Darkest Blue is a very dark, vivid shade in the blue color family, with a cool feel. Its HEX code is #000033, which equals rgb(0, 0, 51) in RGB and hsl(240, 100%, 10%) in HSL. In print terms it converts to roughly C100 M100 Y0 K80, although exact CMYK results depend on the paper and color profile.
- HEX
#000033 - RGB
0, 0, 51 - HSL
240°, 100%, 10% - CMYK
100, 100, 0, 80 - Family
Blue - Tone
Very dark, vivid
About Darkest Blue
Blue shades feel trustworthy, calm and professional. This family includes cyans, teals, skies and navies, and it is the most common choice for technology, finance and healthcare brands. Try it as a primary brand color, a section background, or a highlight against neutral layouts. Text in white is the most readable choice on this color, with a contrast ratio of 20.04:1. Its complementary color is #333300.
Download Darkest Blue as an image
Choose a size and format, then download a solid-color image — or tick colors in the library to batch-download a ZIP.
Loading colors…
Loading gradients…
Darkest Blue color codes
| HEX | #000033 |
|---|---|
| RGB | rgb(0, 0, 51) |
| HSL | hsl(240, 100%, 10%) |
| HSV | 240°, 100%, 20% |
| CMYK | 100%, 100%, 0%, 80% |
| Decimal | 51 |
Shades and tints of Darkest Blue
Lighter tints are mixed with white and darker shades are mixed with black.
- 50
#D5D5DD - 100
#AAAABB - 200
#808099 - 300
#555577 - 400
#2B2B55 - 500
#000033 - 600
#00002B - 700
#000022 - 800
#00001A - 900
#000011 - 950
#000009
Color harmonies for Darkest Blue
- Complementary
#333300≈ Darkest Citron - Analogous −30°
#001A33≈ Darkest Cerulean - Analogous +30°
#1A0033≈ Darkest Violet - Triadic +120°
#330000≈ Darkest Cardinal - Triadic +240°
#003300≈ Darkest Shamrock - Split 150°
#331A00≈ Darkest Tangerine - Split 210°
#1A3300≈ Darkest Spring Bud
Contrast and accessibility of Darkest Blue
| Text color | Sample | Contrast ratio | WCAG |
|---|---|---|---|
| White text on Darkest Blue | Aa | 20.04:1 | AAA (excellent) |
| Black text on Darkest Blue | Aa | 1.05:1 | Fails |
CSS code for Darkest Blue
background-color: #000033;color: #000033;background-color: rgb(0, 0, 51);background-color: hsl(240, 100%, 10%);:root { --color-darkest-blue: #000033; }class="bg-[#000033]"Colors similar to Darkest Blue
- Darkest Ultramarine
#050033 - Darkest Royal
#000533 - Darkest Indigo
#0A0033 - Darkest Bright Blue
#05052E - Darkest Bright Ultramarine
#09052E - Darkest Cobalt
#000A33 - Darkest Bright Royal
#05092E - Darkest Iris
#0F0033 - Darkest Bright Indigo
#0D052E - Darkest Bright Iris
#11052E - Darkest Bright Cobalt
#050D2E - Darkest Periwinkle
#140033
More blue shades
- Dusty Royal
#666B99 - Medium Light Dusty Royal
#7E83A9 - Light Dusty Royal
#979ABA - Pale Dusty Royal
#AFB2CA - Very Pale Dusty Royal
#C8CADA - Palest Dusty Royal
#E0E1EB - Very Dark Blue
#00005C - Dark Blue Tone
#000085 - Deep Blue
#0000AD - Medium Dark Blue
#0000D6 - Medium Light Blue
#2929FF
Frequently asked questions
What is the HEX code for Darkest Blue?
The HEX code for Darkest Blue is #000033.
What is the RGB value of Darkest Blue?
Darkest Blue has an RGB value of 0, 0, 51 (rgb(0, 0, 51)). In HSL it is 240°, 100%, 10%.
What text color should I use on Darkest Blue?
Use white text on Darkest Blue. White text has a contrast ratio of 20.04:1 and black text has 1.05:1; WCAG AA requires at least 4.5:1 for normal text.
What color goes well with Darkest Blue?
The complementary color of Darkest Blue is #333300. Analogous colors #001A33 and #1A0033 also pair well.