#310A45#310A45

#310A45 is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 24.9% C 0.105 H 311.0°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#310A45
RGB	rgb(49, 10, 69)
HSL	hsl(280, 75%, 15%)
HSV	hsv(280, 86%, 27%)
CMYK	cmyk(29%, 85.5%, 0%, 72.9%)
CIE-LAB	lab(11.27, 30.12, -28.02)
CIE-LCH	lch(11.27, 41.14, 317.07°)
OKLab	oklab(24.87% 0.069 -0.0794)
OKLCH	oklch(24.87% 0.105 311)
XYZ	xyz(2.4491, 1.2998, 5.7509)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310A45 #1E450A

analogous

#130A45 #310A45 #450A3B

triadic

#310A45 #45310A #0A4531

tetradic

#310A45 #45130A #1E450A #0A3B45

square

#310A45 #45130A #1E450A #0A3B45

split-complementary

#310A45 #3B450A #0A4513

monochromatic

#13041B #13041B #310A45 #57127A #7D19B0

Accessibility & contrast

On white

16.67

#310A45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#310A45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310A45

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310A45	#FFFFFF	#000000	##FFFFFF
##310A45	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C47

Deuteranopia (green-blind)

#011F44

Tritanopia (blue-blind)

#2E1827

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310a45;
/* rgb */ color: rgb(49, 10, 69);
/* oklch */ color: oklch(24.9% 0.105 311.0);

Tailwind

colors: {
  custom: {
    50: '#6c4e79',
    500: '#310a45',
    950: '#000000',
  },
}

SCSS

$custom: #310a45;
$custom-light: #6c4e79;
$custom-dark: #000000;

JSON

{
  "hex": "#310a45",
  "rgb": {
    "r": 49,
    "g": 10,
    "b": 69
  },
  "hsl": {
    "h": 279.661,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.24865,
    "c": 0.10519,
    "h": 311
  },
  "luminance": 0.013
}

Semantic roles & 50–950 ramp

primary

#310A45

secondary

#478229

accent

#F13676

background

#F6F4F7

surface

#ECE7ED

border

#C7C3C8

text

#070209

muted

#7A787B

Preview Lab

Preview with #310A45

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

Preview Lab → · Contrast checker → · Palette generator →