#631857#631857

#631857 is a dark, vivid purple. Relative luminance 0.040; OKLCH L 35.9% C 0.130 H 335.2°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#631857
RGB	rgb(99, 24, 87)
HSL	hsl(310, 61%, 24%)
HSV	hsv(310, 76%, 39%)
CMYK	cmyk(0%, 75.8%, 12.1%, 61.2%)
CIE-LAB	lab(23.65, 40.57, -20.05)
CIE-LCH	lch(23.65, 45.25, 333.70°)
OKLab	oklab(35.91% 0.1184 -0.0547)
OKLCH	oklch(35.91% 0.13 335.2)
XYZ	xyz(7.1926, 3.9947, 9.4072)
Luminance	0.0399 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631857 #186324

analogous

#4A1863 #631857 #631832

triadic

#631857 #576318 #185763

tetradic

#631857 #634A18 #186324 #183263

square

#631857 #634A18 #186324 #183263

split-complementary

#631857 #326318 #18634A

monochromatic

#190616 #320C2C #631857 #942482 #C630AE

Accessibility & contrast

On white

11.67

#631857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#631857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631857

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631857	#FFFFFF	#000000	##FFFFFF
##631857	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183159

Deuteranopia (green-blind)

#323C55

Tritanopia (blue-blind)

#681E35

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #631857;
/* rgb */ color: rgb(99, 24, 87);
/* oklch */ color: oklch(35.9% 0.130 335.2);

Tailwind

colors: {
  custom: {
    50: '#925d86',
    500: '#631857',
    950: '#000000',
  },
}

SCSS

$custom: #631857;
$custom-light: #925d86;
$custom-dark: #000000;

JSON

{
  "hex": "#631857",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 87
  },
  "hsl": {
    "h": 309.6,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35905,
    "c": 0.13042,
    "h": 335.2
  },
  "luminance": 0.03994
}

Semantic roles & 50–950 ramp

primary

#631857

secondary

#3E994C

accent

#E45D44

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D050B

muted

#7E797C

Preview Lab

Preview with #631857

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

Preview Lab → · Contrast checker → · Palette generator →