#310F68#310F68

#310F68 is a dark, vivid violet. Relative luminance 0.020; OKLCH L 28.8% C 0.140 H 292.5°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#310F68
RGB	rgb(49, 15, 104)
HSL	hsl(263, 75%, 23%)
HSV	hsv(263, 86%, 41%)
CMYK	cmyk(52.9%, 85.6%, 0%, 59.2%)
CIE-LAB	lab(15.46, 37.39, -44.93)
CIE-LCH	lch(15.46, 58.45, 309.77°)
OKLab	oklab(28.83% 0.0534 -0.1291)
OKLCH	oklch(28.83% 0.14 292.5)
XYZ	xyz(3.9354, 1.9939, 13.2715)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F68 #46680F

analogous

#0F1A68 #310F68 #5D0F68

triadic

#310F68 #68310F #0F6831

tetradic

#310F68 #680F1A #46680F #0F685D

square

#310F68 #680F1A #46680F #0F685D

split-complementary

#310F68 #685D0F #1A680F

monochromatic

#0D041B #180733 #310F68 #4A179D #631ED3

Accessibility & contrast

On white

15.01

#310F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#310F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F68

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F68	#FFFFFF	#000000	##FFFFFF
##310F68	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286A

Deuteranopia (green-blind)

#002566

Tritanopia (blue-blind)

#1F293C

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #310f68;
/* rgb */ color: rgb(49, 15, 104);
/* oklch */ color: oklch(28.8% 0.140 292.5);

Tailwind

colors: {
  custom: {
    50: '#705394',
    500: '#310f68',
    950: '#000000',
  },
}

SCSS

$custom: #310f68;
$custom-light: #705394;
$custom-dark: #000000;

JSON

{
  "hex": "#310f68",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 104
  },
  "hsl": {
    "h": 262.921,
    "s": 74.79,
    "l": 23.333
  },
  "oklch": {
    "l": 0.28834,
    "c": 0.13968,
    "h": 292.5
  },
  "luminance": 0.01994
}

Semantic roles & 50–950 ramp

primary

#310F68

secondary

#76A132

accent

#F136AA

background

#F7F4F9

surface

#EDE7F1

border

#C8C3CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #310F68

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

Preview Lab → · Contrast checker → · Palette generator →