#331C51#331C51

#331C51 is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.7% C 0.094 H 300.6°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#331C51
RGB	rgb(51, 28, 81)
HSL	hsl(266, 49%, 21%)
HSV	hsv(266, 65%, 32%)
CMYK	cmyk(37%, 65.4%, 0%, 68.2%)
CIE-LAB	lab(16.15, 23.98, -28.42)
CIE-LCH	lch(16.15, 37.18, 310.16°)
OKLab	oklab(28.74% 0.0477 -0.0806)
OKLCH	oklch(28.74% 0.094 300.6)
XYZ	xyz(3.2653, 2.1284, 8.0218)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C51 #3A511C

analogous

#1C2051 #331C51 #4E1C51

triadic

#331C51 #51331C #1C5133

tetradic

#331C51 #511C20 #3A511C #1C514E

square

#331C51 #511C20 #3A511C #1C514E

split-complementary

#331C51 #514E1C #20511C

monochromatic

#0E0817 #160C24 #331C51 #502C7E #6C3BAC

Accessibility & contrast

On white

14.73

#331C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#331C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C51

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C51	#FFFFFF	#000000	##FFFFFF
##331C51	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012853

Deuteranopia (green-blind)

#0B2850

Tritanopia (blue-blind)

#2D2733

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #331c51;
/* rgb */ color: rgb(51, 28, 81);
/* oklch */ color: oklch(28.7% 0.094 300.6);

Tailwind

colors: {
  custom: {
    50: '#6d5982',
    500: '#331c51',
    950: '#000000',
  },
}

SCSS

$custom: #331c51;
$custom-light: #6d5982;
$custom-dark: #000000;

JSON

{
  "hex": "#331c51",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 81
  },
  "hsl": {
    "h": 266.038,
    "s": 48.624,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28736,
    "c": 0.09364,
    "h": 300.6
  },
  "luminance": 0.02128
}

Semantic roles & 50–950 ramp

primary

#331C51

secondary

#698742

accent

#D8509D

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030A

muted

#7A787C

Preview Lab

Preview with #331C51

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →