#631983#631983

#631983 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.0% C 0.168 H 312.9°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#631983
RGB	rgb(99, 25, 131)
HSL	hsl(282, 68%, 31%)
HSV	hsv(282, 81%, 51%)
CMYK	cmyk(24.4%, 80.9%, 0%, 48.6%)
CIE-LAB	lab(26.70, 48.72, -43.61)
CIE-LCH	lch(26.70, 65.39, 318.17°)
OKLab	oklab(39% 0.1146 -0.1234)
OKLCH	oklch(39% 0.168 312.9)
XYZ	xyz(9.5892, 4.9869, 21.9258)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631983 #398319

analogous

#2E1983 #631983 #83196E

triadic

#631983 #836319 #198363

tetradic

#631983 #832E19 #398319 #196E83

square

#631983 #832E19 #398319 #196E83

split-complementary

#631983 #6E8319 #19832E

monochromatic

#15051C #3C0F50 #631983 #8A23B6 #AA3DDA

Accessibility & contrast

On white

10.51

#631983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#631983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631983

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631983	#FFFFFF	#000000	##FFFFFF
##631983	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)

#003B86

Deuteranopia (green-blind)

#084181

Tritanopia (blue-blind)

#5F334E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #631983;
/* rgb */ color: rgb(99, 25, 131);
/* oklch */ color: oklch(39.0% 0.168 312.9);

Tailwind

colors: {
  custom: {
    50: '#945fa8',
    500: '#631983',
    950: '#000000',
  },
}

SCSS

$custom: #631983;
$custom-light: #945fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#631983",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 131
  },
  "hsl": {
    "h": 281.887,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.39003,
    "c": 0.16841,
    "h": 312.9
  },
  "luminance": 0.04987
}

Semantic roles & 50–950 ramp

primary

#631983

secondary

#65B741

accent

#EB3D71

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #631983

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

Preview Lab → · Contrast checker → · Palette generator →