#310B4D#310B4D

#310B4D is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.7% C 0.113 H 305.8°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#310B4D
RGB	rgb(49, 11, 77)
HSL	hsl(275, 75%, 17%)
HSV	hsv(275, 86%, 30%)
CMYK	cmyk(36.4%, 85.7%, 0%, 69.8%)
CIE-LAB	lab(12.14, 31.73, -32.17)
CIE-LCH	lch(12.14, 45.19, 314.61°)
OKLab	oklab(25.7% 0.066 -0.0916)
OKLCH	oklch(25.7% 0.113 305.8)
XYZ	xyz(2.7256, 1.4282, 7.1518)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B4D #274D0B

analogous

#100B4D #310B4D #4D0B48

triadic

#310B4D #4D310B #0B4D31

tetradic

#310B4D #4D100B #274D0B #0B484D

square

#310B4D #4D100B #274D0B #0B484D

split-complementary

#310B4D #484D0B #0B4D10

monochromatic

#11041B #11041B #310B4D #531383 #751AB8

Accessibility & contrast

On white

16.33

#310B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#310B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B4D

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B4D	#FFFFFF	#000000	##FFFFFF
##310B4D	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4F

Deuteranopia (green-blind)

#00204C

Tritanopia (blue-blind)

#2C1C2C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #310b4d;
/* rgb */ color: rgb(49, 11, 77);
/* oklch */ color: oklch(25.7% 0.113 305.8);

Tailwind

colors: {
  custom: {
    50: '#6d4f7f',
    500: '#310b4d',
    950: '#000000',
  },
}

SCSS

$custom: #310b4d;
$custom-light: #6d4f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#310b4d",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 77
  },
  "hsl": {
    "h": 274.545,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.25701,
    "c": 0.11289,
    "h": 305.8
  },
  "luminance": 0.01428
}

Semantic roles & 50–950 ramp

primary

#310B4D

secondary

#53892B

accent

#F23686

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310B4D

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

Preview Lab → · Contrast checker → · Palette generator →