#631083#631083

#631083 is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.3% C 0.176 H 313.5°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#631083
RGB	rgb(99, 16, 131)
HSL	hsl(283, 78%, 29%)
HSV	hsv(283, 88%, 51%)
CMYK	cmyk(24.4%, 87.8%, 0%, 48.6%)
CIE-LAB	lab(25.75, 51.49, -45.15)
CIE-LCH	lch(25.75, 68.48, 318.75°)
OKLab	oklab(38.34% 0.1213 -0.1279)
OKLCH	oklch(38.34% 0.176 313.5)
XYZ	xyz(9.4269, 4.6622, 21.8717)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Indigo

#4B0082

ΔE00 5.04

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631083 #308310

analogous

#2A1083 #631083 #83106A

triadic

#631083 #836310 #108363

tetradic

#631083 #832A10 #308310 #106A83

square

#631083 #832A10 #308310 #106A83

split-complementary

#631083 #6A8310 #10832A

monochromatic

#15031B #3A094C #631083 #8C17BA #B029E5

Accessibility & contrast

On white

10.87

#631083 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#631083 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631083

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631083	#FFFFFF	#000000	##FFFFFF
##631083	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#003F81

Tritanopia (blue-blind)

#5F2F4C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #631083;
/* rgb */ color: rgb(99, 16, 131);
/* oklch */ color: oklch(38.3% 0.176 313.5);

Tailwind

colors: {
  custom: {
    50: '#945ca8',
    500: '#631083',
    950: '#000000',
  },
}

SCSS

$custom: #631083;
$custom-light: #945ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#631083",
  "rgb": {
    "r": 99,
    "g": 16,
    "b": 131
  },
  "hsl": {
    "h": 283.304,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.38341,
    "c": 0.17626,
    "h": 313.5
  },
  "luminance": 0.04662
}

Semantic roles & 50–950 ramp

primary

#631083

secondary

#5AB936

accent

#F53369

background

#F9F5FA

surface

#F2E9F4

border

#CCC5CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631083

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

Preview Lab → · Contrast checker → · Palette generator →