#631871#631871

#631871 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.6% C 0.153 H 320.7°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#631871
RGB	rgb(99, 24, 113)
HSL	hsl(291, 65%, 27%)
HSV	hsv(291, 79%, 44%)
CMYK	cmyk(12.4%, 78.8%, 0%, 55.7%)
CIE-LAB	lab(25.26, 45.35, -34.50)
CIE-LCH	lch(25.26, 56.98, 322.74°)
OKLab	oklab(37.57% 0.1183 -0.0967)
OKLCH	oklch(37.57% 0.153 320.7)
XYZ	xyz(8.4525, 4.4986, 16.0427)
Luminance	0.0450 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631871 #267118

analogous

#371871 #631871 #711853

triadic

#631871 #716318 #187163

tetradic

#631871 #713718 #267118 #185371

square

#631871 #713718 #267118 #185371

split-complementary

#631871 #537118 #187137

monochromatic

#160519 #370D3F #631871 #8F23A3 #B930D3

Accessibility & contrast

On white

11.05

#631871 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#631871 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631871

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631871	#FFFFFF	#000000	##FFFFFF
##631871	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003773

Deuteranopia (green-blind)

#223E6F

Tritanopia (blue-blind)

#642A44

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #631871;
/* rgb */ color: rgb(99, 24, 113);
/* oklch */ color: oklch(37.6% 0.153 320.7);

Tailwind

colors: {
  custom: {
    50: '#935e9a',
    500: '#631871',
    950: '#000000',
  },
}

SCSS

$custom: #631871;
$custom-light: #935e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#631871",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 113
  },
  "hsl": {
    "h": 290.562,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.37568,
    "c": 0.15282,
    "h": 320.7
  },
  "luminance": 0.04498
}

Semantic roles & 50–950 ramp

primary

#631871

secondary

#4FA63E

accent

#E8405A

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631871

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

Preview Lab → · Contrast checker → · Palette generator →