#31147B#31147B

#31147B is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.4% C 0.157 H 285.9°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#31147B
RGB	rgb(49, 20, 123)
HSL	hsl(257, 72%, 28%)
HSV	hsv(257, 84%, 48%)
CMYK	cmyk(60.2%, 83.7%, 0%, 51.8%)
CIE-LAB	lab(18.29, 40.67, -52.57)
CIE-LCH	lch(18.29, 66.47, 307.73°)
OKLab	oklab(31.41% 0.0431 -0.1514)
OKLCH	oklch(31.41% 0.157 285.9)
XYZ	xyz(5.0908, 2.5830, 18.9654)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31147B #5E7B14

analogous

#142B7B #31147B #64147B

triadic

#31147B #7B3114 #147B31

tetradic

#31147B #7B142B #5E7B14 #147B64

square

#31147B #7B142B #5E7B14 #147B64

split-complementary

#31147B #7B6414 #2B7B14

monochromatic

#0A041A #1C0B46 #31147B #461DB0 #5E2DDD

Accessibility & contrast

On white

13.85

#31147B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#31147B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31147B

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31147B	#FFFFFF	#000000	##FFFFFF
##31147B	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7E

Deuteranopia (green-blind)

#002A79

Tritanopia (blue-blind)

#093348

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #31147b;
/* rgb */ color: rgb(49, 20, 123);
/* oklch */ color: oklch(31.4% 0.157 285.9);

Tailwind

colors: {
  custom: {
    50: '#7356a2',
    500: '#31147b',
    950: '#000000',
  },
}

SCSS

$custom: #31147b;
$custom-light: #7356a2;
$custom-dark: #000000;

JSON

{
  "hex": "#31147b",
  "rgb": {
    "r": 49,
    "g": 20,
    "b": 123
  },
  "hsl": {
    "h": 256.893,
    "s": 72.028,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31414,
    "c": 0.15745,
    "h": 285.9
  },
  "luminance": 0.02583
}

Semantic roles & 50–950 ramp

primary

#31147B

secondary

#8FB13A

accent

#EF39BC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31147B

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

Preview Lab → · Contrast checker → · Palette generator →