#310F5E#310F5E

#310F5E is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.8% C 0.128 H 296.4°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#310F5E
RGB	rgb(49, 15, 94)
HSL	hsl(266, 72%, 21%)
HSV	hsv(266, 84%, 37%)
CMYK	cmyk(47.9%, 84%, 0%, 63.1%)
CIE-LAB	lab(14.42, 34.56, -40.01)
CIE-LCH	lch(14.42, 52.87, 310.83°)
OKLab	oklab(27.8% 0.057 -0.1146)
OKLCH	oklch(27.8% 0.128 296.4)
XYZ	xyz(3.4573, 1.8027, 10.7533)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.27

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F5E #3C5E0F

analogous

#0F155E #310F5E #590F5E

triadic

#310F5E #5E310F #0F5E31

tetradic

#310F5E #5E0F15 #3C5E0F #0F5E59

square

#310F5E #5E0F15 #3C5E0F #0F5E59

split-complementary

#310F5E #5E590F #155E0F

monochromatic

#0E041A #150729 #310F5E #4D1793 #6820C8

Accessibility & contrast

On white

15.43

#310F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#310F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F5E

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F5E	#FFFFFF	#000000	##FFFFFF
##310F5E	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#00235D

Tritanopia (blue-blind)

#252536

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #310f5e;
/* rgb */ color: rgb(49, 15, 94);
/* oklch */ color: oklch(27.8% 0.128 296.4);

Tailwind

colors: {
  custom: {
    50: '#6f528c',
    500: '#310f5e',
    950: '#000000',
  },
}

SCSS

$custom: #310f5e;
$custom-light: #6f528c;
$custom-dark: #000000;

JSON

{
  "hex": "#310f5e",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 94
  },
  "hsl": {
    "h": 265.823,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.27797,
    "c": 0.12801,
    "h": 296.4
  },
  "luminance": 0.01803
}

Semantic roles & 50–950 ramp

primary

#310F5E

secondary

#6B9731

accent

#EF39A1

background

#F6F4F8

surface

#ECE7F0

border

#C7C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #310F5E

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

Preview Lab → · Contrast checker → · Palette generator →