#631171#631171

#631171 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 37.0% C 0.160 H 321.1°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#631171
RGB	rgb(99, 17, 113)
HSL	hsl(291, 74%, 25%)
HSV	hsv(291, 85%, 44%)
CMYK	cmyk(12.4%, 85%, 0%, 55.7%)
CIE-LAB	lab(24.47, 47.62, -35.77)
CIE-LCH	lch(24.47, 59.56, 323.09°)
OKLab	oklab(37.01% 0.1244 -0.1003)
OKLCH	oklch(37.01% 0.16 321.1)
XYZ	xyz(8.3263, 4.2463, 16.0006)
Luminance	0.0425 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631171 #1F7111

analogous

#331171 #631171 #71114F

triadic

#631171 #716311 #117163

tetradic

#631171 #713311 #1F7111 #114F71

square

#631171 #713311 #1F7111 #114F71

split-complementary

#631171 #4F7111 #117133

monochromatic

#17041B #34093C #631171 #9219A6 #C021DB

Accessibility & contrast

On white

11.36

#631171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#631171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631171

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631171	#FFFFFF	#000000	##FFFFFF
##631171	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#1E3D6F

Tritanopia (blue-blind)

#642642

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #631171;
/* rgb */ color: rgb(99, 17, 113);
/* oklch */ color: oklch(37.0% 0.160 321.1);

Tailwind

colors: {
  custom: {
    50: '#935c9a',
    500: '#631171',
    950: '#000000',
  },
}

SCSS

$custom: #631171;
$custom-light: #935c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#631171",
  "rgb": {
    "r": 99,
    "g": 17,
    "b": 113
  },
  "hsl": {
    "h": 291.25,
    "s": 73.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37012,
    "c": 0.15982,
    "h": 321.1
  },
  "luminance": 0.04246
}

Semantic roles & 50–950 ramp

primary

#631171

secondary

#46A836

accent

#F13752

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D040E

muted

#7E797E

Preview Lab

Preview with #631171

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

Preview Lab → · Contrast checker → · Palette generator →