#331B62#331B62

#331B62 is a dark, moderate violet. Relative luminance 0.024; OKLCH L 30.0% C 0.118 H 293.5°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#331B62
RGB	rgb(51, 27, 98)
HSL	hsl(260, 57%, 25%)
HSV	hsv(260, 72%, 38%)
CMYK	cmyk(48%, 72.4%, 0%, 61.6%)
CIE-LAB	lab(17.32, 29.74, -37.91)
CIE-LCH	lch(17.32, 48.19, 308.11°)
OKLab	oklab(30.02% 0.0472 -0.1085)
OKLCH	oklch(30.02% 0.118 293.5)
XYZ	xyz(3.9612, 2.3694, 11.8015)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331B62 #4A621B

analogous

#1B2662 #331B62 #571B62

triadic

#331B62 #62331B #1B6233

tetradic

#331B62 #621B26 #4A621B #1B6257

square

#331B62 #621B26 #4A621B #1B6257

split-complementary

#331B62 #62571B #26621B

monochromatic

#0C0718 #1A0E32 #331B62 #4C2892 #6535C2

Accessibility & contrast

On white

14.25

#331B62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#331B62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331B62

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331B62	#FFFFFF	#000000	##FFFFFF
##331B62	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B64

Deuteranopia (green-blind)

#002961

Tritanopia (blue-blind)

#252C3C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #331b62;
/* rgb */ color: rgb(51, 27, 98);
/* oklch */ color: oklch(30.0% 0.118 293.5);

Tailwind

colors: {
  custom: {
    50: '#70598f',
    500: '#331b62',
    950: '#000000',
  },
}

SCSS

$custom: #331b62;
$custom-light: #70598f;
$custom-dark: #000000;

JSON

{
  "hex": "#331b62",
  "rgb": {
    "r": 51,
    "g": 27,
    "b": 98
  },
  "hsl": {
    "h": 260.282,
    "s": 56.8,
    "l": 24.51
  },
  "oklch": {
    "l": 0.30023,
    "c": 0.1183,
    "h": 293.5
  },
  "luminance": 0.0237
}

Semantic roles & 50–950 ramp

primary

#331B62

secondary

#7A9841

accent

#E048AD

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #331B62

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

Preview Lab → · Contrast checker → · Palette generator →