#331D7B#331D7B

#331D7B is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.7% C 0.148 H 285.6°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#331D7B
RGB	rgb(51, 29, 123)
HSL	hsl(254, 62%, 30%)
HSV	hsv(254, 76%, 48%)
CMYK	cmyk(58.5%, 76.4%, 0%, 51.8%)
CIE-LAB	lab(20.09, 36.39, -49.60)
CIE-LCH	lch(20.09, 61.51, 306.27°)
OKLab	oklab(32.73% 0.0397 -0.1428)
OKLCH	oklch(32.73% 0.148 285.6)
XYZ	xyz(5.3787, 3.0123, 19.0331)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331D7B #657B1D

analogous

#1D367B #331D7B #621D7B

triadic

#331D7B #7B331D #1D7B33

tetradic

#331D7B #7B1D36 #657B1D #1D7B62

square

#331D7B #7B1D36 #657B1D #1D7B62

split-complementary

#331D7B #7B621D #367B1D

monochromatic

#0A0619 #1E1149 #331D7B #4829AD #6240D2

Accessibility & contrast

On white

13.10

#331D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#331D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331D7B

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331D7B	#FFFFFF	#000000	##FFFFFF
##331D7B	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002E79

Tritanopia (blue-blind)

#10374A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331d7b;
/* rgb */ color: rgb(51, 29, 123);
/* oklch */ color: oklch(32.7% 0.148 285.6);

Tailwind

colors: {
  custom: {
    50: '#745ca2',
    500: '#331d7b',
    950: '#000000',
  },
}

SCSS

$custom: #331d7b;
$custom-light: #745ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#331d7b",
  "rgb": {
    "r": 51,
    "g": 29,
    "b": 123
  },
  "hsl": {
    "h": 254.043,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32725,
    "c": 0.14821,
    "h": 285.6
  },
  "luminance": 0.03013
}

Semantic roles & 50–950 ramp

primary

#331D7B

secondary

#96AF45

accent

#E543BF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #331D7B

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

Preview Lab → · Contrast checker → · Palette generator →