#310F5A#310F5A

#310F5A is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.4% C 0.123 H 298.2°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#310F5A
RGB	rgb(49, 15, 90)
HSL	hsl(267, 71%, 21%)
HSV	hsv(267, 83%, 35%)
CMYK	cmyk(45.6%, 83.3%, 0%, 64.7%)
CIE-LAB	lab(14.02, 33.44, -37.98)
CIE-LCH	lch(14.02, 50.60, 311.37°)
OKLab	oklab(27.4% 0.0583 -0.1087)
OKLCH	oklch(27.4% 0.123 298.2)
XYZ	xyz(3.2824, 1.7327, 9.8324)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 3.26

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F5A #385A0F

analogous

#0F125A #310F5A #560F5A

triadic

#310F5A #5A310F #0F5A31

tetradic

#310F5A #5A0F12 #385A0F #0F5A56

square

#310F5A #5A0F12 #385A0F #0F5A56

split-complementary

#310F5A #5A560F #125A0F

monochromatic

#0E041A #140626 #310F5A #4E188E #6A20C3

Accessibility & contrast

On white

15.59

#310F5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#310F5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F5A

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F5A	#FFFFFF	#000000	##FFFFFF
##310F5A	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245C

Deuteranopia (green-blind)

#002359

Tritanopia (blue-blind)

#272334

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #310f5a;
/* rgb */ color: rgb(49, 15, 90);
/* oklch */ color: oklch(27.4% 0.123 298.2);

Tailwind

colors: {
  custom: {
    50: '#6e5289',
    500: '#310f5a',
    950: '#000000',
  },
}

SCSS

$custom: #310f5a;
$custom-light: #6e5289;
$custom-dark: #000000;

JSON

{
  "hex": "#310f5a",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 90
  },
  "hsl": {
    "h": 267.2,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.27396,
    "c": 0.12331,
    "h": 298.2
  },
  "luminance": 0.01733
}

Semantic roles & 50–950 ramp

primary

#310F5A

secondary

#679431

accent

#EE3A9C

background

#F6F4F8

surface

#ECE7F0

border

#C7C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #310F5A

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

Preview Lab → · Contrast checker → · Palette generator →