#310D48#310D48

#310D48 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.5% C 0.105 H 308.4°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#310D48
RGB	rgb(49, 13, 72)
HSL	hsl(277, 69%, 17%)
HSV	hsv(277, 82%, 28%)
CMYK	cmyk(31.9%, 81.9%, 0%, 71.8%)
CIE-LAB	lab(12.02, 29.51, -28.91)
CIE-LCH	lch(12.02, 41.31, 315.59°)
OKLab	oklab(25.47% 0.0651 -0.082)
OKLCH	oklch(25.47% 0.105 308.4)
XYZ	xyz(2.5800, 1.4087, 6.2656)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D48 #24480D

analogous

#140D48 #310D48 #480D42

triadic

#310D48 #48310D #0D4831

tetradic

#310D48 #48140D #24480D #0D4248

square

#310D48 #48140D #24480D #0D4248

split-complementary

#310D48 #42480D #0D4814

monochromatic

#12051A #12051A #310D48 #54167C #7820B0

Accessibility & contrast

On white

16.38

#310D48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#310D48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D48

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D48	#FFFFFF	#000000	##FFFFFF
##310D48	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4A

Deuteranopia (green-blind)

#002047

Tritanopia (blue-blind)

#2D1B29

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #310d48;
/* rgb */ color: rgb(49, 13, 72);
/* oklch */ color: oklch(25.5% 0.105 308.4);

Tailwind

colors: {
  custom: {
    50: '#6c507b',
    500: '#310d48',
    950: '#000000',
  },
}

SCSS

$custom: #310d48;
$custom-light: #6c507b;
$custom-dark: #000000;

JSON

{
  "hex": "#310d48",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 72
  },
  "hsl": {
    "h": 276.61,
    "s": 69.412,
    "l": 16.667
  },
  "oklch": {
    "l": 0.25471,
    "c": 0.10474,
    "h": 308.4
  },
  "luminance": 0.01409
}

Semantic roles & 50–950 ramp

primary

#310D48

secondary

#4F832D

accent

#EC3C80

background

#F6F4F7

surface

#ECE7EE

border

#C7C3C9

text

#070209

muted

#7A787B

Preview Lab

Preview with #310D48

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

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