#331644#331644

#331644 is a dark, moderate violet. Relative luminance 0.017; OKLCH L 26.7% C 0.087 H 311.0°. Best body text is #FFFFFF at 15.68:1 contrast (WCAG AA passes).

Color values

HEX	#331644
RGB	rgb(51, 22, 68)
HSL	hsl(278, 51%, 18%)
HSV	hsv(278, 68%, 27%)
CMYK	cmyk(25%, 67.6%, 0%, 73.3%)
CIE-LAB	lab(13.80, 24.04, -23.24)
CIE-LCH	lch(13.80, 33.43, 315.97°)
OKLab	oklab(26.72% 0.0567 -0.0653)
OKLCH	oklch(26.72% 0.087 311)
XYZ	xyz(2.6953, 1.6950, 5.6529)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331644 #274416

analogous

#1C1644 #331644 #44163E

triadic

#331644 #443316 #164433

tetradic

#331644 #441C16 #274416 #163E44

square

#331644 #441C16 #274416 #163E44

split-complementary

#331644 #3E4416 #16441C

monochromatic

#110717 #110717 #331644 #562572 #7834A0

Accessibility & contrast

On white

15.68

#331644 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#331644 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331644

15.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331644	#FFFFFF	#000000	##FFFFFF
##331644	1.00	15.68	1.34	15.68
#FFFFFF	15.68	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052245

Deuteranopia (green-blind)

#122443

Tritanopia (blue-blind)

#311F2A

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #331644;
/* rgb */ color: rgb(51, 22, 68);
/* oklch */ color: oklch(26.7% 0.087 311.0);

Tailwind

colors: {
  custom: {
    50: '#6c5578',
    500: '#331644',
    950: '#000000',
  },
}

SCSS

$custom: #331644;
$custom-light: #6c5578;
$custom-dark: #000000;

JSON

{
  "hex": "#331644",
  "rgb": {
    "r": 51,
    "g": 22,
    "b": 68
  },
  "hsl": {
    "h": 277.826,
    "s": 51.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.26717,
    "c": 0.08655,
    "h": 311
  },
  "luminance": 0.01695
}

Semantic roles & 50–950 ramp

primary

#331644

secondary

#527B3A

accent

#DB4D81

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#070309

muted

#7A787B

Preview Lab

Preview with #331644

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

Preview Lab → · Contrast checker → · Palette generator →