#631971#631971

#631971 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.7% C 0.152 H 320.7°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#631971
RGB	rgb(99, 25, 113)
HSL	hsl(290, 64%, 27%)
HSV	hsv(290, 78%, 44%)
CMYK	cmyk(12.4%, 77.9%, 0%, 55.7%)
CIE-LAB	lab(25.38, 44.99, -34.30)
CIE-LCH	lch(25.38, 56.57, 322.68°)
OKLab	oklab(37.66% 0.1174 -0.0961)
OKLCH	oklch(37.66% 0.152 320.7)
XYZ	xyz(8.4735, 4.5406, 16.0497)
Luminance	0.0454 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631971 #277119

analogous

#371971 #631971 #711953

triadic

#631971 #716319 #197163

tetradic

#631971 #713719 #277119 #195371

square

#631971 #713719 #277119 #195371

split-complementary

#631971 #537119 #197137

monochromatic

#160619 #370E3F #631971 #8F24A3 #B833D2

Accessibility & contrast

On white

11.01

#631971 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#631971 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631971

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631971	#FFFFFF	#000000	##FFFFFF
##631971	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003773

Deuteranopia (green-blind)

#233F6F

Tritanopia (blue-blind)

#642A44

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #631971;
/* rgb */ color: rgb(99, 25, 113);
/* oklch */ color: oklch(37.7% 0.152 320.7);

Tailwind

colors: {
  custom: {
    50: '#935f9a',
    500: '#631971',
    950: '#000000',
  },
}

SCSS

$custom: #631971;
$custom-light: #935f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#631971",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 113
  },
  "hsl": {
    "h": 290.455,
    "s": 63.768,
    "l": 27.059
  },
  "oklch": {
    "l": 0.37659,
    "c": 0.15168,
    "h": 320.7
  },
  "luminance": 0.0454
}

Semantic roles & 50–950 ramp

primary

#631971

secondary

#50A640

accent

#E7415B

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631971

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

Preview Lab → · Contrast checker → · Palette generator →