#310A39#310A39

#310A39 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 23.9% C 0.092 H 320.3°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#310A39
RGB	rgb(49, 10, 57)
HSL	hsl(290, 70%, 13%)
HSV	hsv(290, 82%, 22%)
CMYK	cmyk(14%, 82.5%, 0%, 77.6%)
CIE-LAB	lab(10.30, 27.24, -21.05)
CIE-LCH	lch(10.30, 34.42, 322.30°)
OKLab	oklab(23.87% 0.0709 -0.0589)
OKLCH	oklch(23.87% 0.092 320.3)
XYZ	xyz(2.1136, 1.1656, 3.9837)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310A39 #12390A

analogous

#190A39 #310A39 #390A29

triadic

#310A39 #39310A #0A3931

tetradic

#310A39 #39190A #12390A #0A2939

square

#310A39 #39190A #12390A #0A2939

split-complementary

#310A39 #29390A #0A3919

monochromatic

#16051A #16051A #310A39 #5E136D #8B1CA1

Accessibility & contrast

On white

17.03

#310A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#310A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310A39

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310A39	#FFFFFF	#000000	##FFFFFF
##310A39	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193A

Deuteranopia (green-blind)

#0E1D38

Tritanopia (blue-blind)

#311320

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #310a39;
/* rgb */ color: rgb(49, 10, 57);
/* oklch */ color: oklch(23.9% 0.092 320.3);

Tailwind

colors: {
  custom: {
    50: '#6b4d70',
    500: '#310a39',
    950: '#000000',
  },
}

SCSS

$custom: #310a39;
$custom-light: #6b4d70;
$custom-dark: #000000;

JSON

{
  "hex": "#310a39",
  "rgb": {
    "r": 49,
    "g": 10,
    "b": 57
  },
  "hsl": {
    "h": 289.787,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23866,
    "c": 0.09218,
    "h": 320.3
  },
  "luminance": 0.01165
}

Semantic roles & 50–950 ramp

primary

#310A39

secondary

#367628

accent

#ED3B59

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#070107

muted

#7A777A

Preview Lab

Preview with #310A39

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

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