#311D56#311D56

#311D56 is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.1% C 0.099 H 295.8°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#311D56
RGB	rgb(49, 29, 86)
HSL	hsl(261, 50%, 23%)
HSV	hsv(261, 66%, 34%)
CMYK	cmyk(43%, 66.3%, 0%, 66.3%)
CIE-LAB	lab(16.52, 24.33, -31.21)
CIE-LCH	lch(16.52, 39.57, 307.94°)
OKLab	oklab(29.07% 0.043 -0.0889)
OKLCH	oklch(29.07% 0.099 295.8)
XYZ	xyz(3.3853, 2.2035, 9.0493)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D56 #42561D

analogous

#1D2556 #311D56 #4E1D56

triadic

#311D56 #56311D #1D5631

tetradic

#311D56 #561D25 #42561D #1D564E

square

#311D56 #561D25 #42561D #1D564E

split-complementary

#311D56 #564E1D #25561D

monochromatic

#0D0817 #170E28 #311D56 #4B2C84 #653CB2

Accessibility & contrast

On white

14.58

#311D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#311D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D56

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D56	#FFFFFF	#000000	##FFFFFF
##311D56	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002958

Deuteranopia (green-blind)

#022855

Tritanopia (blue-blind)

#282A36

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #311d56;
/* rgb */ color: rgb(49, 29, 86);
/* oklch */ color: oklch(29.1% 0.099 295.8);

Tailwind

colors: {
  custom: {
    50: '#6c5a86',
    500: '#311d56',
    950: '#000000',
  },
}

SCSS

$custom: #311d56;
$custom-light: #6c5a86;
$custom-dark: #000000;

JSON

{
  "hex": "#311d56",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 86
  },
  "hsl": {
    "h": 261.053,
    "s": 49.565,
    "l": 22.549
  },
  "oklch": {
    "l": 0.29074,
    "c": 0.09871,
    "h": 295.8
  },
  "luminance": 0.02204
}

Semantic roles & 50–950 ramp

primary

#311D56

secondary

#728B44

accent

#D94FA9

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07040B

muted

#7A797C

Preview Lab

Preview with #311D56

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

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