#310F49#310F49

#310F49 is a dark, moderate violet. Relative luminance 0.015; OKLCH L 25.8% C 0.103 H 307.4°. Best body text is #FFFFFF at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#310F49
RGB	rgb(49, 15, 73)
HSL	hsl(275, 66%, 17%)
HSV	hsv(275, 79%, 29%)
CMYK	cmyk(32.9%, 79.5%, 0%, 71.4%)
CIE-LAB	lab(12.45, 28.78, -28.90)
CIE-LCH	lch(12.45, 40.78, 314.88°)
OKLab	oklab(25.81% 0.0626 -0.082)
OKLCH	oklch(25.81% 0.103 307.4)
XYZ	xyz(2.6398, 1.4757, 6.4478)
Luminance	0.0148 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F49 #27490F

analogous

#140F49 #310F49 #490F44

triadic

#310F49 #49310F #0F4931

tetradic

#310F49 #49140F #27490F #0F4449

square

#310F49 #49140F #27490F #0F4449

split-complementary

#310F49 #44490F #0F4914

monochromatic

#110519 #110519 #310F49 #53197C #7524AF

Accessibility & contrast

On white

16.21

#310F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#310F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F49

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F49	#FFFFFF	#000000	##FFFFFF
##310F49	1.00	16.21	1.30	16.21
#FFFFFF	16.21	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4B

Deuteranopia (green-blind)

#012148

Tritanopia (blue-blind)

#2D1C2B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #310f49;
/* rgb */ color: rgb(49, 15, 73);
/* oklch */ color: oklch(25.8% 0.103 307.4);

Tailwind

colors: {
  custom: {
    50: '#6c517c',
    500: '#310f49',
    950: '#000000',
  },
}

SCSS

$custom: #310f49;
$custom-light: #6c517c;
$custom-dark: #000000;

JSON

{
  "hex": "#310f49",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 73
  },
  "hsl": {
    "h": 275.172,
    "s": 65.909,
    "l": 17.255
  },
  "oklch": {
    "l": 0.25807,
    "c": 0.10318,
    "h": 307.4
  },
  "luminance": 0.01476
}

Semantic roles & 50–950 ramp

primary

#310F49

secondary

#538330

accent

#E93F85

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#070209

muted

#7A787B

Preview Lab

Preview with #310F49

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

Preview Lab → · Contrast checker → · Palette generator →