#040213 Color
#040213 is rgb(4, 2, 19) in RGB, hsl(247, 81%, 4%) in HSL, and about cmyk(79%, 89%, 0%, 93%) 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 5.03. White text is the more readable choice on this background.
#040213rgb(4, 2, 19)hsl(247, 81%, 4%)hsv(247, 89%, 7%)cmyk(79%, 89%, 0%, 93%)oklch(11% 0.044 285.6)lab(0.99% 2.56 -7.21)lch(0.99% 7.65 289.56)What #040213 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 #040213, 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.
#040213 Channel Values
How #040213 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 4 · G 2 · B 19 | 8-bit channels as sent to the display |
| HSL | H 247° · S 81% · L 4% | Easiest model for building lighter and darker variants |
| HSV | H 247° · S 89% · V 7% | Matches the picker in most design tools |
| CMYK | C 79% · M 89% · Y 0% · K 93% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 20.52:1 vs white · 1.02:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #040213 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 #040213 in the contrast checker.
Colors That Go With #040213
Pairings derived from color-wheel relationships. The complementary color sits opposite #040213; 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 #040213
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 #040213.
How #040213 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.
#040213#020213#030213#030313#030213#020404#03030B#040404Using #040213 in Code
Copy-ready declarations for the places this color usually ends up.
--color-040213: #040213;background-color: #040213;colors: { 'color-040213': '#040213' }Color(red: 0.016, green: 0.008, blue: 0.075)<color name="color_040213">#040213</color>fill="#040213"More Blue Colors
#040213 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#040213 Frequently Asked Questions
What color is #040213?
#040213 is a darkest blue — rgb(4, 2, 19) in RGB and hsl(247, 81%, 4%) 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 5.03.
What is the RGB value of #040213?
#040213 is rgb(4, 2, 19) — red 4, green 2, and blue 19 on the 0-255 scale.
What is the CMYK value of #040213?
#040213 converts to approximately cmyk(79%, 89%, 0%, 93%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #040213 be black or white?
White text is the more readable choice. #040213 scores 20.52:1 against white and 1.02:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #040213 as a CSS color keyword?
No. #040213 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 7.71, which is clearly related but distinguishable side by side.
Open #040213 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.