#631A73#631A73

#631A73 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.9% C 0.152 H 319.7°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#631A73
RGB	rgb(99, 26, 115)
HSL	hsl(289, 63%, 28%)
HSV	hsv(289, 77%, 45%)
CMYK	cmyk(13.9%, 77.4%, 0%, 54.9%)
CIE-LAB	lab(25.65, 45.01, -35.15)
CIE-LCH	lch(25.65, 57.11, 322.01°)
OKLab	oklab(37.89% 0.1162 -0.0986)
OKLCH	oklch(37.89% 0.152 319.7)
XYZ	xyz(8.6091, 4.6297, 16.6565)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A73 #2A731A

analogous

#361A73 #631A73 #731A57

triadic

#631A73 #73631A #1A7363

tetradic

#631A73 #73361A #2A731A #1A5773

square

#631A73 #73361A #2A731A #1A5773

split-complementary

#631A73 #57731A #1A7336

monochromatic

#150619 #380F41 #631A73 #8E25A5 #B636D2

Accessibility & contrast

On white

10.90

#631A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#631A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A73

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A73	#FFFFFF	#000000	##FFFFFF
##631A73	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003875

Deuteranopia (green-blind)

#223F71

Tritanopia (blue-blind)

#632C45

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631a73;
/* rgb */ color: rgb(99, 26, 115);
/* oklch */ color: oklch(37.9% 0.152 319.7);

Tailwind

colors: {
  custom: {
    50: '#935f9c',
    500: '#631a73',
    950: '#000000',
  },
}

SCSS

$custom: #631a73;
$custom-light: #935f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#631a73",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 115
  },
  "hsl": {
    "h": 289.213,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37894,
    "c": 0.15237,
    "h": 319.7
  },
  "luminance": 0.04629
}

Semantic roles & 50–950 ramp

primary

#631A73

secondary

#53A841

accent

#E6425F

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631A73

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

Preview Lab → · Contrast checker → · Palette generator →