#310C4B#310C4B

#310C4B is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.6% C 0.109 H 306.8°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#310C4B
RGB	rgb(49, 12, 75)
HSL	hsl(275, 72%, 17%)
HSV	hsv(275, 84%, 29%)
CMYK	cmyk(34.7%, 84%, 0%, 70.6%)
CIE-LAB	lab(12.12, 30.76, -30.83)
CIE-LCH	lch(12.12, 43.56, 314.93°)
OKLab	oklab(25.62% 0.0655 -0.0877)
OKLCH	oklch(25.62% 0.109 306.8)
XYZ	xyz(2.6678, 1.4239, 6.7896)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C4B #264B0C

analogous

#120C4B #310C4B #4B0C46

triadic

#310C4B #4B310C #0C4B31

tetradic

#310C4B #4B120C #264B0C #0C464B

square

#310C4B #4B120C #264B0C #0C464B

split-complementary

#310C4B #464B0C #0C4B12

monochromatic

#11041A #11041A #310C4B #531480 #761DB5

Accessibility & contrast

On white

16.34

#310C4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#310C4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C4B

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C4B	#FFFFFF	#000000	##FFFFFF
##310C4B	1.00	16.34	1.28	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4D

Deuteranopia (green-blind)

#00204A

Tritanopia (blue-blind)

#2C1C2B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #310c4b;
/* rgb */ color: rgb(49, 12, 75);
/* oklch */ color: oklch(25.6% 0.109 306.8);

Tailwind

colors: {
  custom: {
    50: '#6c4f7e',
    500: '#310c4b',
    950: '#000000',
  },
}

SCSS

$custom: #310c4b;
$custom-light: #6c4f7e;
$custom-dark: #000000;

JSON

{
  "hex": "#310c4b",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 75
  },
  "hsl": {
    "h": 275.238,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.25625,
    "c": 0.10945,
    "h": 306.8
  },
  "luminance": 0.01424
}

Semantic roles & 50–950 ramp

primary

#310C4B

secondary

#51872C

accent

#EF3984

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310C4B

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

Preview Lab → · Contrast checker → · Palette generator →