#131188 Color
#131188 is rgb(19, 17, 136) in RGB, hsl(241, 78%, 30%) in HSL, and about cmyk(86%, 88%, 0%, 47%) in CMYK. It has no registered color name of its own — the closest is Phthalo Blue (#000F89), very hard to tell apart at ΔE 2.48. White text is the more readable choice on this background.
#131188rgb(19, 17, 136)hsl(241, 78%, 30%)hsv(241, 88%, 53%)cmyk(86%, 88%, 0%, 47%)oklch(30.4% 0.182 269)lab(15.69% 36.80 -64.96)lch(15.69% 74.66 299.53)What #131188 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 #131188, 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.
#131188 Channel Values
How #131188 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 19 · G 17 · B 136 | 8-bit channels as sent to the display |
| HSL | H 241° · S 78% · L 30% | Easiest model for building lighter and darker variants |
| HSV | H 241° · S 88% · V 53% | Matches the picker in most design tools |
| CMYK | C 86% · M 88% · Y 0% · K 47% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 14.35:1 vs white · 1.46:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #131188 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 #131188 in the contrast checker.
Colors That Go With #131188
Pairings derived from color-wheel relationships. The complementary color sits opposite #131188; 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 #131188
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 #131188.
How #131188 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.
#131188#111188#121188#121288#121188#003535#002B61#2A2A2AUsing #131188 in Code
Copy-ready declarations for the places this color usually ends up.
--color-131188: #131188;background-color: #131188;colors: { 'color-131188': '#131188' }Color(red: 0.075, green: 0.067, blue: 0.533)<color name="color_131188">#131188</color>fill="#131188"More Blue Colors
#131188 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#131188 Frequently Asked Questions
What color is #131188?
#131188 is a dark blue — rgb(19, 17, 136) in RGB and hsl(241, 78%, 30%) in HSL. It carries no registered color name of its own; the closest named color is Phthalo Blue (#000F89), which is very hard to tell apart at a CIE76 distance of 2.48.
What is the RGB value of #131188?
#131188 is rgb(19, 17, 136) — red 19, green 17, and blue 136 on the 0-255 scale.
What is the CMYK value of #131188?
#131188 converts to approximately cmyk(86%, 88%, 0%, 47%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #131188 be black or white?
White text is the more readable choice. #131188 scores 14.35:1 against white and 1.46:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #131188 as a CSS color keyword?
No. #131188 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 navy (#000080) at a CIE76 distance of 6.43, which is clearly related but distinguishable side by side.
Open #131188 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.