#333880 Color
#333880 is rgb(51, 56, 128) in RGB, hsl(236, 43%, 35%) in HSL, and about cmyk(60%, 56%, 0%, 50%) in CMYK. It has no registered color name of its own — the closest is Dark Slate Blue (#483D8B), clearly related but distinguishable side by side at ΔE 6.67. White text is the more readable choice on this background.
#333880rgb(51, 56, 128)hsl(236, 43%, 35%)hsv(236, 60%, 50%)cmyk(60%, 56%, 0%, 50%)oklch(37.9% 0.12 276.1)lab(26.39% 16.02 -42.30)lch(26.39% 45.23 290.74)What #333880 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 #333880, 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.
#333880 Channel Values
How #333880 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 51 · G 56 · B 128 | 8-bit channels as sent to the display |
| HSL | H 236° · S 43% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 236° · S 60% · V 50% | Matches the picker in most design tools |
| CMYK | C 60% · M 56% · Y 0% · K 50% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.41:1 vs white · 2.02:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #333880 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 #333880 in the contrast checker.
Colors That Go With #333880
Pairings derived from color-wheel relationships. The complementary color sits opposite #333880; 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 #333880
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 #333880.
How #333880 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.
#333880#373780#363880#363680#353780#1B4646#264162#404040Using #333880 in Code
Copy-ready declarations for the places this color usually ends up.
--color-333880: #333880;background-color: #333880;colors: { 'color-333880': '#333880' }Color(red: 0.200, green: 0.220, blue: 0.502)<color name="color_333880">#333880</color>fill="#333880"More Blue Colors
#333880 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.
#333880 Frequently Asked Questions
What color is #333880?
#333880 is a dark blue — rgb(51, 56, 128) in RGB and hsl(236, 43%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Dark Slate Blue (#483D8B), which is clearly related but distinguishable side by side at a CIE76 distance of 6.67.
What is the RGB value of #333880?
#333880 is rgb(51, 56, 128) — red 51, green 56, and blue 128 on the 0-255 scale.
What is the CMYK value of #333880?
#333880 converts to approximately cmyk(60%, 56%, 0%, 50%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #333880 be black or white?
White text is the more readable choice. #333880 scores 10.41:1 against white and 2.02:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #333880 as a CSS color keyword?
No. #333880 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 darkslateblue (#483D8B) at a CIE76 distance of 6.67, which is clearly related but distinguishable side by side.
Open #333880 in a Tool
Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.