#310188 Color
#310188 is rgb(49, 1, 136) in RGB, hsl(261, 99%, 27%) in HSL, and about cmyk(64%, 99%, 0%, 47%) in CMYK. It has no registered color name of its own — the closest is Navy (#000080), clearly related but distinguishable side by side at ΔE 7.4. White text is the more readable choice on this background.
#310188rgb(49, 1, 136)hsl(261, 99%, 27%)hsv(261, 99%, 53%)cmyk(64%, 99%, 0%, 47%)oklch(31.5% 0.184 284.3)lab(16.49% 44.81 -63.54)lch(16.49% 77.75 305.19)What #310188 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 #310188, 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 purple in the library.
#310188 Channel Values
How #310188 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 49 · G 1 · B 136 | 8-bit channels as sent to the display |
| HSL | H 261° · S 99% · L 27% | Easiest model for building lighter and darker variants |
| HSV | H 261° · S 99% · V 53% | Matches the picker in most design tools |
| CMYK | C 64% · M 99% · Y 0% · K 47% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 14.09:1 vs white · 1.49:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #310188 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 #310188 in the contrast checker.
Colors That Go With #310188
Pairings derived from color-wheel relationships. The complementary color sits opposite #310188; 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 #310188
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 #310188.
How #310188 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.
#310188#111188#210B88#1A1A88#251388#003232#1C2560#2B2B2BUsing #310188 in Code
Copy-ready declarations for the places this color usually ends up.
--color-310188: #310188;background-color: #310188;colors: { 'color-310188': '#310188' }Color(red: 0.192, green: 0.004, blue: 0.533)<color name="color_310188">#310188</color>fill="#310188"More Purple Colors
#310188 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#310188 Frequently Asked Questions
What color is #310188?
#310188 is a dark purple — rgb(49, 1, 136) in RGB and hsl(261, 99%, 27%) in HSL. It carries no registered color name of its own; the closest named color is Navy (#000080), which is clearly related but distinguishable side by side at a CIE76 distance of 7.4.
What is the RGB value of #310188?
#310188 is rgb(49, 1, 136) — red 49, green 1, and blue 136 on the 0-255 scale.
What is the CMYK value of #310188?
#310188 converts to approximately cmyk(64%, 99%, 0%, 47%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #310188 be black or white?
White text is the more readable choice. #310188 scores 14.09:1 against white and 1.49:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #310188 as a CSS color keyword?
No. #310188 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 7.4, which is clearly related but distinguishable side by side.
Open #310188 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.