#310C53#310C53

#310C53 is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.4% C 0.119 H 302.2°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#310C53
RGB	rgb(49, 12, 83)
HSL	hsl(271, 75%, 19%)
HSV	hsv(271, 86%, 33%)
CMYK	cmyk(41%, 85.5%, 0%, 67.5%)
CIE-LAB	lab(12.86, 32.89, -35.12)
CIE-LCH	lch(12.86, 48.11, 313.12°)
OKLab	oklab(26.38% 0.0632 -0.1003)
OKLCH	oklch(26.38% 0.119 302.2)
XYZ	xyz(2.9591, 1.5404, 8.3234)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C53 #2E530C

analogous

#0E0C53 #310C53 #530C51

triadic

#310C53 #53310C #0C5331

tetradic

#310C53 #530E0C #2E530C #0C5153

square

#310C53 #530E0C #2E530C #0C5153

split-complementary

#310C53 #51530C #0C530E

monochromatic

#10041B #11041E #310C53 #511488 #701BBE

Accessibility & contrast

On white

16.06

#310C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#310C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C53

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C53	#FFFFFF	#000000	##FFFFFF
##310C53	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002155

Deuteranopia (green-blind)

#002152

Tritanopia (blue-blind)

#2A1F2F

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #310c53;
/* rgb */ color: rgb(49, 12, 83);
/* oklch */ color: oklch(26.4% 0.119 302.2);

Tailwind

colors: {
  custom: {
    50: '#6d5084',
    500: '#310c53',
    950: '#000000',
  },
}

SCSS

$custom: #310c53;
$custom-light: #6d5084;
$custom-dark: #000000;

JSON

{
  "hex": "#310c53",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 83
  },
  "hsl": {
    "h": 271.268,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.2638,
    "c": 0.11854,
    "h": 302.2
  },
  "luminance": 0.0154
}

Semantic roles & 50–950 ramp

primary

#310C53

secondary

#5B8E2D

accent

#F13690

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #310C53

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

Preview Lab → · Contrast checker → · Palette generator →