#331E64#331E64

#331E64 is a dark, moderate violet. Relative luminance 0.026; OKLCH L 30.7% C 0.117 H 291.8°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#331E64
RGB	rgb(51, 30, 100)
HSL	hsl(258, 54%, 25%)
HSV	hsv(258, 70%, 39%)
CMYK	cmyk(49%, 70%, 0%, 60.8%)
CIE-LAB	lab(18.15, 28.56, -37.87)
CIE-LCH	lch(18.15, 47.43, 307.02°)
OKLab	oklab(30.68% 0.0434 -0.1084)
OKLCH	oklch(30.68% 0.117 291.8)
XYZ	xyz(4.1291, 2.5523, 12.3292)
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

#331E64 #4F641E

analogous

#1E2C64 #331E64 #561E64

triadic

#331E64 #64331E #1E6433

tetradic

#331E64 #641E2C #4F641E #1E6456

square

#331E64 #641E2C #4F641E #1E6456

split-complementary

#331E64 #64561E #2C641E

monochromatic

#0C0718 #1B1035 #331E64 #4B2C93 #633AC2

Accessibility & contrast

On white

13.90

#331E64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#331E64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331E64

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331E64	#FFFFFF	#000000	##FFFFFF
##331E64	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)

#002D66

Deuteranopia (green-blind)

#002B63

Tritanopia (blue-blind)

#242F3E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #331e64;
/* rgb */ color: rgb(51, 30, 100);
/* oklch */ color: oklch(30.7% 0.117 291.8);

Tailwind

colors: {
  custom: {
    50: '#705b91',
    500: '#331e64',
    950: '#000000',
  },
}

SCSS

$custom: #331e64;
$custom-light: #705b91;
$custom-dark: #000000;

JSON

{
  "hex": "#331e64",
  "rgb": {
    "r": 51,
    "g": 30,
    "b": 100
  },
  "hsl": {
    "h": 258,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.30679,
    "c": 0.11676,
    "h": 291.8
  },
  "luminance": 0.02552
}

Semantic roles & 50–950 ramp

primary

#331E64

secondary

#809945

accent

#DD4BB1

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040D

muted

#7B797D

Preview Lab

Preview with #331E64

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

Preview Lab → · Contrast checker → · Palette generator →