#310A43#310A43

#310A43 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.7% C 0.103 H 312.4°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#310A43
RGB	rgb(49, 10, 67)
HSL	hsl(281, 74%, 15%)
HSV	hsv(281, 85%, 26%)
CMYK	cmyk(26.9%, 85.1%, 0%, 73.7%)
CIE-LAB	lab(11.10, 29.62, -26.89)
CIE-LCH	lch(11.10, 40.01, 317.77°)
OKLab	oklab(24.69% 0.0695 -0.0761)
OKLCH	oklch(24.69% 0.103 312.4)
XYZ	xyz(2.3881, 1.2754, 5.4295)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310A43 #1C430A

analogous

#150A43 #310A43 #430A38

triadic

#310A43 #43310A #0A4331

tetradic

#310A43 #43150A #1C430A #0A3843

square

#310A43 #43150A #1C430A #0A3843

split-complementary

#310A43 #38430A #0A4315

monochromatic

#13041B #13041B #310A43 #581278 #7F1AAE

Accessibility & contrast

On white

16.73

#310A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#310A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310A43

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310A43	#FFFFFF	#000000	##FFFFFF
##310A43	1.00	16.73	1.25	16.73
#FFFFFF	16.73	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C45

Deuteranopia (green-blind)

#041E42

Tritanopia (blue-blind)

#2F1726

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310a43;
/* rgb */ color: rgb(49, 10, 67);
/* oklch */ color: oklch(24.7% 0.103 312.4);

Tailwind

colors: {
  custom: {
    50: '#6c4e77',
    500: '#310a43',
    950: '#000000',
  },
}

SCSS

$custom: #310a43;
$custom-light: #6c4e77;
$custom-dark: #000000;

JSON

{
  "hex": "#310a43",
  "rgb": {
    "r": 49,
    "g": 10,
    "b": 67
  },
  "hsl": {
    "h": 281.053,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.2469,
    "c": 0.103,
    "h": 312.4
  },
  "luminance": 0.01275
}

Semantic roles & 50–950 ramp

primary

#310A43

secondary

#448029

accent

#F13772

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070209

muted

#7A787B

Preview Lab

Preview with #310A43

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

Preview Lab → · Contrast checker → · Palette generator →