#631B49#631B49

#631B49 is a dark, moderate pink. Relative luminance 0.039; OKLCH L 35.5% C 0.116 H 345.4°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#631B49
RGB	rgb(99, 27, 73)
HSL	hsl(322, 57%, 25%)
HSV	hsv(322, 73%, 39%)
CMYK	cmyk(0%, 72.7%, 26.3%, 61.2%)
CIE-LAB	lab(23.40, 37.14, -11.04)
CIE-LCH	lch(23.40, 38.74, 343.44°)
OKLab	oklab(35.49% 0.1122 -0.0293)
OKLCH	oklch(35.49% 0.116 345.4)
XYZ	xyz(6.7404, 3.9182, 6.7034)
Luminance	0.0392 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B49 #1B6335

analogous

#591B63 #631B49 #631B25

triadic

#631B49 #49631B #1B4963

tetradic

#631B49 #63591B #1B6335 #1B2563

square

#631B49 #63591B #1B6335 #1B2563

split-complementary

#631B49 #25631B #1B6359

monochromatic

#180712 #330E26 #631B49 #93286C #C33590

Accessibility & contrast

On white

11.77

#631B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#631B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B49

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B49	#FFFFFF	#000000	##FFFFFF
##631B49	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23304A

Deuteranopia (green-blind)

#383C47

Tritanopia (blue-blind)

#6A1A2F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #631b49;
/* rgb */ color: rgb(99, 27, 73);
/* oklch */ color: oklch(35.5% 0.116 345.4);

Tailwind

colors: {
  custom: {
    50: '#925e7b',
    500: '#631b49',
    950: '#000000',
  },
}

SCSS

$custom: #631b49;
$custom-light: #925e7b;
$custom-dark: #000000;

JSON

{
  "hex": "#631b49",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 73
  },
  "hsl": {
    "h": 321.667,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35495,
    "c": 0.11596,
    "h": 345.4
  },
  "luminance": 0.03918
}

Semantic roles & 50–950 ramp

primary

#631B49

secondary

#419861

accent

#E07F47

background

#F9F5F7

surface

#F2E9EE

border

#CCC5C9

text

#0D0509

muted

#7E797B

Preview Lab

Preview with #631B49

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

Preview Lab → · Contrast checker → · Palette generator →