#631576#631576

#631576 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.7% C 0.160 H 318.6°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#631576
RGB	rgb(99, 21, 118)
HSL	hsl(288, 70%, 27%)
HSV	hsv(288, 82%, 46%)
CMYK	cmyk(16.1%, 82.2%, 0%, 53.7%)
CIE-LAB	lab(25.25, 47.38, -37.71)
CIE-LCH	lch(25.25, 60.56, 321.48°)
OKLab	oklab(37.68% 0.1204 -0.1061)
OKLCH	oklch(37.68% 0.16 318.6)
XYZ	xyz(8.6833, 4.4974, 17.5467)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631576 #287615

analogous

#321576 #631576 #761559

triadic

#631576 #766315 #157663

tetradic

#631576 #763215 #287615 #155976

square

#631576 #763215 #287615 #155976

split-complementary

#631576 #597615 #157632

monochromatic

#16051A #370C42 #631576 #8F1EAA #B72CD9

Accessibility & contrast

On white

11.06

#631576 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#631576 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631576

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631576	#FFFFFF	#000000	##FFFFFF
##631576	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003779

Deuteranopia (green-blind)

#1B3E74

Tritanopia (blue-blind)

#632B46

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #631576;
/* rgb */ color: rgb(99, 21, 118);
/* oklch */ color: oklch(37.7% 0.160 318.6);

Tailwind

colors: {
  custom: {
    50: '#935d9e',
    500: '#631576',
    950: '#000000',
  },
}

SCSS

$custom: #631576;
$custom-light: #935d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#631576",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 118
  },
  "hsl": {
    "h": 288.247,
    "s": 69.784,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37678,
    "c": 0.16046,
    "h": 318.6
  },
  "luminance": 0.04497
}

Semantic roles & 50–950 ramp

primary

#631576

secondary

#51AC3B

accent

#ED3B5E

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631576

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

Preview Lab → · Contrast checker → · Palette generator →