#310D44#310D44

#310D44 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.1% C 0.100 H 311.1°. Best body text is #FFFFFF at 16.51:1 contrast (WCAG AA passes).

Color values

HEX	#310D44
RGB	rgb(49, 13, 68)
HSL	hsl(279, 68%, 16%)
HSV	hsv(279, 81%, 27%)
CMYK	cmyk(27.9%, 80.9%, 0%, 73.3%)
CIE-LAB	lab(11.68, 28.48, -26.66)
CIE-LCH	lch(11.68, 39.01, 316.89°)
OKLab	oklab(25.12% 0.0659 -0.0754)
OKLCH	oklch(25.12% 0.1 311.1)
XYZ	xyz(2.4537, 1.3582, 5.6006)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D44 #20440D

analogous

#150D44 #310D44 #440D3B

triadic

#310D44 #44310D #0D4431

tetradic

#310D44 #44150D #20440D #0D3B44

square

#310D44 #44150D #20440D #0D3B44

split-complementary

#310D44 #3B440D #0D4415

monochromatic

#13051A #13051A #310D44 #561777 #7B21AB

Accessibility & contrast

On white

16.51

#310D44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#310D44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D44

16.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D44	#FFFFFF	#000000	##FFFFFF
##310D44	1.00	16.51	1.27	16.51
#FFFFFF	16.51	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D46

Deuteranopia (green-blind)

#051F43

Tritanopia (blue-blind)

#2F1927

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310d44;
/* rgb */ color: rgb(49, 13, 68);
/* oklch */ color: oklch(25.1% 0.100 311.1);

Tailwind

colors: {
  custom: {
    50: '#6c4f78',
    500: '#310d44',
    950: '#000000',
  },
}

SCSS

$custom: #310d44;
$custom-light: #6c4f78;
$custom-dark: #000000;

JSON

{
  "hex": "#310d44",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 68
  },
  "hsl": {
    "h": 279.273,
    "s": 67.901,
    "l": 15.882
  },
  "oklch": {
    "l": 0.25123,
    "c": 0.10014,
    "h": 311.1
  },
  "luminance": 0.01358
}

Semantic roles & 50–950 ramp

primary

#310D44

secondary

#4A7F2D

accent

#EB3D79

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070209

muted

#7A787B

Preview Lab

Preview with #310D44

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

Preview Lab → · Contrast checker → · Palette generator →