#310F4B#310F4B

#310F4B is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.0% C 0.106 H 306.1°. Best body text is #FFFFFF at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#310F4B
RGB	rgb(49, 15, 75)
HSL	hsl(274, 67%, 18%)
HSV	hsv(274, 80%, 29%)
CMYK	cmyk(34.7%, 80%, 0%, 70.6%)
CIE-LAB	lab(12.62, 29.32, -30.01)
CIE-LCH	lch(12.62, 41.95, 314.33°)
OKLab	oklab(25.98% 0.0622 -0.0853)
OKLCH	oklch(25.98% 0.106 306.1)
XYZ	xyz(2.7072, 1.5026, 6.8027)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F4B #294B0F

analogous

#130F4B #310F4B #4B0F47

triadic

#310F4B #4B310F #0F4B31

tetradic

#310F4B #4B130F #294B0F #0F474B

square

#310F4B #4B130F #294B0F #0F474B

split-complementary

#310F4B #474B0F #0F4B13

monochromatic

#11051A #11051A #310F4B #52197E #7423B1

Accessibility & contrast

On white

16.15

#310F4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#310F4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F4B

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F4B	#FFFFFF	#000000	##FFFFFF
##310F4B	1.00	16.15	1.30	16.15
#FFFFFF	16.15	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204D

Deuteranopia (green-blind)

#00214A

Tritanopia (blue-blind)

#2C1D2C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #310f4b;
/* rgb */ color: rgb(49, 15, 75);
/* oklch */ color: oklch(26.0% 0.106 306.1);

Tailwind

colors: {
  custom: {
    50: '#6c517e',
    500: '#310f4b',
    950: '#000000',
  },
}

SCSS

$custom: #310f4b;
$custom-light: #6c517e;
$custom-dark: #000000;

JSON

{
  "hex": "#310f4b",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 75
  },
  "hsl": {
    "h": 274,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.25984,
    "c": 0.10556,
    "h": 306.1
  },
  "luminance": 0.01503
}

Semantic roles & 50–950 ramp

primary

#310F4B

secondary

#558530

accent

#EA3E88

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310F4B

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

Preview Lab → · Contrast checker → · Palette generator →