#631689#631689

#631689 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.2% C 0.177 H 310.8°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#631689
RGB	rgb(99, 22, 137)
HSL	hsl(280, 72%, 31%)
HSV	hsv(280, 84%, 54%)
CMYK	cmyk(27.7%, 83.9%, 0%, 46.3%)
CIE-LAB	lab(26.83, 51.02, -47.15)
CIE-LCH	lch(26.83, 69.47, 317.25°)
OKLab	oklab(39.24% 0.1156 -0.1338)
OKLCH	oklch(39.24% 0.177 310.8)
XYZ	xyz(9.9470, 5.0329, 24.1095)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631689 #3C8916

analogous

#291689 #631689 #891675

triadic

#631689 #896316 #168963

tetradic

#631689 #892916 #3C8916 #167589

square

#631689 #892916 #3C8916 #167589

split-complementary

#631689 #758916 #168929

monochromatic

#170520 #3D0E54 #631689 #891EBE #A93ADF

Accessibility & contrast

On white

10.47

#631689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#631689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631689

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631689	#FFFFFF	#000000	##FFFFFF
##631689	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8C

Deuteranopia (green-blind)

#004187

Tritanopia (blue-blind)

#5E3451

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631689;
/* rgb */ color: rgb(99, 22, 137);
/* oklch */ color: oklch(39.2% 0.177 310.8);

Tailwind

colors: {
  custom: {
    50: '#945fac',
    500: '#631689',
    950: '#000000',
  },
}

SCSS

$custom: #631689;
$custom-light: #945fac;
$custom-dark: #000000;

JSON

{
  "hex": "#631689",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 137
  },
  "hsl": {
    "h": 280.174,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39244,
    "c": 0.17682,
    "h": 310.8
  },
  "luminance": 0.05033
}

Semantic roles & 50–950 ramp

primary

#631689

secondary

#68BD3E

accent

#EF3975

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631689

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

Preview Lab → · Contrast checker → · Palette generator →