#310D54#310D54

#310D54 is a dark, moderate violet. Relative luminance 0.016; OKLCH L 26.6% C 0.119 H 301.5°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#310D54
RGB	rgb(49, 13, 84)
HSL	hsl(270, 73%, 19%)
HSV	hsv(270, 85%, 33%)
CMYK	cmyk(41.7%, 84.5%, 0%, 67.1%)
CIE-LAB	lab(13.11, 32.71, -35.39)
CIE-LCH	lch(13.11, 48.19, 312.75°)
OKLab	oklab(26.58% 0.062 -0.1011)
OKLCH	oklch(26.58% 0.119 301.5)
XYZ	xyz(3.0104, 1.5809, 8.5323)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.20

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D54 #30540D

analogous

#0E0D54 #310D54 #540D54

triadic

#310D54 #54310D #0D5431

tetradic

#310D54 #540E0D #30540D #0D5454

square

#310D54 #540E0D #30540D #0D5454

split-complementary

#310D54 #54540D #0D540E

monochromatic

#0F041A #12051F #310D54 #501589 #6F1DBE

Accessibility & contrast

On white

15.96

#310D54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#310D54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D54

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D54	#FFFFFF	#000000	##FFFFFF
##310D54	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002156

Deuteranopia (green-blind)

#002153

Tritanopia (blue-blind)

#292030

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #310d54;
/* rgb */ color: rgb(49, 13, 84);
/* oklch */ color: oklch(26.6% 0.119 301.5);

Tailwind

colors: {
  custom: {
    50: '#6d5085',
    500: '#310d54',
    950: '#000000',
  },
}

SCSS

$custom: #310d54;
$custom-light: #6d5085;
$custom-dark: #000000;

JSON

{
  "hex": "#310d54",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 84
  },
  "hsl": {
    "h": 270.423,
    "s": 73.196,
    "l": 19.02
  },
  "oklch": {
    "l": 0.26585,
    "c": 0.11857,
    "h": 301.5
  },
  "luminance": 0.01581
}

Semantic roles & 50–950 ramp

primary

#310D54

secondary

#5E8F2E

accent

#F03893

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #310D54

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

Preview Lab → · Contrast checker → · Palette generator →