#310C40#310C40

#310C40 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.7% C 0.097 H 314.2°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#310C40
RGB	rgb(49, 12, 64)
HSL	hsl(283, 68%, 15%)
HSV	hsv(283, 81%, 25%)
CMYK	cmyk(23.4%, 81.2%, 0%, 74.9%)
CIE-LAB	lab(11.18, 27.96, -24.64)
CIE-LCH	lch(11.18, 37.27, 318.61°)
OKLab	oklab(24.67% 0.0677 -0.0695)
OKLCH	oklch(24.67% 0.097 314.2)
XYZ	xyz(2.3234, 1.2862, 4.9754)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C40 #1B400C

analogous

#170C40 #310C40 #400C35

triadic

#310C40 #40310C #0C4031

tetradic

#310C40 #40170C #1B400C #0C3540

square

#310C40 #40170C #1B400C #0C3540

split-complementary

#310C40 #35400C #0C4017

monochromatic

#14051A #14051A #310C40 #581674 #801FA7

Accessibility & contrast

On white

16.70

#310C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#310C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C40

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C40	#FFFFFF	#000000	##FFFFFF
##310C40	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C41

Deuteranopia (green-blind)

#091F3F

Tritanopia (blue-blind)

#301725

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310c40;
/* rgb */ color: rgb(49, 12, 64);
/* oklch */ color: oklch(24.7% 0.097 314.2);

Tailwind

colors: {
  custom: {
    50: '#6b4f75',
    500: '#310c40',
    950: '#000000',
  },
}

SCSS

$custom: #310c40;
$custom-light: #6b4f75;
$custom-dark: #000000;

JSON

{
  "hex": "#310c40",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 64
  },
  "hsl": {
    "h": 282.692,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24665,
    "c": 0.097,
    "h": 314.2
  },
  "luminance": 0.01286
}

Semantic roles & 50–950 ramp

primary

#310C40

secondary

#437C2C

accent

#EB3D6F

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070208

muted

#7A787B

Preview Lab

Preview with #310C40

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

Preview Lab → · Contrast checker → · Palette generator →