#631D77#631D77

#631D77 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.5% C 0.153 H 317.6°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#631D77
RGB	rgb(99, 29, 119)
HSL	hsl(287, 61%, 29%)
HSV	hsv(287, 76%, 47%)
CMYK	cmyk(16.8%, 75.6%, 0%, 53.3%)
CIE-LAB	lab(26.34, 44.66, -36.59)
CIE-LCH	lch(26.34, 57.74, 320.67°)
OKLab	oklab(38.47% 0.1127 -0.1028)
OKLCH	oklch(38.47% 0.153 317.6)
XYZ	xyz(8.9142, 4.8637, 17.9184)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631D77 #31771D

analogous

#361D77 #631D77 #771D5E

triadic

#631D77 #77631D #1D7763

tetradic

#631D77 #77361D #31771D #1D5E77

square

#631D77 #77361D #31771D #1D5E77

split-complementary

#631D77 #5E771D #1D7736

monochromatic

#140619 #3A1146 #631D77 #8C29A8 #B03ED0

Accessibility & contrast

On white

10.65

#631D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#631D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631D77

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631D77	#FFFFFF	#000000	##FFFFFF
##631D77	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7A

Deuteranopia (green-blind)

#204075

Tritanopia (blue-blind)

#622F48

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #631d77;
/* rgb */ color: rgb(99, 29, 119);
/* oklch */ color: oklch(38.5% 0.153 317.6);

Tailwind

colors: {
  custom: {
    50: '#93619f',
    500: '#631d77',
    950: '#000000',
  },
}

SCSS

$custom: #631d77;
$custom-light: #93619f;
$custom-dark: #000000;

JSON

{
  "hex": "#631d77",
  "rgb": {
    "r": 99,
    "g": 29,
    "b": 119
  },
  "hsl": {
    "h": 286.667,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38473,
    "c": 0.15255,
    "h": 317.6
  },
  "luminance": 0.04863
}

Semantic roles & 50–950 ramp

primary

#631D77

secondary

#5CAB45

accent

#E44467

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631D77

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

Preview Lab → · Contrast checker → · Palette generator →