#631987#631987

#631987 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.3% C 0.172 H 311.3°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#631987
RGB	rgb(99, 25, 135)
HSL	hsl(280, 69%, 31%)
HSV	hsv(280, 81%, 53%)
CMYK	cmyk(26.7%, 81.5%, 0%, 47.1%)
CIE-LAB	lab(27.01, 49.59, -45.61)
CIE-LCH	lch(27.01, 67.38, 317.39°)
OKLab	oklab(39.32% 0.1137 -0.1293)
OKLCH	oklch(39.32% 0.172 311.3)
XYZ	xyz(9.8656, 5.0974, 23.3812)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631987 #3D8719

analogous

#2C1987 #631987 #871974

triadic

#631987 #876319 #198763

tetradic

#631987 #872C19 #3D8719 #197487

square

#631987 #872C19 #3D8719 #197487

split-complementary

#631987 #748719 #19872C

monochromatic

#170620 #3D0F53 #631987 #8923BB #A83FDB

Accessibility & contrast

On white

10.40

#631987 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#631987 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631987

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631987	#FFFFFF	#000000	##FFFFFF
##631987	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8A

Deuteranopia (green-blind)

#004185

Tritanopia (blue-blind)

#5E3550

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #631987;
/* rgb */ color: rgb(99, 25, 135);
/* oklch */ color: oklch(39.3% 0.172 311.3);

Tailwind

colors: {
  custom: {
    50: '#9460ab',
    500: '#631987',
    950: '#000000',
  },
}

SCSS

$custom: #631987;
$custom-light: #9460ab;
$custom-dark: #000000;

JSON

{
  "hex": "#631987",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 135
  },
  "hsl": {
    "h": 280.364,
    "s": 68.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.39322,
    "c": 0.17217,
    "h": 311.3
  },
  "luminance": 0.05097
}

Semantic roles & 50–950 ramp

primary

#631987

secondary

#69BA41

accent

#EC3C76

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631987

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

Preview Lab → · Contrast checker → · Palette generator →