#310D4D#310D4D

#310D4D is a dark, moderate violet. Relative luminance 0.015; OKLCH L 25.9% C 0.111 H 305.4°. Best body text is #FFFFFF at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#310D4D
RGB	rgb(49, 13, 77)
HSL	hsl(274, 71%, 18%)
HSV	hsv(274, 83%, 30%)
CMYK	cmyk(36.4%, 83.1%, 0%, 69.8%)
CIE-LAB	lab(12.46, 30.82, -31.66)
CIE-LCH	lch(12.46, 44.19, 314.24°)
OKLab	oklab(25.92% 0.064 -0.0901)
OKLCH	oklch(25.92% 0.111 305.4)
XYZ	xyz(2.7498, 1.4767, 7.1599)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D4D #294D0D

analogous

#110D4D #310D4D #4D0D49

triadic

#310D4D #4D310D #0D4D31

tetradic

#310D4D #4D110D #294D0D #0D494D

square

#310D4D #4D110D #294D0D #0D494D

split-complementary

#310D4D #494D0D #0D4D11

monochromatic

#11041A #11041A #310D4D #521681 #741FB6

Accessibility & contrast

On white

16.21

#310D4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#310D4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D4D

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D4D	#FFFFFF	#000000	##FFFFFF
##310D4D	1.00	16.21	1.30	16.21
#FFFFFF	16.21	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4F

Deuteranopia (green-blind)

#00214C

Tritanopia (blue-blind)

#2C1D2C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #310d4d;
/* rgb */ color: rgb(49, 13, 77);
/* oklch */ color: oklch(25.9% 0.111 305.4);

Tailwind

colors: {
  custom: {
    50: '#6d507f',
    500: '#310d4d',
    950: '#000000',
  },
}

SCSS

$custom: #310d4d;
$custom-light: #6d507f;
$custom-dark: #000000;

JSON

{
  "hex": "#310d4d",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 77
  },
  "hsl": {
    "h": 273.75,
    "s": 71.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.25922,
    "c": 0.11051,
    "h": 305.4
  },
  "luminance": 0.01477
}

Semantic roles & 50–950 ramp

primary

#310D4D

secondary

#55882E

accent

#EE3A89

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310D4D

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

Preview Lab → · Contrast checker → · Palette generator →