#0A0C0F Color
#0A0C0F is rgb(10, 12, 15) in RGB, hsl(216, 20%, 5%) in HSL, and about cmyk(33%, 20%, 0%, 94%) in CMYK. It has no registered color name of its own — the closest is Jet Black (#0A0A0A), below the threshold most people can see at ΔE 1.68. White text is the more readable choice on this background.
#0A0C0Frgb(10, 12, 15)hsl(216, 20%, 5%)hsv(216, 33%, 6%)cmyk(33%, 20%, 0%, 94%)oklch(15.3% 0.007 258.4)lab(3.25% -0.20 -1.58)lch(3.25% 1.60 262.89)What #0A0C0F Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #0A0C0F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every blue in the library.
#0A0C0F Channel Values
How #0A0C0F breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 10 · G 12 · B 15 | 8-bit channels as sent to the display |
| HSL | H 216° · S 20% · L 5% | Easiest model for building lighter and darker variants |
| HSV | H 216° · S 33% · V 6% | Matches the picker in most design tools |
| CMYK | C 33% · M 20% · Y 0% · K 94% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 19.58:1 vs white · 1.07:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0A0C0F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.
Need a specific ratio against another background? Open #0A0C0F in the contrast checker.
Colors That Go With #0A0C0F
Pairings derived from color-wheel relationships. The complementary color sits opposite #0A0C0F; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #0A0C0F
Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #0A0C0F.
How #0A0C0F Looks with Color Vision Deficiency
Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.
#0A0C0F#0C0C0F#0B0C0F#0B0B0F#0B0C0F#0A0C0C#0A0C0D#0C0C0CUsing #0A0C0F in Code
Copy-ready declarations for the places this color usually ends up.
--color-0a0c0f: #0A0C0F;background-color: #0A0C0F;colors: { 'color-0a0c0f': '#0A0C0F' }Color(red: 0.039, green: 0.047, blue: 0.059)<color name="color_0a0c0f">#0A0C0F</color>fill="#0A0C0F"More Blue Colors
#0A0C0F sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#0A0C0F Frequently Asked Questions
What color is #0A0C0F?
#0A0C0F is a darkest blue — rgb(10, 12, 15) in RGB and hsl(216, 20%, 5%) in HSL. It carries no registered color name of its own; the closest named color is Jet Black (#0A0A0A), which is below the threshold most people can see at a CIE76 distance of 1.68.
What is the RGB value of #0A0C0F?
#0A0C0F is rgb(10, 12, 15) — red 10, green 12, and blue 15 on the 0-255 scale.
What is the CMYK value of #0A0C0F?
#0A0C0F converts to approximately cmyk(33%, 20%, 0%, 94%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0A0C0F be black or white?
White text is the more readable choice. #0A0C0F scores 19.58:1 against white and 1.07:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0A0C0F as a CSS color keyword?
No. #0A0C0F is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is black (#000000) at a CIE76 distance of 3.62, which is very hard to tell apart.
Open #0A0C0F in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.