#050510 Color
#050510 is rgb(5, 5, 16) in RGB, hsl(240, 52%, 4%) in HSL, and about cmyk(69%, 69%, 0%, 94%) in CMYK. It has no registered color name of its own — the closest is Rich Black (#010B13), very hard to tell apart at ΔE 3.08. White text is the more readable choice on this background.
#050510rgb(5, 5, 16)hsl(240, 52%, 4%)hsv(240, 69%, 6%)cmyk(69%, 69%, 0%, 94%)oklch(12.3% 0.027 281.7)lab(1.57% 1.25 -4.59)lch(1.57% 4.76 285.25)What #050510 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 #050510, 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.
#050510 Channel Values
How #050510 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 16 | 8-bit channels as sent to the display |
| HSL | H 240° · S 52% · L 4% | Easiest model for building lighter and darker variants |
| HSV | H 240° · S 69% · V 6% | Matches the picker in most design tools |
| CMYK | C 69% · M 69% · Y 0% · K 94% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 20.28:1 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 #050510 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 #050510 in the contrast checker.
Colors That Go With #050510
Pairings derived from color-wheel relationships. The complementary color sits opposite #050510; 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 #050510
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 #050510.
How #050510 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.
#050510#050510#050510#050510#050510#030707#04060B#060606Using #050510 in Code
Copy-ready declarations for the places this color usually ends up.
--color-050510: #050510;background-color: #050510;colors: { 'color-050510': '#050510' }Color(red: 0.020, green: 0.020, blue: 0.063)<color name="color_050510">#050510</color>fill="#050510"More Blue Colors
#050510 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#050510 Frequently Asked Questions
What color is #050510?
#050510 is a darkest blue — rgb(5, 5, 16) in RGB and hsl(240, 52%, 4%) in HSL. It carries no registered color name of its own; the closest named color is Rich Black (#010B13), which is very hard to tell apart at a CIE76 distance of 3.08.
What is the RGB value of #050510?
#050510 is rgb(5, 5, 16) — red 5, green 5, and blue 16 on the 0-255 scale.
What is the CMYK value of #050510?
#050510 converts to approximately cmyk(69%, 69%, 0%, 94%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #050510 be black or white?
White text is the more readable choice. #050510 scores 20.28:1 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 #050510 as a CSS color keyword?
No. #050510 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 5.01, which is clearly related but distinguishable side by side.
Open #050510 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.