#0331A5 Color
#0331A5 is rgb(3, 49, 165) in RGB, hsl(223, 96%, 33%) in HSL, and about cmyk(98%, 70%, 0%, 35%) in CMYK. It has no registered color name of its own — the closest is Egyptian Blue (#1034A6), below the threshold most people can see at ΔE 1.95. White text is the more readable choice on this background.
#0331A5rgb(3, 49, 165)hsl(223, 96%, 33%)hsv(223, 98%, 65%)cmyk(98%, 70%, 0%, 35%)oklch(38% 0.19 263.3)lab(25.27% 26.71 -66.95)lch(25.27% 72.08 291.75)What #0331A5 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 #0331A5, 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.
#0331A5 Channel Values
How #0331A5 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 3 · G 49 · B 165 | 8-bit channels as sent to the display |
| HSL | H 223° · S 96% · L 33% | Easiest model for building lighter and darker variants |
| HSV | H 223° · S 98% · V 65% | Matches the picker in most design tools |
| CMYK | C 98% · M 70% · Y 0% · K 35% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.57:1 vs white · 1.99:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #0331A5 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 #0331A5 in the contrast checker.
Colors That Go With #0331A5
Pairings derived from color-wheel relationships. The complementary color sits opposite #0331A5; 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 #0331A5
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 #0331A5.
How #0331A5 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.
#0331A5#2C2CA5#222EA5#2828A5#1E2CA5#004D4D#00437A#3F3F3FUsing #0331A5 in Code
Copy-ready declarations for the places this color usually ends up.
--color-0331a5: #0331A5;background-color: #0331A5;colors: { 'color-0331a5': '#0331A5' }Color(red: 0.012, green: 0.192, blue: 0.647)<color name="color_0331a5">#0331A5</color>fill="#0331A5"More Blue Colors
#0331A5 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#0331A5 Frequently Asked Questions
What color is #0331A5?
#0331A5 is a dark blue — rgb(3, 49, 165) in RGB and hsl(223, 96%, 33%) in HSL. It carries no registered color name of its own; the closest named color is Egyptian Blue (#1034A6), which is below the threshold most people can see at a CIE76 distance of 1.95.
What is the RGB value of #0331A5?
#0331A5 is rgb(3, 49, 165) — red 3, green 49, and blue 165 on the 0-255 scale.
What is the CMYK value of #0331A5?
#0331A5 converts to approximately cmyk(98%, 70%, 0%, 35%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #0331A5 be black or white?
White text is the more readable choice. #0331A5 scores 10.57:1 against white and 1.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #0331A5 as a CSS color keyword?
No. #0331A5 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 19.11, which is visibly different.
Open #0331A5 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.