#631A87#631A87

#631A87 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.4% C 0.171 H 311.2°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#631A87
RGB	rgb(99, 26, 135)
HSL	hsl(280, 68%, 32%)
HSV	hsv(280, 81%, 53%)
CMYK	cmyk(26.7%, 80.7%, 0%, 47.1%)
CIE-LAB	lab(27.13, 49.24, -45.41)
CIE-LCH	lch(27.13, 66.98, 317.31°)
OKLab	oklab(39.41% 0.1129 -0.1287)
OKLCH	oklch(39.41% 0.171 311.2)
XYZ	xyz(9.8873, 5.1410, 23.3884)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A87 #3E871A

analogous

#2C1A87 #631A87 #871A75

triadic

#631A87 #87631A #1A8763

tetradic

#631A87 #872C1A #3E871A #1A7587

square

#631A87 #872C1A #3E871A #1A7587

split-complementary

#631A87 #75871A #1A872C

monochromatic

#180620 #3D1054 #631A87 #8924BA #A841DA

Accessibility & contrast

On white

10.35

#631A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#631A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A87

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A87	#FFFFFF	#000000	##FFFFFF
##631A87	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8A

Deuteranopia (green-blind)

#004185

Tritanopia (blue-blind)

#5E3551

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #631a87;
/* rgb */ color: rgb(99, 26, 135);
/* oklch */ color: oklch(39.4% 0.171 311.2);

Tailwind

colors: {
  custom: {
    50: '#9460ab',
    500: '#631a87',
    950: '#000000',
  },
}

SCSS

$custom: #631a87;
$custom-light: #9460ab;
$custom-dark: #000000;

JSON

{
  "hex": "#631a87",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 135
  },
  "hsl": {
    "h": 280.183,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39407,
    "c": 0.17118,
    "h": 311.2
  },
  "luminance": 0.05141
}

Semantic roles & 50–950 ramp

primary

#631A87

secondary

#6ABA42

accent

#EB3D76

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631A87

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

Preview Lab → · Contrast checker → · Palette generator →