#310C43#310C43

#310C43 is a very dark, moderate purple. Relative luminance 0.013; OKLCH L 24.9% C 0.100 H 312.0°. Best body text is #FFFFFF at 16.61:1 contrast (WCAG AA passes).

Color values

HEX	#310C43
RGB	rgb(49, 12, 67)
HSL	hsl(280, 70%, 15%)
HSV	hsv(280, 82%, 26%)
CMYK	cmyk(26.9%, 82.1%, 0%, 73.7%)
CIE-LAB	lab(11.42, 28.71, -26.37)
CIE-LCH	lch(11.42, 38.98, 317.43°)
OKLab	oklab(24.92% 0.0672 -0.0745)
OKLCH	oklch(24.92% 0.1 312)
XYZ	xyz(2.4110, 1.3212, 5.4371)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C43 #1E430C

analogous

#160C43 #310C43 #430C39

triadic

#310C43 #43310C #0C4331

tetradic

#310C43 #43160C #1E430C #0C3943

square

#310C43 #43160C #1E430C #0C3943

split-complementary

#310C43 #39430C #0C4316

monochromatic

#13051A #13051A #310C43 #571577 #7D1FAB

Accessibility & contrast

On white

16.61

#310C43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#310C43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C43

16.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C43	#FFFFFF	#000000	##FFFFFF
##310C43	1.00	16.61	1.26	16.61
#FFFFFF	16.61	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D45

Deuteranopia (green-blind)

#051F42

Tritanopia (blue-blind)

#2F1826

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #310c43;
/* rgb */ color: rgb(49, 12, 67);
/* oklch */ color: oklch(24.9% 0.100 312.0);

Tailwind

colors: {
  custom: {
    50: '#6c4f77',
    500: '#310c43',
    950: '#000000',
  },
}

SCSS

$custom: #310c43;
$custom-light: #6c4f77;
$custom-dark: #000000;

JSON

{
  "hex": "#310c43",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 67
  },
  "hsl": {
    "h": 280.364,
    "s": 69.62,
    "l": 15.49
  },
  "oklch": {
    "l": 0.24917,
    "c": 0.10038,
    "h": 312
  },
  "luminance": 0.01321
}

Semantic roles & 50–950 ramp

primary

#310C43

secondary

#477F2C

accent

#EC3B75

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070209

muted

#7A787B

Preview Lab

Preview with #310C43

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

Preview Lab → · Contrast checker → · Palette generator →