#31188B#31188B

#31188B is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.173 H 281.7°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#31188B
RGB	rgb(49, 24, 139)
HSL	hsl(253, 71%, 32%)
HSV	hsv(253, 83%, 55%)
CMYK	cmyk(64.7%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(20.71, 43.59, -58.69)
CIE-LCH	lch(20.71, 73.11, 306.61°)
OKLab	oklab(33.62% 0.0352 -0.1693)
OKLCH	oklch(33.62% 0.173 281.7)
XYZ	xyz(6.2520, 3.1699, 24.7035)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31188B #728B18

analogous

#18398B #31188B #6A188B

triadic

#31188B #8B3118 #188B31

tetradic

#31188B #8B1839 #728B18 #188B6A

square

#31188B #8B1839 #728B18 #188B6A

split-complementary

#31188B #8B6A18 #398B18

monochromatic

#0C0623 #1F0F57 #31188B #4321BF #623FDE

Accessibility & contrast

On white

12.85

#31188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#31188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31188B

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31188B	#FFFFFF	#000000	##FFFFFF
##31188B	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002E89

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #31188b;
/* rgb */ color: rgb(49, 24, 139);
/* oklch */ color: oklch(33.6% 0.173 281.7);

Tailwind

colors: {
  custom: {
    50: '#765aae',
    500: '#31188b',
    950: '#000000',
  },
}

SCSS

$custom: #31188b;
$custom-light: #765aae;
$custom-dark: #000000;

JSON

{
  "hex": "#31188b",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 253.043,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33619,
    "c": 0.17294,
    "h": 281.7
  },
  "luminance": 0.0317
}

Semantic roles & 50–950 ramp

primary

#31188B

secondary

#A3BE40

accent

#ED3AC6

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #31188B

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

Preview Lab → · Contrast checker → · Palette generator →