#310B4C#310B4C

#310B4C is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.6% C 0.112 H 306.4°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#310B4C
RGB	rgb(49, 11, 76)
HSL	hsl(275, 75%, 17%)
HSV	hsv(275, 86%, 30%)
CMYK	cmyk(35.5%, 85.5%, 0%, 70.2%)
CIE-LAB	lab(12.05, 31.47, -31.63)
CIE-LCH	lch(12.05, 44.62, 314.86°)
OKLab	oklab(25.61% 0.0663 -0.09)
OKLCH	oklch(25.61% 0.112 306.4)
XYZ	xyz(2.6905, 1.4141, 6.9673)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B4C #264C0B

analogous

#110B4C #310B4C #4C0B47

triadic

#310B4C #4C310B #0B4C31

tetradic

#310B4C #4C110B #264C0B #0B474C

square

#310B4C #4C110B #264C0B #0B474C

split-complementary

#310B4C #474C0B #0B4C11

monochromatic

#11041B #11041B #310B4C #531381 #761AB7

Accessibility & contrast

On white

16.37

#310B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#310B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B4C

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B4C	#FFFFFF	#000000	##FFFFFF
##310B4C	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4E

Deuteranopia (green-blind)

#00204B

Tritanopia (blue-blind)

#2C1C2B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #310b4c;
/* rgb */ color: rgb(49, 11, 76);
/* oklch */ color: oklch(25.6% 0.112 306.4);

Tailwind

colors: {
  custom: {
    50: '#6d4f7f',
    500: '#310b4c',
    950: '#000000',
  },
}

SCSS

$custom: #310b4c;
$custom-light: #6d4f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#310b4c",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 76
  },
  "hsl": {
    "h": 275.077,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.25608,
    "c": 0.11177,
    "h": 306.4
  },
  "luminance": 0.01414
}

Semantic roles & 50–950 ramp

primary

#310B4C

secondary

#51882B

accent

#F13684

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310B4C

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

Preview Lab → · Contrast checker → · Palette generator →