#013255 Color
#013255 is rgb(1, 50, 85) in RGB, hsl(205, 98%, 17%) in HSL, and about cmyk(99%, 41%, 0%, 67%) in CMYK. It has no registered color name of its own — the closest is Prussian Blue (#003153), indistinguishable to the eye at ΔE 0.78. White text is the more readable choice on this background.
#013255rgb(1, 50, 85)hsl(205, 98%, 17%)hsv(205, 99%, 33%)cmyk(99%, 41%, 0%, 67%)oklch(30.8% 0.079 246.6)lab(19.41% -3.82 -25.97)lch(19.41% 26.25 261.63)What #013255 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 #013255, 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.
#013255 Channel Values
How #013255 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 1 · G 50 · B 85 | 8-bit channels as sent to the display |
| HSL | H 205° · S 98% · L 17% | Easiest model for building lighter and darker variants |
| HSV | H 205° · S 99% · V 33% | Matches the picker in most design tools |
| CMYK | C 99% · M 41% · Y 0% · K 67% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 13.22:1 vs white · 1.59:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #013255 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 #013255 in the contrast checker.
Colors That Go With #013255
Pairings derived from color-wheel relationships. The complementary color sits opposite #013255; 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 #013255
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 #013255.
How #013255 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.
#013255#2D2D55#222F55#282855#1E2C55#003838#003645#303030Using #013255 in Code
Copy-ready declarations for the places this color usually ends up.
--color-013255: #013255;background-color: #013255;colors: { 'color-013255': '#013255' }Color(red: 0.004, green: 0.196, blue: 0.333)<color name="color_013255">#013255</color>fill="#013255"More Blue Colors
#013255 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#013255 Frequently Asked Questions
What color is #013255?
#013255 is a darkest blue — rgb(1, 50, 85) in RGB and hsl(205, 98%, 17%) in HSL. It carries no registered color name of its own; the closest named color is Prussian Blue (#003153), which is indistinguishable to the eye at a CIE76 distance of 0.78.
What is the RGB value of #013255?
#013255 is rgb(1, 50, 85) — red 1, green 50, and blue 85 on the 0-255 scale.
What is the CMYK value of #013255?
#013255 converts to approximately cmyk(99%, 41%, 0%, 67%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #013255 be black or white?
White text is the more readable choice. #013255 scores 13.22:1 against white and 1.59:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #013255 as a CSS color keyword?
No. #013255 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 darkslategray (#2F4F4F) at a CIE76 distance of 26.35, which is a different colour altogether.
Open #013255 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.