#311D59#311D59

#311D59 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.3% C 0.103 H 294.5°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#311D59
RGB	rgb(49, 29, 89)
HSL	hsl(260, 51%, 23%)
HSV	hsv(260, 67%, 35%)
CMYK	cmyk(44.9%, 67.4%, 0%, 65.1%)
CIE-LAB	lab(16.76, 25.27, -32.83)
CIE-LCH	lch(16.76, 41.43, 307.58°)
OKLab	oklab(29.33% 0.0428 -0.0936)
OKLCH	oklch(29.33% 0.103 294.5)
XYZ	xyz(3.5087, 2.2529, 9.6992)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D59 #45591D

analogous

#1D2759 #311D59 #4F1D59

triadic

#311D59 #59311D #1D5931

tetradic

#311D59 #591D27 #45591D #1D594F

square

#311D59 #591D27 #45591D #1D594F

split-complementary

#311D59 #594F1D #27591D

monochromatic

#0D0817 #180E2B #311D59 #4A2C87 #643BB5

Accessibility & contrast

On white

14.48

#311D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#311D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D59

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D59	#FFFFFF	#000000	##FFFFFF
##311D59	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5B

Deuteranopia (green-blind)

#002858

Tritanopia (blue-blind)

#262B38

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #311d59;
/* rgb */ color: rgb(49, 29, 89);
/* oklch */ color: oklch(29.3% 0.103 294.5);

Tailwind

colors: {
  custom: {
    50: '#6d5a88',
    500: '#311d59',
    950: '#000000',
  },
}

SCSS

$custom: #311d59;
$custom-light: #6d5a88;
$custom-dark: #000000;

JSON

{
  "hex": "#311d59",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 89
  },
  "hsl": {
    "h": 260,
    "s": 50.847,
    "l": 23.137
  },
  "oklch": {
    "l": 0.29326,
    "c": 0.10295,
    "h": 294.5
  },
  "luminance": 0.02253
}

Semantic roles & 50–950 ramp

primary

#311D59

secondary

#758E44

accent

#DA4DAB

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040B

muted

#7A797C

Preview Lab

Preview with #311D59

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

Preview Lab → · Contrast checker → · Palette generator →