#631173#631173

#631173 is a dark, vivid purple. Relative luminance 0.043; OKLCH L 37.2% C 0.162 H 320.2°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#631173
RGB	rgb(99, 17, 115)
HSL	hsl(290, 74%, 26%)
HSV	hsv(290, 85%, 45%)
CMYK	cmyk(13.9%, 85.2%, 0%, 54.9%)
CIE-LAB	lab(24.61, 48.01, -36.82)
CIE-LCH	lch(24.61, 60.50, 322.52°)
OKLab	oklab(37.16% 0.1241 -0.1034)
OKLCH	oklch(37.16% 0.162 320.2)
XYZ	xyz(8.4402, 4.2918, 16.6002)
Luminance	0.0429 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Darkish Purple

#751973

ΔE00 4.41

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631173 #217311

analogous

#321173 #631173 #731152

triadic

#631173 #736311 #117363

tetradic

#631173 #733211 #217311 #115273

square

#631173 #733211 #217311 #115273

split-complementary

#631173 #527311 #117332

monochromatic

#17041B #35093E #631173 #9119A8 #BF21DE

Accessibility & contrast

On white

11.30

#631173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#631173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631173

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631173	#FFFFFF	#000000	##FFFFFF
##631173	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003576

Deuteranopia (green-blind)

#1C3D71

Tritanopia (blue-blind)

#632743

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #631173;
/* rgb */ color: rgb(99, 17, 115);
/* oklch */ color: oklch(37.2% 0.162 320.2);

Tailwind

colors: {
  custom: {
    50: '#935c9c',
    500: '#631173',
    950: '#000000',
  },
}

SCSS

$custom: #631173;
$custom-light: #935c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#631173",
  "rgb": {
    "r": 99,
    "g": 17,
    "b": 115
  },
  "hsl": {
    "h": 290.204,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.37159,
    "c": 0.16154,
    "h": 320.2
  },
  "luminance": 0.04291
}

Semantic roles & 50–950 ramp

primary

#631173

secondary

#49AA36

accent

#F13755

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D040E

muted

#7E797E

Preview Lab

Preview with #631173

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

Preview Lab → · Contrast checker → · Palette generator →