#203DB1 Color
#203DB1 is rgb(32, 61, 177) in RGB, hsl(228, 69%, 41%) in HSL, and about cmyk(82%, 66%, 0%, 31%) in CMYK. It has no registered color name of its own — the closest is Denim Blue (#2243B6), very hard to tell apart at ΔE 2.85. White text is the more readable choice on this background.
#203DB1rgb(32, 61, 177)hsl(228, 69%, 41%)hsv(228, 82%, 69%)cmyk(82%, 66%, 0%, 31%)oklch(42.1% 0.187 266.7)lab(30.23% 25.12 -65.94)lch(30.23% 70.56 290.85)What #203DB1 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 #203DB1, 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.
#203DB1 Channel Values
How #203DB1 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 32 · G 61 · B 177 | 8-bit channels as sent to the display |
| HSL | H 228° · S 69% · L 41% | Easiest model for building lighter and darker variants |
| HSV | H 228° · S 82% · V 69% | Matches the picker in most design tools |
| CMYK | C 82% · M 66% · Y 0% · K 31% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.88:1 vs white · 2.36:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #203DB1 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 #203DB1 in the contrast checker.
Colors That Go With #203DB1
Pairings derived from color-wheel relationships. The complementary color sits opposite #203DB1; 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 #203DB1
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 #203DB1.
How #203DB1 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.
#203DB1#3939B1#313BB1#3535B1#2E39B1#005757#004E85#4A4A4AUsing #203DB1 in Code
Copy-ready declarations for the places this color usually ends up.
--color-203db1: #203DB1;background-color: #203DB1;colors: { 'color-203db1': '#203DB1' }Color(red: 0.125, green: 0.239, blue: 0.694)<color name="color_203db1">#203DB1</color>fill="#203DB1"More Blue Colors
#203DB1 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#203DB1 Frequently Asked Questions
What color is #203DB1?
#203DB1 is a mid-tone blue — rgb(32, 61, 177) in RGB and hsl(228, 69%, 41%) in HSL. It carries no registered color name of its own; the closest named color is Denim Blue (#2243B6), which is very hard to tell apart at a CIE76 distance of 2.85.
What is the RGB value of #203DB1?
#203DB1 is rgb(32, 61, 177) — red 32, green 61, and blue 177 on the 0-255 scale.
What is the CMYK value of #203DB1?
#203DB1 converts to approximately cmyk(82%, 66%, 0%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #203DB1 be black or white?
White text is the more readable choice. #203DB1 scores 8.88:1 against white and 2.36:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #203DB1 as a CSS color keyword?
No. #203DB1 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 slateblue (#6A5ACD) at a CIE76 distance of 16.68, which is visibly different.
Open #203DB1 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.