Dark Blue is a dark, vivid shade in the blue color family, with a cool feel. Its HEX code is #00008B, which equals rgb(0, 0, 139) in RGB and hsl(240, 100%, 27%) in HSL. In print terms it converts to roughly C100 M100 Y0 K45, although exact CMYK results depend on the paper and color profile.
- HEX
#00008B - RGB
0, 0, 139 - HSL
240°, 100%, 27% - CMYK
100, 100, 0, 45 - Family
Blue - Tone
Dark, vivid
About Dark 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 15.30:1. Its complementary color is #8A8A00.
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Dark Blue color codes
| HEX | #00008B |
|---|---|
| RGB | rgb(0, 0, 139) |
| HSL | hsl(240, 100%, 27%) |
| HSV | 240°, 100%, 55% |
| CMYK | 100%, 100%, 0%, 45% |
| Decimal | 139 |
Shades and tints of Dark Blue
Lighter tints are mixed with white and darker shades are mixed with black.
- 50
#D5D5EC - 100
#AAAAD8 - 200
#8080C5 - 300
#5555B2 - 400
#2B2B9E - 500
#00008B - 600
#000074 - 700
#00005D - 800
#000046 - 900
#00002E - 950
#000017
Color harmonies for Dark Blue
- Complementary
#8A8A00≈ Dark Yellow - Analogous −30°
#00458A≈ Dark Cerulean - Analogous +30°
#45008A≈ Dark Violet Tone - Triadic +120°
#8A0000≈ Dark Red - Triadic +240°
#008A00≈ Dark Green Tone - Split 150°
#8A4500≈ Dark Orange Tone - Split 210°
#458A00≈ Dark Apple
Contrast and accessibility of Dark Blue
| Text color | Sample | Contrast ratio | WCAG |
|---|---|---|---|
| White text on Dark Blue | Aa | 15.30:1 | AAA (excellent) |
| Black text on Dark Blue | Aa | 1.37:1 | Fails |
CSS code for Dark Blue
background-color: #00008B;color: #00008B;background-color: rgb(0, 0, 139);background-color: hsl(240, 100%, 27%);:root { --color-dark-blue: #00008B; }class="bg-[#00008B]"Colors similar to Dark Blue
- Dark Blue Tone
#000085 - Navy
#000080 - Dark Ultramarine
#0D0085 - Dark Royal
#000D85 - Dark Indigo
#1B0085 - Dark Bright Blue
#0D0D77 - Deep Bright Blue
#11119C - Dark Cobalt
#001B85 - Dark Bright Ultramarine
#180D77 - Dark Iris
#280085 - Deep Blue
#0000AD - Dark Bright Royal
#0D1877
More blue shades
- Royal Blue
#4169E1 - Blue
#0000FF - Navy
#000080 - Midnight Blue
#191970 - Cadet Blue
#5F9EA0 - Cornflower Blue
#6495ED - Dark Cyan
#008B8B - Dark Slate Blue
#483D8B - Dark Slate Gray
#2F4F4F - Dark Turquoise
#00CED1 - Light Blue
#ADD8E6
Frequently asked questions
What is the HEX code for Dark Blue?
The HEX code for Dark Blue is #00008B.
What is the RGB value of Dark Blue?
Dark Blue has an RGB value of 0, 0, 139 (rgb(0, 0, 139)). In HSL it is 240°, 100%, 27%.
What text color should I use on Dark Blue?
Use white text on Dark Blue. White text has a contrast ratio of 15.30:1 and black text has 1.37:1; WCAG AA requires at least 4.5:1 for normal text.
What color goes well with Dark Blue?
The complementary color of Dark Blue is #8A8A00. Analogous colors #00458A and #45008A also pair well.