#331C64#331C64

#331C64 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.4% C 0.120 H 292.5°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#331C64
RGB	rgb(51, 28, 100)
HSL	hsl(259, 56%, 25%)
HSV	hsv(259, 72%, 39%)
CMYK	cmyk(49%, 72%, 0%, 60.8%)
CIE-LAB	lab(17.71, 29.77, -38.59)
CIE-LCH	lch(17.71, 48.74, 307.64°)
OKLab	oklab(30.36% 0.0457 -0.1105)
OKLCH	oklch(30.36% 0.12 292.5)
XYZ	xyz(4.0801, 2.4543, 12.3129)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C64 #4D641C

analogous

#1C2964 #331C64 #571C64

triadic

#331C64 #64331C #1C6433

tetradic

#331C64 #641C29 #4D641C #1C6457

square

#331C64 #641C29 #4D641C #1C6457

split-complementary

#331C64 #64571C #29641C

monochromatic

#0C0718 #1B0F34 #331C64 #4B2994 #6437C4

Accessibility & contrast

On white

14.09

#331C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#331C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C64

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C64	#FFFFFF	#000000	##FFFFFF
##331C64	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C66

Deuteranopia (green-blind)

#002A63

Tritanopia (blue-blind)

#242E3D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #331c64;
/* rgb */ color: rgb(51, 28, 100);
/* oklch */ color: oklch(30.4% 0.120 292.5);

Tailwind

colors: {
  custom: {
    50: '#705a91',
    500: '#331c64',
    950: '#000000',
  },
}

SCSS

$custom: #331c64;
$custom-light: #705a91;
$custom-dark: #000000;

JSON

{
  "hex": "#331c64",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 100
  },
  "hsl": {
    "h": 259.167,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.3036,
    "c": 0.11958,
    "h": 292.5
  },
  "luminance": 0.02454
}

Semantic roles & 50–950 ramp

primary

#331C64

secondary

#7E9943

accent

#E048AF

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040D

muted

#7B797D

Preview Lab

Preview with #331C64

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

Preview Lab → · Contrast checker → · Palette generator →