#631057#631057

#631057 is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.2% C 0.140 H 335.0°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#631057
RGB	rgb(99, 16, 87)
HSL	hsl(309, 72%, 23%)
HSV	hsv(309, 84%, 39%)
CMYK	cmyk(0%, 83.8%, 12.1%, 61.2%)
CIE-LAB	lab(22.70, 43.30, -21.55)
CIE-LCH	lch(22.70, 48.37, 333.54°)
OKLab	oklab(35.22% 0.1265 -0.059)
OKLCH	oklch(35.22% 0.14 335)
XYZ	xyz(7.0513, 3.7120, 9.3601)
Luminance	0.0371 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631057 #10631C

analogous

#461063 #631057 #63102D

triadic

#631057 #576310 #105763

tetradic

#631057 #634610 #10631C #102D63

square

#631057 #634610 #10631C #102D63

split-complementary

#631057 #2D6310 #106346

monochromatic

#1A0417 #2E0729 #631057 #981985 #CC21B4

Accessibility & contrast

On white

12.05

#631057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#631057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631057

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631057	#FFFFFF	#000000	##FFFFFF
##631057	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F2E59

Deuteranopia (green-blind)

#2F3A55

Tritanopia (blue-blind)

#681833

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #631057;
/* rgb */ color: rgb(99, 16, 87);
/* oklch */ color: oklch(35.2% 0.140 335.0);

Tailwind

colors: {
  custom: {
    50: '#935a86',
    500: '#631057',
    950: '#000000',
  },
}

SCSS

$custom: #631057;
$custom-light: #935a86;
$custom-dark: #000000;

JSON

{
  "hex": "#631057",
  "rgb": {
    "r": 99,
    "g": 16,
    "b": 87
  },
  "hsl": {
    "h": 308.675,
    "s": 72.174,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35216,
    "c": 0.13956,
    "h": 335
  },
  "luminance": 0.03711
}

Semantic roles & 50–950 ramp

primary

#631057

secondary

#339C42

accent

#EF5339

background

#F9F5F8

surface

#F2E9EF

border

#CCC5CA

text

#0D040B

muted

#7E797C

Preview Lab

Preview with #631057

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

Preview Lab → · Contrast checker → · Palette generator →