#310F5D#310F5D

#310F5D is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.7% C 0.127 H 296.9°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#310F5D
RGB	rgb(49, 15, 93)
HSL	hsl(266, 72%, 21%)
HSV	hsv(266, 84%, 36%)
CMYK	cmyk(47.3%, 83.9%, 0%, 63.5%)
CIE-LAB	lab(14.32, 34.28, -39.50)
CIE-LCH	lch(14.32, 52.30, 310.95°)
OKLab	oklab(27.7% 0.0573 -0.1131)
OKLCH	oklch(27.7% 0.127 296.9)
XYZ	xyz(3.4127, 1.7849, 10.5185)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.25

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F5D #3B5D0F

analogous

#0F145D #310F5D #580F5D

triadic

#310F5D #5D310F #0F5D31

tetradic

#310F5D #5D0F14 #3B5D0F #0F5D58

square

#310F5D #5D0F14 #3B5D0F #0F5D58

split-complementary

#310F5D #5D580F #145D0F

monochromatic

#0E041A #150628 #310F5D #4D1792 #6920C6

Accessibility & contrast

On white

15.48

#310F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#310F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F5D

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F5D	#FFFFFF	#000000	##FFFFFF
##310F5D	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#00235C

Tritanopia (blue-blind)

#252536

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #310f5d;
/* rgb */ color: rgb(49, 15, 93);
/* oklch */ color: oklch(27.7% 0.127 296.9);

Tailwind

colors: {
  custom: {
    50: '#6f528c',
    500: '#310f5d',
    950: '#000000',
  },
}

SCSS

$custom: #310f5d;
$custom-light: #6f528c;
$custom-dark: #000000;

JSON

{
  "hex": "#310f5d",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 93
  },
  "hsl": {
    "h": 266.154,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.27696,
    "c": 0.12684,
    "h": 296.9
  },
  "luminance": 0.01785
}

Semantic roles & 50–950 ramp

primary

#310F5D

secondary

#6A9631

accent

#EF39A0

background

#F6F4F8

surface

#ECE7F0

border

#C7C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #310F5D

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

Preview Lab → · Contrast checker → · Palette generator →