#631671#631671

#631671 is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.4% C 0.155 H 320.9°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#631671
RGB	rgb(99, 22, 113)
HSL	hsl(291, 67%, 26%)
HSV	hsv(291, 81%, 44%)
CMYK	cmyk(12.4%, 80.5%, 0%, 55.7%)
CIE-LAB	lab(25.01, 46.05, -34.90)
CIE-LCH	lch(25.01, 57.78, 322.85°)
OKLab	oklab(37.4% 0.1202 -0.0978)
OKLCH	oklch(37.4% 0.155 320.9)
XYZ	xyz(8.4128, 4.4192, 16.0294)
Luminance	0.0442 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631671 #247116

analogous

#361671 #631671 #711652

triadic

#631671 #716316 #167163

tetradic

#631671 #713616 #247116 #165271

square

#631671 #713616 #247116 #165271

split-complementary

#631671 #527116 #167136

monochromatic

#16051A #360C3E #631671 #9020A4 #BC2CD6

Accessibility & contrast

On white

11.15

#631671 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#631671 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631671

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631671	#FFFFFF	#000000	##FFFFFF
##631671	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#213E6F

Tritanopia (blue-blind)

#642943

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #631671;
/* rgb */ color: rgb(99, 22, 113);
/* oklch */ color: oklch(37.4% 0.155 320.9);

Tailwind

colors: {
  custom: {
    50: '#935d9a',
    500: '#631671',
    950: '#000000',
  },
}

SCSS

$custom: #631671;
$custom-light: #935d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#631671",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 113
  },
  "hsl": {
    "h": 290.769,
    "s": 67.407,
    "l": 26.471
  },
  "oklch": {
    "l": 0.37395,
    "c": 0.15498,
    "h": 320.9
  },
  "luminance": 0.04419
}

Semantic roles & 50–950 ramp

primary

#631671

secondary

#4CA73C

accent

#EA3E58

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0D050E

muted

#7E797E

Preview Lab

Preview with #631671

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

Preview Lab → · Contrast checker → · Palette generator →