#631786#631786

#631786 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.1% C 0.173 H 311.9°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#631786
RGB	rgb(99, 23, 134)
HSL	hsl(281, 71%, 31%)
HSV	hsv(281, 83%, 53%)
CMYK	cmyk(26.1%, 82.8%, 0%, 47.5%)
CIE-LAB	lab(26.70, 50.05, -45.49)
CIE-LCH	lch(26.70, 67.64, 317.73°)
OKLab	oklab(39.08% 0.1156 -0.1289)
OKLCH	oklch(39.08% 0.173 311.9)
XYZ	xyz(9.7543, 4.9869, 22.9984)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631786 #3A8617

analogous

#2B1786 #631786 #861771

triadic

#631786 #866317 #178663

tetradic

#631786 #862B17 #3A8617 #177186

square

#631786 #862B17 #3A8617 #177186

split-complementary

#631786 #718617 #17862B

monochromatic

#16051E #3C0E52 #631786 #8A20BA #AA3ADD

Accessibility & contrast

On white

10.51

#631786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#631786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631786

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631786	#FFFFFF	#000000	##FFFFFF
##631786	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C89

Deuteranopia (green-blind)

#004084

Tritanopia (blue-blind)

#5F334F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631786;
/* rgb */ color: rgb(99, 23, 134);
/* oklch */ color: oklch(39.1% 0.173 311.9);

Tailwind

colors: {
  custom: {
    50: '#945faa',
    500: '#631786',
    950: '#000000',
  },
}

SCSS

$custom: #631786;
$custom-light: #945faa;
$custom-dark: #000000;

JSON

{
  "hex": "#631786",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 134
  },
  "hsl": {
    "h": 281.081,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39078,
    "c": 0.17314,
    "h": 311.9
  },
  "luminance": 0.04987
}

Semantic roles & 50–950 ramp

primary

#631786

secondary

#66BA3F

accent

#ED3A73

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631786

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

Preview Lab → · Contrast checker → · Palette generator →