#041BB4 Color
#041BB4 is rgb(4, 27, 180) in RGB, hsl(232, 96%, 36%) in HSL, and about cmyk(98%, 85%, 0%, 29%) in CMYK. It has no registered color name of its own — the closest is Zaffer (Zaffre) (#0014A8), very hard to tell apart at ΔE 3.84. White text is the more readable choice on this background.
#041BB4rgb(4, 27, 180)hsl(232, 96%, 36%)hsv(232, 98%, 71%)cmyk(98%, 85%, 0%, 29%)oklch(36.8% 0.228 264.7)lab(22.23% 43.85 -80.99)lch(22.23% 92.10 298.43)What #041BB4 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 #041BB4, 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.
#041BB4 Channel Values
How #041BB4 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 27 · B 180 | 8-bit channels as sent to the display |
| HSL | H 232° · S 96% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 232° · S 98% · V 71% | Matches the picker in most design tools |
| CMYK | C 98% · M 85% · Y 0% · K 29% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.53:1 vs white · 1.82:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #041BB4 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 #041BB4 in the contrast checker.
Colors That Go With #041BB4
Pairings derived from color-wheel relationships. The complementary color sits opposite #041BB4; 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 #041BB4
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 #041BB4.
How #041BB4 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.
#041BB4#1818B4#1219B4#1515B4#1018B4#004949#003C82#393939Using #041BB4 in Code
Copy-ready declarations for the places this color usually ends up.
--color-041bb4: #041BB4;background-color: #041BB4;colors: { 'color-041bb4': '#041BB4' }Color(red: 0.016, green: 0.106, blue: 0.706)<color name="color_041bb4">#041BB4</color>fill="#041BB4"More Blue Colors
#041BB4 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#041BB4 Frequently Asked Questions
What color is #041BB4?
#041BB4 is a dark blue — rgb(4, 27, 180) in RGB and hsl(232, 96%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Zaffer (Zaffre) (#0014A8), which is very hard to tell apart at a CIE76 distance of 3.84.
What is the RGB value of #041BB4?
#041BB4 is rgb(4, 27, 180) — red 4, green 27, and blue 180 on the 0-255 scale.
What is the CMYK value of #041BB4?
#041BB4 converts to approximately cmyk(98%, 85%, 0%, 29%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #041BB4 be black or white?
White text is the more readable choice. #041BB4 scores 11.53:1 against white and 1.82:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #041BB4 as a CSS color keyword?
No. #041BB4 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 darkblue (#00008B) at a CIE76 distance of 13.35, which is visibly different.
Open #041BB4 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.