#331C69#331C69

#331C69 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 30.8% C 0.126 H 290.8°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#331C69
RGB	rgb(51, 28, 105)
HSL	hsl(258, 58%, 26%)
HSV	hsv(258, 73%, 41%)
CMYK	cmyk(51.4%, 73.3%, 0%, 58.8%)
CIE-LAB	lab(18.16, 31.32, -41.14)
CIE-LCH	lch(18.16, 51.71, 307.28°)
OKLab	oklab(30.82% 0.0448 -0.118)
OKLCH	oklch(30.82% 0.126 290.8)
XYZ	xyz(4.3296, 2.5541, 13.6267)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331C69 #52691C

analogous

#1C2B69 #331C69 #591C69

triadic

#331C69 #69331C #1C6933

tetradic

#331C69 #691C2B #52691C #1C6959

square

#331C69 #691C2B #52691C #1C6959

split-complementary

#331C69 #69591C #2B691C

monochromatic

#0C0618 #1C0F39 #331C69 #4A2999 #6236C9

Accessibility & contrast

On white

13.90

#331C69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#331C69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331C69

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331C69	#FFFFFF	#000000	##FFFFFF
##331C69	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6B

Deuteranopia (green-blind)

#002B67

Tritanopia (blue-blind)

#213040

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #331c69;
/* rgb */ color: rgb(51, 28, 105);
/* oklch */ color: oklch(30.8% 0.126 290.8);

Tailwind

colors: {
  custom: {
    50: '#715a95',
    500: '#331c69',
    950: '#000000',
  },
}

SCSS

$custom: #331c69;
$custom-light: #715a95;
$custom-dark: #000000;

JSON

{
  "hex": "#331c69",
  "rgb": {
    "r": 51,
    "g": 28,
    "b": 105
  },
  "hsl": {
    "h": 257.922,
    "s": 57.895,
    "l": 26.078
  },
  "oklch": {
    "l": 0.30823,
    "c": 0.1262,
    "h": 290.8
  },
  "luminance": 0.02554
}

Semantic roles & 50–950 ramp

primary

#331C69

secondary

#839E43

accent

#E147B3

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331C69

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

Preview Lab → · Contrast checker → · Palette generator →