#31157A#31157A

#31157A is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.4% C 0.155 H 286.0°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#31157A
RGB	rgb(49, 21, 122)
HSL	hsl(257, 71%, 28%)
HSV	hsv(257, 83%, 48%)
CMYK	cmyk(59.8%, 82.8%, 0%, 52.2%)
CIE-LAB	lab(18.34, 39.91, -51.85)
CIE-LCH	lch(18.34, 65.44, 307.59°)
OKLab	oklab(31.42% 0.0428 -0.1494)
OKLCH	oklch(31.42% 0.155 286)
XYZ	xyz(5.0466, 2.5941, 18.6434)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31157A #5E7A15

analogous

#152B7A #31157A #63157A

triadic

#31157A #7A3115 #157A31

tetradic

#31157A #7A152B #5E7A15 #157A63

square

#31157A #7A152B #5E7A15 #157A63

split-complementary

#31157A #7A6315 #2B7A15

monochromatic

#0A041A #1C0C46 #31157A #461EAE #5E2EDB

Accessibility & contrast

On white

13.83

#31157A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#31157A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31157A

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31157A	#FFFFFF	#000000	##FFFFFF
##31157A	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7D

Deuteranopia (green-blind)

#002A78

Tritanopia (blue-blind)

#0B3348

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #31157a;
/* rgb */ color: rgb(49, 21, 122);
/* oklch */ color: oklch(31.4% 0.155 286.0);

Tailwind

colors: {
  custom: {
    50: '#7357a2',
    500: '#31157a',
    950: '#000000',
  },
}

SCSS

$custom: #31157a;
$custom-light: #7357a2;
$custom-dark: #000000;

JSON

{
  "hex": "#31157a",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 122
  },
  "hsl": {
    "h": 256.634,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31415,
    "c": 0.15536,
    "h": 286
  },
  "luminance": 0.02594
}

Semantic roles & 50–950 ramp

primary

#31157A

secondary

#8FAF3B

accent

#ED3ABC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31157A

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

Preview Lab → · Contrast checker → · Palette generator →