#631281#631281

#631281 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.3% C 0.173 H 314.2°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#631281
RGB	rgb(99, 18, 129)
HSL	hsl(284, 76%, 29%)
HSV	hsv(284, 86%, 51%)
CMYK	cmyk(23.3%, 86%, 0%, 49.4%)
CIE-LAB	lab(25.77, 50.53, -43.85)
CIE-LCH	lch(25.77, 66.90, 319.05°)
OKLab	oklab(38.31% 0.1205 -0.1241)
OKLCH	oklch(38.31% 0.173 314.2)
XYZ	xyz(9.3237, 4.6706, 21.1750)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 5.29

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631281 #308112

analogous

#2C1281 #631281 #811268

triadic

#631281 #816312 #128163

tetradic

#631281 #812C12 #308112 #126881

square

#631281 #812C12 #308112 #126881

split-complementary

#631281 #688112 #12812C

monochromatic

#15041B #3A0B4B #631281 #8C19B7 #B02CE2

Accessibility & contrast

On white

10.86

#631281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#631281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631281

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631281	#FFFFFF	#000000	##FFFFFF
##631281	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003984

Deuteranopia (green-blind)

#033F7F

Tritanopia (blue-blind)

#602F4C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631281;
/* rgb */ color: rgb(99, 18, 129);
/* oklch */ color: oklch(38.3% 0.173 314.2);

Tailwind

colors: {
  custom: {
    50: '#945da6',
    500: '#631281',
    950: '#000000',
  },
}

SCSS

$custom: #631281;
$custom-light: #945da6;
$custom-dark: #000000;

JSON

{
  "hex": "#631281",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 129
  },
  "hsl": {
    "h": 283.784,
    "s": 75.51,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38308,
    "c": 0.17294,
    "h": 314.2
  },
  "luminance": 0.0467
}

Semantic roles & 50–950 ramp

primary

#631281

secondary

#5AB738

accent

#F23669

background

#F9F5FA

surface

#F2E9F4

border

#CCC5CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #631281

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

Preview Lab → · Contrast checker → · Palette generator →