#31187C#31187C

#31187C is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.0% C 0.155 H 285.0°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#31187C
RGB	rgb(49, 24, 124)
HSL	hsl(255, 68%, 29%)
HSV	hsv(255, 81%, 49%)
CMYK	cmyk(60.5%, 80.6%, 0%, 51.4%)
CIE-LAB	lab(19.06, 39.06, -51.94)
CIE-LCH	lch(19.06, 64.99, 306.94°)
OKLab	oklab(31.98% 0.0401 -0.1496)
OKLCH	oklch(31.98% 0.155 285)
XYZ	xyz(5.2302, 2.7611, 19.3222)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31187C #637C18

analogous

#18317C #31187C #63187C

triadic

#31187C #7C3118 #187C31

tetradic

#31187C #7C1831 #637C18 #187C63

square

#31187C #7C1831 #637C18 #187C63

split-complementary

#31187C #7C6318 #317C18

monochromatic

#0A051A #1D0E49 #31187C #4522AF #5F36D8

Accessibility & contrast

On white

13.53

#31187C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#31187C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31187C

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31187C	#FFFFFF	#000000	##FFFFFF
##31187C	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#06354A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #31187c;
/* rgb */ color: rgb(49, 24, 124);
/* oklch */ color: oklch(32.0% 0.155 285.0);

Tailwind

colors: {
  custom: {
    50: '#7359a3',
    500: '#31187c',
    950: '#000000',
  },
}

SCSS

$custom: #31187c;
$custom-light: #7359a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31187c",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 124
  },
  "hsl": {
    "h": 255,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31981,
    "c": 0.15492,
    "h": 285
  },
  "luminance": 0.02761
}

Semantic roles & 50–950 ramp

primary

#31187C

secondary

#94B13F

accent

#EA3DBF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #31187C

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

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