#631970#631970

#631970 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.6% C 0.151 H 321.2°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#631970
RGB	rgb(99, 25, 112)
HSL	hsl(291, 64%, 27%)
HSV	hsv(291, 78%, 44%)
CMYK	cmyk(11.6%, 77.7%, 0%, 56.1%)
CIE-LAB	lab(25.32, 44.79, -33.76)
CIE-LCH	lch(25.32, 56.09, 322.99°)
OKLab	oklab(37.59% 0.1175 -0.0945)
OKLCH	oklch(37.59% 0.151 321.2)
XYZ	xyz(8.4175, 4.5182, 15.7548)
Luminance	0.0452 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631970 #267019

analogous

#371970 #631970 #701952

triadic

#631970 #706319 #197063

tetradic

#631970 #703719 #267019 #195270

square

#631970 #703719 #267019 #195270

split-complementary

#631970 #527019 #197037

monochromatic

#160619 #370E3E #631970 #8F24A2 #B932D1

Accessibility & contrast

On white

11.03

#631970 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#631970 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631970

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631970	#FFFFFF	#000000	##FFFFFF
##631970	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003772

Deuteranopia (green-blind)

#243F6E

Tritanopia (blue-blind)

#642A43

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #631970;
/* rgb */ color: rgb(99, 25, 112);
/* oklch */ color: oklch(37.6% 0.151 321.2);

Tailwind

colors: {
  custom: {
    50: '#935f99',
    500: '#631970',
    950: '#000000',
  },
}

SCSS

$custom: #631970;
$custom-light: #935f99;
$custom-dark: #000000;

JSON

{
  "hex": "#631970",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 112
  },
  "hsl": {
    "h": 291.034,
    "s": 63.504,
    "l": 26.863
  },
  "oklch": {
    "l": 0.37589,
    "c": 0.15077,
    "h": 321.2
  },
  "luminance": 0.04518
}

Semantic roles & 50–950 ramp

primary

#631970

secondary

#4FA540

accent

#E7415A

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631970

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

Preview Lab → · Contrast checker → · Palette generator →