#310C51#310C51

#310C51 is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.2% C 0.116 H 303.3°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).

Color values

HEX	#310C51
RGB	rgb(49, 12, 81)
HSL	hsl(272, 74%, 18%)
HSV	hsv(272, 85%, 32%)
CMYK	cmyk(39.5%, 85.2%, 0%, 68.2%)
CIE-LAB	lab(12.67, 32.35, -34.06)
CIE-LCH	lch(12.67, 46.97, 313.52°)
OKLab	oklab(26.19% 0.0639 -0.0972)
OKLCH	oklch(26.19% 0.116 303.3)
XYZ	xyz(2.8829, 1.5100, 7.9226)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C51 #2C510C

analogous

#0E0C51 #310C51 #510C4E

triadic

#310C51 #51310C #0C5131

tetradic

#310C51 #510E0C #2C510C #0C4E51

square

#310C51 #510E0C #2C510C #0C4E51

split-complementary

#310C51 #4E510C #0C510E

monochromatic

#10041B #11041C #310C51 #511486 #711CBC

Accessibility & contrast

On white

16.13

#310C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#310C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C51

16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C51	#FFFFFF	#000000	##FFFFFF
##310C51	1.00	16.13	1.30	16.13
#FFFFFF	16.13	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002053

Deuteranopia (green-blind)

#002150

Tritanopia (blue-blind)

#2A1E2E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #310c51;
/* rgb */ color: rgb(49, 12, 81);
/* oklch */ color: oklch(26.2% 0.116 303.3);

Tailwind

colors: {
  custom: {
    50: '#6d5082',
    500: '#310c51',
    950: '#000000',
  },
}

SCSS

$custom: #310c51;
$custom-light: #6d5082;
$custom-dark: #000000;

JSON

{
  "hex": "#310c51",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 81
  },
  "hsl": {
    "h": 272.174,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.26187,
    "c": 0.11626,
    "h": 303.3
  },
  "luminance": 0.0151
}

Semantic roles & 50–950 ramp

primary

#310C51

secondary

#598C2C

accent

#F1378D

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310C51

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

Preview Lab → · Contrast checker → · Palette generator →