#05051A Color
#05051A is rgb(5, 5, 26) in RGB, hsl(240, 68%, 6%) in HSL, and about cmyk(81%, 81%, 0%, 90%) in CMYK. It has no registered color name of its own — the closest is Rich Black (#010B13), clearly related but distinguishable side by side at ΔE 7.7. White text is the more readable choice on this background.
#05051Argb(5, 5, 26)hsl(240, 68%, 6%)hsv(240, 81%, 10%)cmyk(81%, 81%, 0%, 90%)oklch(13.3% 0.047 278)lab(1.85% 3.01 -11.04)lch(1.85% 11.44 285.25)What #05051A 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 #05051A, 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.
#05051A Channel Values
How #05051A 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 5 · G 5 · B 26 | 8-bit channels as sent to the display |
| HSL | H 240° · S 68% · L 6% | Easiest model for building lighter and darker variants |
| HSV | H 240° · S 81% · V 10% | Matches the picker in most design tools |
| CMYK | C 81% · M 81% · Y 0% · K 90% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 20.13:1 vs white · 1.04:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #05051A 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 #05051A in the contrast checker.
Colors That Go With #05051A
Pairings derived from color-wheel relationships. The complementary color sits opposite #05051A; 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 #05051A
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 #05051A.
How #05051A 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.
#05051A#05051A#05051A#05051A#05051A#010909#030711#070707Using #05051A in Code
Copy-ready declarations for the places this color usually ends up.
--color-05051a: #05051A;background-color: #05051A;colors: { 'color-05051a': '#05051A' }Color(red: 0.020, green: 0.020, blue: 0.102)<color name="color_05051a">#05051A</color>fill="#05051A"More Blue Colors
#05051A sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#05051A Frequently Asked Questions
What color is #05051A?
#05051A is a darkest blue — rgb(5, 5, 26) in RGB and hsl(240, 68%, 6%) in HSL. It carries no registered color name of its own; the closest named color is Rich Black (#010B13), which is clearly related but distinguishable side by side at a CIE76 distance of 7.7.
What is the RGB value of #05051A?
#05051A is rgb(5, 5, 26) — red 5, green 5, and blue 26 on the 0-255 scale.
What is the CMYK value of #05051A?
#05051A converts to approximately cmyk(81%, 81%, 0%, 90%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #05051A be black or white?
White text is the more readable choice. #05051A scores 20.13:1 against white and 1.04:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #05051A as a CSS color keyword?
No. #05051A 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 11.59, which is visibly different.
Open #05051A in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.