#631F87#631F87

#631F87 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 39.9% C 0.166 H 310.8°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#631F87
RGB	rgb(99, 31, 135)
HSL	hsl(279, 63%, 33%)
HSV	hsv(279, 77%, 53%)
CMYK	cmyk(26.7%, 77%, 0%, 47.1%)
CIE-LAB	lab(27.80, 47.33, -44.33)
CIE-LCH	lch(27.80, 64.85, 316.87°)
OKLab	oklab(39.88% 0.1083 -0.1256)
OKLCH	oklch(39.88% 0.166 310.8)
XYZ	xyz(10.0079, 5.3821, 23.4286)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631F87 #43871F

analogous

#2F1F87 #631F87 #871F77

triadic

#631F87 #87631F #1F8763

tetradic

#631F87 #872F1F #43871F #1F7787

square

#631F87 #872F1F #43871F #1F7787

split-complementary

#631F87 #77871F #1F872F

monochromatic

#1A0823 #3F1455 #631F87 #872AB9 #A64BD6

Accessibility & contrast

On white

10.11

#631F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#631F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631F87

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631F87	#FFFFFF	#000000	##FFFFFF
##631F87	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8A

Deuteranopia (green-blind)

#084385

Tritanopia (blue-blind)

#5E3752

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #631f87;
/* rgb */ color: rgb(99, 31, 135);
/* oklch */ color: oklch(39.9% 0.166 310.8);

Tailwind

colors: {
  custom: {
    50: '#9362ab',
    500: '#631f87',
    950: '#000000',
  },
}

SCSS

$custom: #631f87;
$custom-light: #9362ab;
$custom-dark: #000000;

JSON

{
  "hex": "#631f87",
  "rgb": {
    "r": 99,
    "g": 31,
    "b": 135
  },
  "hsl": {
    "h": 279.231,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39875,
    "c": 0.16582,
    "h": 310.8
  },
  "luminance": 0.05382
}

Semantic roles & 50–950 ramp

primary

#631F87

secondary

#70B84A

accent

#E6427B

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0610

muted

#7E7A7F

Preview Lab

Preview with #631F87

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

Preview Lab → · Contrast checker → · Palette generator →