#042153 Color
#042153 is rgb(4, 33, 83) in RGB, hsl(218, 91%, 17%) in HSL, and about cmyk(95%, 60%, 0%, 67%) in CMYK. It has no registered color name of its own — the closest is Oxford Blue (#002147), clearly related but distinguishable side by side at ΔE 8.57. White text is the more readable choice on this background.
#042153rgb(4, 33, 83)hsl(218, 91%, 17%)hsv(218, 95%, 33%)cmyk(95%, 60%, 0%, 67%)oklch(26.3% 0.098 260.3)lab(13.48% 7.41 -34.14)lch(13.48% 34.93 282.24)What #042153 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 #042153, 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.
#042153 Channel Values
How #042153 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 33 · B 83 | 8-bit channels as sent to the display |
| HSL | H 218° · S 91% · L 17% | Easiest model for building lighter and darker variants |
| HSV | H 218° · S 95% · V 33% | Matches the picker in most design tools |
| CMYK | C 95% · M 60% · Y 0% · K 67% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 15.58:1 vs white · 1.35:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #042153 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 #042153 in the contrast checker.
Colors That Go With #042153
Pairings derived from color-wheel relationships. The complementary color sits opposite #042153; 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 #042153
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 #042153.
How #042153 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.
#042153#1E1E53#161F53#1A1A53#141D53#002B2B#00273F#242424Using #042153 in Code
Copy-ready declarations for the places this color usually ends up.
--color-042153: #042153;background-color: #042153;colors: { 'color-042153': '#042153' }Color(red: 0.016, green: 0.129, blue: 0.325)<color name="color_042153">#042153</color>fill="#042153"More Blue Colors
#042153 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#042153 Frequently Asked Questions
What color is #042153?
#042153 is a darkest blue — rgb(4, 33, 83) in RGB and hsl(218, 91%, 17%) in HSL. It carries no registered color name of its own; the closest named color is Oxford Blue (#002147), which is clearly related but distinguishable side by side at a CIE76 distance of 8.57.
What is the RGB value of #042153?
#042153 is rgb(4, 33, 83) — red 4, green 33, and blue 83 on the 0-255 scale.
What is the CMYK value of #042153?
#042153 converts to approximately cmyk(95%, 60%, 0%, 67%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #042153 be black or white?
White text is the more readable choice. #042153 scores 15.58:1 against white and 1.35:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #042153 as a CSS color keyword?
No. #042153 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 darkslateblue (#483D8B) at a CIE76 distance of 23.51, which is visibly different.
Open #042153 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.