#631B48#631B48

#631B48 is a dark, moderate pink. Relative luminance 0.039; OKLCH L 35.4% C 0.115 H 346.1°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#631B48
RGB	rgb(99, 27, 72)
HSL	hsl(323, 57%, 25%)
HSV	hsv(323, 73%, 39%)
CMYK	cmyk(0%, 72.7%, 27.3%, 61.2%)
CIE-LAB	lab(23.36, 36.99, -10.43)
CIE-LCH	lch(23.36, 38.43, 344.25°)
OKLab	oklab(35.45% 0.1119 -0.0276)
OKLCH	oklch(35.45% 0.115 346.1)
XYZ	xyz(6.7075, 3.9051, 6.5301)
Luminance	0.0390 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631B48 #1B6336

analogous

#5A1B63 #631B48 #631B24

triadic

#631B48 #48631B #1B4863

tetradic

#631B48 #635A1B #1B6336 #1B2463

square

#631B48 #635A1B #1B6336 #1B2463

split-complementary

#631B48 #24631B #1B635A

monochromatic

#180711 #330E25 #631B48 #93286B #C3358E

Accessibility & contrast

On white

11.79

#631B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#631B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631B48

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631B48	#FFFFFF	#000000	##FFFFFF
##631B48	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243049

Deuteranopia (green-blind)

#393C46

Tritanopia (blue-blind)

#6A192E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #631b48;
/* rgb */ color: rgb(99, 27, 72);
/* oklch */ color: oklch(35.4% 0.115 346.1);

Tailwind

colors: {
  custom: {
    50: '#925e7b',
    500: '#631b48',
    950: '#000000',
  },
}

SCSS

$custom: #631b48;
$custom-light: #925e7b;
$custom-dark: #000000;

JSON

{
  "hex": "#631b48",
  "rgb": {
    "r": 99,
    "g": 27,
    "b": 72
  },
  "hsl": {
    "h": 322.5,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35448,
    "c": 0.1153,
    "h": 346.1
  },
  "luminance": 0.03904
}

Semantic roles & 50–950 ramp

primary

#631B48

secondary

#419862

accent

#E08147

background

#F9F5F7

surface

#F2E9ED

border

#CCC5C8

text

#0D0509

muted

#7E797B

Preview Lab

Preview with #631B48

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

Preview Lab → · Contrast checker → · Palette generator →