#311F4E#311F4E

#311F4E is a dark, moderate violet. Relative luminance 0.022; OKLCH L 28.8% C 0.084 H 298.7°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#311F4E
RGB	rgb(49, 31, 78)
HSL	hsl(263, 43%, 21%)
HSV	hsv(263, 60%, 31%)
CMYK	cmyk(37.2%, 60.3%, 0%, 69.4%)
CIE-LAB	lab(16.42, 20.55, -25.95)
CIE-LCH	lch(16.42, 33.10, 308.37°)
OKLab	oklab(28.81% 0.0402 -0.0734)
OKLCH	oklch(28.81% 0.084 298.7)
XYZ	xyz(3.1314, 2.1830, 7.4626)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311F4E #3C4E1F

analogous

#1F254E #311F4E #491F4E

triadic

#311F4E #4E311F #1F4E31

tetradic

#311F4E #4E1F25 #3C4E1F #1F4E49

square

#311F4E #4E1F25 #3C4E1F #1F4E49

split-complementary

#311F4E #4E491F #254E1F

monochromatic

#0E0916 #150E22 #311F4E #4D307A #6842A6

Accessibility & contrast

On white

14.62

#311F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#311F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311F4E

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311F4E	#FFFFFF	#000000	##FFFFFF
##311F4E	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2950

Deuteranopia (green-blind)

#11284D

Tritanopia (blue-blind)

#2B2833

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #311f4e;
/* rgb */ color: rgb(49, 31, 78);
/* oklch */ color: oklch(28.8% 0.084 298.7);

Tailwind

colors: {
  custom: {
    50: '#6b5b80',
    500: '#311f4e',
    950: '#000000',
  },
}

SCSS

$custom: #311f4e;
$custom-light: #6b5b80;
$custom-dark: #000000;

JSON

{
  "hex": "#311f4e",
  "rgb": {
    "r": 49,
    "g": 31,
    "b": 78
  },
  "hsl": {
    "h": 262.979,
    "s": 43.119,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28808,
    "c": 0.08371,
    "h": 298.7
  },
  "luminance": 0.02183
}

Semantic roles & 50–950 ramp

primary

#311F4E

secondary

#6B8346

accent

#D355A3

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#07040A

muted

#7A797C

Preview Lab

Preview with #311F4E

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

Preview Lab → · Contrast checker → · Palette generator →