#331E66#331E66

#331E66 is a dark, moderate violet. Relative luminance 0.026; OKLCH L 30.9% C 0.119 H 291.2°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#331E66
RGB	rgb(51, 30, 102)
HSL	hsl(258, 55%, 26%)
HSV	hsv(258, 71%, 40%)
CMYK	cmyk(50%, 70.6%, 0%, 60%)
CIE-LAB	lab(18.33, 29.19, -38.90)
CIE-LCH	lch(18.33, 48.64, 306.88°)
OKLab	oklab(30.86% 0.0431 -0.1114)
OKLCH	oklch(30.86% 0.119 291.2)
XYZ	xyz(4.2271, 2.5915, 12.8453)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331E66 #51661E

analogous

#1E2D66 #331E66 #571E66

triadic

#331E66 #66331E #1E6633

tetradic

#331E66 #661E2D #51661E #1E6657

square

#331E66 #661E2D #51661E #1E6657

split-complementary

#331E66 #66571E #2D661E

monochromatic

#0C0718 #1B1037 #331E66 #4B2C95 #623AC5

Accessibility & contrast

On white

13.83

#331E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#331E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331E66

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331E66	#FFFFFF	#000000	##FFFFFF
##331E66	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E68

Deuteranopia (green-blind)

#002B65

Tritanopia (blue-blind)

#23303F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #331e66;
/* rgb */ color: rgb(51, 30, 102);
/* oklch */ color: oklch(30.9% 0.119 291.2);

Tailwind

colors: {
  custom: {
    50: '#705b92',
    500: '#331e66',
    950: '#000000',
  },
}

SCSS

$custom: #331e66;
$custom-light: #705b92;
$custom-dark: #000000;

JSON

{
  "hex": "#331e66",
  "rgb": {
    "r": 51,
    "g": 30,
    "b": 102
  },
  "hsl": {
    "h": 257.5,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.30858,
    "c": 0.11947,
    "h": 291.2
  },
  "luminance": 0.02592
}

Semantic roles & 50–950 ramp

primary

#331E66

secondary

#829B45

accent

#DE4AB3

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #331E66

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

Preview Lab → · Contrast checker → · Palette generator →