#631F82#631F82

#631F82 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.5% C 0.161 H 312.7°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#631F82
RGB	rgb(99, 31, 130)
HSL	hsl(281, 61%, 32%)
HSV	hsv(281, 76%, 51%)
CMYK	cmyk(23.8%, 76.2%, 0%, 49%)
CIE-LAB	lab(27.42, 46.21, -41.81)
CIE-LCH	lch(27.42, 62.32, 317.86°)
OKLab	oklab(39.49% 0.1091 -0.1182)
OKLCH	oklch(39.49% 0.161 312.7)
XYZ	xyz(9.6641, 5.2446, 21.6180)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.43

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F82 #3E821F

analogous

#321F82 #631F82 #821F70

triadic

#631F82 #82631F #1F8263

tetradic

#631F82 #82321F #3E821F #1F7082

square

#631F82 #82321F #3E821F #1F7082

split-complementary

#631F82 #70821F #1F8232

monochromatic

#18071F #3D1351 #631F82 #892BB3 #A848D3

Accessibility & contrast

On white

10.25

#631F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#631F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F82

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F82	#FFFFFF	#000000	##FFFFFF
##631F82	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D85

Deuteranopia (green-blind)

#134280

Tritanopia (blue-blind)

#5F354F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #631f82;
/* rgb */ color: rgb(99, 31, 130);
/* oklch */ color: oklch(39.5% 0.161 312.7);

Tailwind

colors: {
  custom: {
    50: '#9362a7',
    500: '#631f82',
    950: '#000000',
  },
}

SCSS

$custom: #631f82;
$custom-light: #9362a7;
$custom-dark: #000000;

JSON

{
  "hex": "#631f82",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 130
  },
  "hsl": {
    "h": 281.212,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3949,
    "c": 0.16087,
    "h": 312.7
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#631F82

secondary

#6AB548

accent

#E54376

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D050F

muted

#7E7A7F

Preview Lab

Preview with #631F82

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

Preview Lab → · Contrast checker → · Palette generator →