#631A71#631A71

#631A71 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.8% C 0.151 H 320.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#631A71
RGB	rgb(99, 26, 113)
HSL	hsl(290, 63%, 27%)
HSV	hsv(290, 77%, 44%)
CMYK	cmyk(12.4%, 77%, 0%, 55.7%)
CIE-LAB	lab(25.52, 44.61, -34.09)
CIE-LCH	lch(25.52, 56.14, 322.62°)
OKLab	oklab(37.75% 0.1164 -0.0955)
OKLCH	oklch(37.75% 0.151 320.6)
XYZ	xyz(8.4953, 4.5841, 16.0569)
Luminance	0.0458 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631A71 #28711A

analogous

#381A71 #631A71 #711A54

triadic

#631A71 #71631A #1A7163

tetradic

#631A71 #71381A #28711A #1A5471

square

#631A71 #71381A #28711A #1A5471

split-complementary

#631A71 #54711A #1A7138

monochromatic

#160619 #370F3F #631A71 #8F25A3 #B735D0

Accessibility & contrast

On white

10.96

#631A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#631A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631A71

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631A71	#FFFFFF	#000000	##FFFFFF
##631A71	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003773

Deuteranopia (green-blind)

#233F6F

Tritanopia (blue-blind)

#642B44

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #631a71;
/* rgb */ color: rgb(99, 26, 113);
/* oklch */ color: oklch(37.8% 0.151 320.6);

Tailwind

colors: {
  custom: {
    50: '#935f9a',
    500: '#631a71',
    950: '#000000',
  },
}

SCSS

$custom: #631a71;
$custom-light: #935f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#631a71",
  "rgb": {
    "r": 99,
    "g": 26,
    "b": 113
  },
  "hsl": {
    "h": 290.345,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37753,
    "c": 0.15052,
    "h": 320.6
  },
  "luminance": 0.04584
}

Semantic roles & 50–950 ramp

primary

#631A71

secondary

#51A641

accent

#E6425C

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631A71

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

Preview Lab → · Contrast checker → · Palette generator →