#310D56#310D56

#310D56 is a dark, vivid violet. Relative luminance 0.016; OKLCH L 26.8% C 0.121 H 300.5°. Best body text is #FFFFFF at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#310D56
RGB	rgb(49, 13, 86)
HSL	hsl(270, 74%, 19%)
HSV	hsv(270, 85%, 34%)
CMYK	cmyk(43%, 84.9%, 0%, 66.3%)
CIE-LAB	lab(13.31, 33.25, -36.43)
CIE-LCH	lch(13.31, 49.33, 312.39°)
OKLab	oklab(26.78% 0.0614 -0.1041)
OKLCH	oklch(26.78% 0.121 300.5)
XYZ	xyz(3.0898, 1.6127, 8.9508)
Luminance	0.0161 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D56 #32560D

analogous

#0D0E56 #310D56 #560D56

triadic

#310D56 #56310D #0D5631

tetradic

#310D56 #560D0E #32560D #0D5656

square

#310D56 #560D0E #32560D #0D5656

split-complementary

#310D56 #56560D #0E560D

monochromatic

#0F041B #130521 #310D56 #4F158B #6E1DC0

Accessibility & contrast

On white

15.88

#310D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#310D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D56

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D56	#FFFFFF	#000000	##FFFFFF
##310D56	1.00	15.88	1.32	15.88
#FFFFFF	15.88	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002258

Deuteranopia (green-blind)

#002255

Tritanopia (blue-blind)

#282131

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #310d56;
/* rgb */ color: rgb(49, 13, 86);
/* oklch */ color: oklch(26.8% 0.121 300.5);

Tailwind

colors: {
  custom: {
    50: '#6e5186',
    500: '#310d56',
    950: '#000000',
  },
}

SCSS

$custom: #310d56;
$custom-light: #6e5186;
$custom-dark: #000000;

JSON

{
  "hex": "#310d56",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 86
  },
  "hsl": {
    "h": 269.589,
    "s": 73.737,
    "l": 19.412
  },
  "oklch": {
    "l": 0.2678,
    "c": 0.12087,
    "h": 300.5
  },
  "luminance": 0.01613
}

Semantic roles & 50–950 ramp

primary

#310D56

secondary

#60912E

accent

#F03795

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #310D56

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

Preview Lab → · Contrast checker → · Palette generator →