#310E57#310E57

#310E57 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.0% C 0.121 H 299.8°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#310E57
RGB	rgb(49, 14, 87)
HSL	hsl(269, 72%, 20%)
HSV	hsv(269, 84%, 34%)
CMYK	cmyk(43.7%, 83.9%, 0%, 65.9%)
CIE-LAB	lab(13.56, 33.07, -36.69)
CIE-LCH	lch(13.56, 49.40, 312.03°)
OKLab	oklab(26.99% 0.0601 -0.1049)
OKLCH	oklch(26.99% 0.121 299.8)
XYZ	xyz(3.1435, 1.6551, 9.1688)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.36

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310E57 #34570E

analogous

#0E1057 #310E57 #560E57

triadic

#310E57 #57310E #0E5731

tetradic

#310E57 #570E10 #34570E #0E5756

square

#310E57 #570E10 #34570E #0E5756

split-complementary

#310E57 #57560E #10570E

monochromatic

#0F041A #130622 #310E57 #4F168C #6C1FC0

Accessibility & contrast

On white

15.78

#310E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#310E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310E57

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310E57	#FFFFFF	#000000	##FFFFFF
##310E57	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002359

Deuteranopia (green-blind)

#002256

Tritanopia (blue-blind)

#282232

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #310e57;
/* rgb */ color: rgb(49, 14, 87);
/* oklch */ color: oklch(27.0% 0.121 299.8);

Tailwind

colors: {
  custom: {
    50: '#6e5187',
    500: '#310e57',
    950: '#000000',
  },
}

SCSS

$custom: #310e57;
$custom-light: #6e5187;
$custom-dark: #000000;

JSON

{
  "hex": "#310e57",
  "rgb": {
    "r": 49,
    "g": 14,
    "b": 87
  },
  "hsl": {
    "h": 268.767,
    "s": 72.277,
    "l": 19.804
  },
  "oklch": {
    "l": 0.26988,
    "c": 0.12092,
    "h": 299.8
  },
  "luminance": 0.01655
}

Semantic roles & 50–950 ramp

primary

#310E57

secondary

#629130

accent

#EF3998

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #310E57

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

Preview Lab → · Contrast checker → · Palette generator →