#31178C#31178C

#31178C is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.175 H 281.7°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#31178C
RGB	rgb(49, 23, 140)
HSL	hsl(253, 72%, 32%)
HSV	hsv(253, 84%, 55%)
CMYK	cmyk(65%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(20.67, 44.35, -59.38)
CIE-LCH	lch(20.67, 74.12, 306.76°)
OKLab	oklab(33.62% 0.0354 -0.1713)
OKLCH	oklch(33.62% 0.175 281.7)
XYZ	xyz(6.3052, 3.1587, 25.0833)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31178C #728C17

analogous

#17388C #31178C #6C178C

triadic

#31178C #8C3117 #178C31

tetradic

#31178C #8C1738 #728C17 #178C6C

square

#31178C #8C1738 #728C17 #178C6C

split-complementary

#31178C #8C6C17 #388C17

monochromatic

#0C0623 #1F0E57 #31178C #4320C1 #623EDF

Accessibility & contrast

On white

12.87

#31178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#31178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31178C

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31178C	#FFFFFF	#000000	##FFFFFF
##31178C	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368F

Deuteranopia (green-blind)

#002E8A

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #31178c;
/* rgb */ color: rgb(49, 23, 140);
/* oklch */ color: oklch(33.6% 0.175 281.7);

Tailwind

colors: {
  custom: {
    50: '#7759af',
    500: '#31178c',
    950: '#000000',
  },
}

SCSS

$custom: #31178c;
$custom-light: #7759af;
$custom-dark: #000000;

JSON

{
  "hex": "#31178c",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 253.333,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33623,
    "c": 0.17495,
    "h": 281.7
  },
  "luminance": 0.03159
}

Semantic roles & 50–950 ramp

primary

#31178C

secondary

#A3BF3F

accent

#EF39C6

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #31178C

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

Preview Lab → · Contrast checker → · Palette generator →