#310B44#310B44

#310B44 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.9% C 0.103 H 311.5°. Best body text is #FFFFFF at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#310B44
RGB	rgb(49, 11, 68)
HSL	hsl(280, 72%, 15%)
HSV	hsv(280, 84%, 27%)
CMYK	cmyk(27.9%, 83.8%, 0%, 73.3%)
CIE-LAB	lab(11.34, 29.43, -27.20)
CIE-LCH	lch(11.34, 40.07, 317.25°)
OKLab	oklab(24.89% 0.0682 -0.077)
OKLCH	oklch(24.89% 0.103 311.5)
XYZ	xyz(2.4295, 1.3097, 5.5925)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310B44 #1E440B

analogous

#140B44 #310B44 #440B3A

triadic

#310B44 #44310B #0B4431

tetradic

#310B44 #44140B #1E440B #0B3A44

square

#310B44 #44140B #1E440B #0B3A44

split-complementary

#310B44 #3A440B #0B4414

monochromatic

#13041A #13041A #310B44 #571479 #7D1CAD

Accessibility & contrast

On white

16.64

#310B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#310B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310B44

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310B44	#FFFFFF	#000000	##FFFFFF
##310B44	1.00	16.64	1.26	16.64
#FFFFFF	16.64	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C46

Deuteranopia (green-blind)

#031F43

Tritanopia (blue-blind)

#2F1827

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310b44;
/* rgb */ color: rgb(49, 11, 68);
/* oklch */ color: oklch(24.9% 0.103 311.5);

Tailwind

colors: {
  custom: {
    50: '#6c4e78',
    500: '#310b44',
    950: '#000000',
  },
}

SCSS

$custom: #310b44;
$custom-light: #6c4e78;
$custom-dark: #000000;

JSON

{
  "hex": "#310b44",
  "rgb": {
    "r": 49,
    "g": 11,
    "b": 68
  },
  "hsl": {
    "h": 280,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.24887,
    "c": 0.10283,
    "h": 311.5
  },
  "luminance": 0.0131
}

Semantic roles & 50–950 ramp

primary

#310B44

secondary

#47812A

accent

#EF3976

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070209

muted

#7A787B

Preview Lab

Preview with #310B44

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

Preview Lab → · Contrast checker → · Palette generator →