Darkest Cobalt is a very dark, vivid shade in the blue color family, with a cool feel. Its HEX code is #000A33, which equals rgb(0, 10, 51) in RGB and hsl(228, 100%, 10%) in HSL. In print terms it converts to roughly C100 M80 Y0 K80, although exact CMYK results depend on the paper and color profile.
- HEX
#000A33 - RGB
0, 10, 51 - HSL
228°, 100%, 10% - CMYK
100, 80, 0, 80 - Family
Blue - Tone
Very dark, vivid
About Darkest Cobalt
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. It works well for buttons, headings, illustrations and brand accents. Text in white is the most readable choice on this color, with a contrast ratio of 19.24:1. Its complementary color is #332900.
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Darkest Cobalt color codes
| HEX | #000A33 |
|---|---|
| RGB | rgb(0, 10, 51) |
| HSL | hsl(228, 100%, 10%) |
| HSV | 228°, 100%, 20% |
| CMYK | 100%, 80%, 0%, 80% |
| Decimal | 2611 |
Shades and tints of Darkest Cobalt
Lighter tints are mixed with white and darker shades are mixed with black.
- 50
#D5D6DD - 100
#AAADBB - 200
#808599 - 300
#555C77 - 400
#2B3355 - 500
#000A33 - 600
#00082B - 700
#000722 - 800
#00051A - 900
#000311 - 950
#000209
Color harmonies for Darkest Cobalt
- Complementary
#332900≈ Darkest Amber - Analogous −30°
#002433≈ Darkest Peacock - Analogous +30°
#0F0033≈ Darkest Indigo - Triadic +120°
#33000A≈ Darkest Ruby - Triadic +240°
#0A3300≈ Darkest Shamrock - Split 150°
#330F00≈ Darkest Vermilion - Split 210°
#243300≈ Darkest Spring Bud
Contrast and accessibility of Darkest Cobalt
| Text color | Sample | Contrast ratio | WCAG |
|---|---|---|---|
| White text on Darkest Cobalt | Aa | 19.24:1 | AAA (excellent) |
| Black text on Darkest Cobalt | Aa | 1.09:1 | Fails |
CSS code for Darkest Cobalt
background-color: #000A33;color: #000A33;background-color: rgb(0, 10, 51);background-color: hsl(228, 100%, 10%);:root { --color-darkest-cobalt: #000A33; }class="bg-[#000A33]"Colors similar to Darkest Cobalt
- Darkest Sapphire
#000F33 - Darkest Royal
#000533 - Darkest Bright Royal
#05092E - Darkest Bright Cobalt
#050D2E - Darkest Bright Blue
#05052E - Darkest Bright Sapphire
#05112E - Darkest Bright Ultramarine
#09052E - Darkest Cornflower
#001433 - Darkest Blue
#000033 - Darkest Ultramarine
#050033 - Darkest Soft Blue
#0A0A29 - Darkest Bright Indigo
#0D052E
More blue shades
- Dusty Sapphire
#667599 - Medium Light Dusty Sapphire
#7E8BA9 - Light Dusty Sapphire
#97A1BA - Pale Dusty Sapphire
#AFB7CA - Very Pale Dusty Sapphire
#C8CDDA - Palest Dusty Sapphire
#E0E3EB - Very Dark Cobalt
#00125C - Dark Cobalt
#001B85 - Deep Cobalt
#0023AD - Medium Dark Cobalt
#002BD6 - Pure Cobalt
#0033FF
Frequently asked questions
What is the HEX code for Darkest Cobalt?
The HEX code for Darkest Cobalt is #000A33.
What is the RGB value of Darkest Cobalt?
Darkest Cobalt has an RGB value of 0, 10, 51 (rgb(0, 10, 51)). In HSL it is 228°, 100%, 10%.
What text color should I use on Darkest Cobalt?
Use white text on Darkest Cobalt. White text has a contrast ratio of 19.24:1 and black text has 1.09:1; WCAG AA requires at least 4.5:1 for normal text.
What color goes well with Darkest Cobalt?
The complementary color of Darkest Cobalt is #332900. Analogous colors #002433 and #0F0033 also pair well.