#041858 Color
#041858 is rgb(4, 24, 88) in RGB, hsl(226, 91%, 18%) in HSL, and about cmyk(95%, 73%, 0%, 65%) in CMYK. It has no registered color name of its own — the closest is Sapphire Navy (#082567), clearly related but distinguishable side by side at ΔE 6.35. White text is the more readable choice on this background.
#041858rgb(4, 24, 88)hsl(226, 91%, 18%)hsv(226, 95%, 35%)cmyk(95%, 73%, 0%, 65%)oklch(24.8% 0.118 264.4)lab(11.09% 15.90 -41.42)lch(11.09% 44.37 291.00)What #041858 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 #041858, 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.
#041858 Channel Values
How #041858 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 24 · B 88 | 8-bit channels as sent to the display |
| HSL | H 226° · S 91% · L 18% | Easiest model for building lighter and darker variants |
| HSV | H 226° · S 95% · V 35% | Matches the picker in most design tools |
| CMYK | C 95% · M 73% · Y 0% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 16.45:1 vs white · 1.28:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #041858 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 #041858 in the contrast checker.
Colors That Go With #041858
Pairings derived from color-wheel relationships. The complementary color sits opposite #041858; 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 #041858
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 #041858.
How #041858 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.
#041858#161658#101758#131358#0E1558#002727#002240#1F1F1FUsing #041858 in Code
Copy-ready declarations for the places this color usually ends up.
--color-041858: #041858;background-color: #041858;colors: { 'color-041858': '#041858' }Color(red: 0.016, green: 0.094, blue: 0.345)<color name="color_041858">#041858</color>fill="#041858"More Blue Colors
#041858 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#041858 Frequently Asked Questions
What color is #041858?
#041858 is a darkest blue — rgb(4, 24, 88) in RGB and hsl(226, 91%, 18%) in HSL. It carries no registered color name of its own; the closest named color is Sapphire Navy (#082567), which is clearly related but distinguishable side by side at a CIE76 distance of 6.35.
What is the RGB value of #041858?
#041858 is rgb(4, 24, 88) — red 4, green 24, and blue 88 on the 0-255 scale.
What is the CMYK value of #041858?
#041858 converts to approximately cmyk(95%, 73%, 0%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #041858 be black or white?
White text is the more readable choice. #041858 scores 16.45:1 against white and 1.28:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #041858 as a CSS color keyword?
No. #041858 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 midnightblue (#191970) at a CIE76 distance of 14.34, which is visibly different.
Open #041858 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.