#631B60#631B60

#631B60 is a dark, vivid purple. Relative luminance 0.043; OKLCH L 36.7% C 0.134 H 329.7°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#631B60
RGB	rgb(99, 27, 96)
HSL	hsl(303, 57%, 25%)
HSV	hsv(303, 73%, 39%)
CMYK	cmyk(0%, 72.7%, 3%, 61.2%)
CIE-LAB	lab(24.58, 40.95, -24.54)
CIE-LCH	lch(24.58, 47.74, 329.07°)
OKLab	oklab(36.74% 0.1156 -0.0677)
OKLCH	oklch(36.74% 0.134 329.7)
XYZ	xyz(7.6488, 4.2816, 11.4876)
Luminance	0.0428 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B60 #1B631E

analogous

#421B63 #631B60 #631B3C

triadic

#631B60 #60631B #1B6063

tetradic

#631B60 #63421B #1B631E #1B3C63

square

#631B60 #63421B #1B631E #1B3C63

split-complementary

#631B60 #3C631B #1B6342

monochromatic

#180717 #330E31 #631B60 #93288F #C335BD

Accessibility & contrast

On white

11.31

#631B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#631B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B60

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B60	#FFFFFF	#000000	##FFFFFF
##631B60	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133462

Deuteranopia (green-blind)

#2F3E5E

Tritanopia (blue-blind)

#67243B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #631b60;
/* rgb */ color: rgb(99, 27, 96);
/* oklch */ color: oklch(36.7% 0.134 329.7);

Tailwind

colors: {
  custom: {
    50: '#925f8d',
    500: '#631b60',
    950: '#000000',
  },
}

SCSS

$custom: #631b60;
$custom-light: #925f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#631b60",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 96
  },
  "hsl": {
    "h": 302.5,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.36738,
    "c": 0.13396,
    "h": 329.7
  },
  "luminance": 0.04281
}

Semantic roles & 50–950 ramp

primary

#631B60

secondary

#419845

accent

#E04E47

background

#F9F5F8

surface

#F1EAF0

border

#CBC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #631B60

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

Preview Lab → · Contrast checker → · Palette generator →