#311D4D#311D4D

#311D4D is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.4% C 0.086 H 300.2°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#311D4D
RGB	rgb(49, 29, 77)
HSL	hsl(265, 45%, 21%)
HSV	hsv(265, 62%, 30%)
CMYK	cmyk(36.4%, 62.3%, 0%, 69.8%)
CIE-LAB	lab(15.84, 21.57, -26.20)
CIE-LCH	lch(15.84, 33.94, 309.47°)
OKLab	oklab(28.36% 0.0432 -0.0741)
OKLCH	oklch(28.36% 0.086 300.2)
XYZ	xyz(3.0452, 2.0675, 7.2584)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D4D #394D1D

analogous

#1D214D #311D4D #491D4D

triadic

#311D4D #4D311D #1D4D31

tetradic

#311D4D #4D1D21 #394D1D #1D4D49

square

#311D4D #4D1D21 #394D1D #1D4D49

split-complementary

#311D4D #4D491D #214D1D

monochromatic

#0E0816 #150C21 #311D4D #4D2E79 #6A3EA6

Accessibility & contrast

On white

14.86

#311D4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#311D4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D4D

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D4D	#FFFFFF	#000000	##FFFFFF
##311D4D	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08274F

Deuteranopia (green-blind)

#0F274C

Tritanopia (blue-blind)

#2B2731

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #311d4d;
/* rgb */ color: rgb(49, 29, 77);
/* oklch */ color: oklch(28.4% 0.086 300.2);

Tailwind

colors: {
  custom: {
    50: '#6b5a7f',
    500: '#311d4d',
    950: '#000000',
  },
}

SCSS

$custom: #311d4d;
$custom-light: #6b5a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#311d4d",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 77
  },
  "hsl": {
    "h": 265,
    "s": 45.283,
    "l": 20.784
  },
  "oklch": {
    "l": 0.28356,
    "c": 0.08581,
    "h": 300.2
  },
  "luminance": 0.02068
}

Semantic roles & 50–950 ramp

primary

#311D4D

secondary

#688244

accent

#D5539F

background

#F6F5F7

surface

#EBE9EE

border

#C6C5C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #311D4D

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

Preview Lab → · Contrast checker → · Palette generator →