#631589#631589

#631589 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.2% C 0.178 H 310.9°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#631589
RGB	rgb(99, 21, 137)
HSL	hsl(280, 73%, 31%)
HSV	hsv(280, 85%, 54%)
CMYK	cmyk(27.7%, 84.7%, 0%, 46.3%)
CIE-LAB	lab(26.72, 51.33, -47.33)
CIE-LCH	lch(26.72, 69.82, 317.32°)
OKLab	oklab(39.17% 0.1163 -0.1343)
OKLCH	oklch(39.17% 0.178 310.9)
XYZ	xyz(9.9282, 4.9954, 24.1033)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631589 #3B8915

analogous

#291589 #631589 #891575

triadic

#631589 #896315 #158963

tetradic

#631589 #892915 #3B8915 #157589

square

#631589 #892915 #3B8915 #157589

split-complementary

#631589 #758915 #158929

monochromatic

#16051F #3D0D54 #631589 #891DBE #A938E0

Accessibility & contrast

On white

10.51

#631589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#631589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631589

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631589	#FFFFFF	#000000	##FFFFFF
##631589	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)

#003C8C

Deuteranopia (green-blind)

#004087

Tritanopia (blue-blind)

#5E3451

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631589;
/* rgb */ color: rgb(99, 21, 137);
/* oklch */ color: oklch(39.2% 0.178 310.9);

Tailwind

colors: {
  custom: {
    50: '#945eac',
    500: '#631589',
    950: '#000000',
  },
}

SCSS

$custom: #631589;
$custom-light: #945eac;
$custom-dark: #000000;

JSON

{
  "hex": "#631589",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 137
  },
  "hsl": {
    "h": 280.345,
    "s": 73.418,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3917,
    "c": 0.17767,
    "h": 310.9
  },
  "luminance": 0.04995
}

Semantic roles & 50–950 ramp

primary

#631589

secondary

#67BD3D

accent

#F03874

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631589

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

Preview Lab → · Contrast checker → · Palette generator →