#631537#631537

#631537 is a dark, moderate pink. Relative luminance 0.035; OKLCH L 34.1% C 0.114 H 358.8°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#631537
RGB	rgb(99, 21, 55)
HSL	hsl(334, 65%, 24%)
HSV	hsv(334, 79%, 39%)
CMYK	cmyk(0%, 78.8%, 44.4%, 61.2%)
CIE-LAB	lab(21.82, 37.21, -1.06)
CIE-LCH	lch(21.82, 37.23, 358.36°)
OKLab	oklab(34.1% 0.1142 -0.0023)
OKLCH	oklch(34.1% 0.114 358.8)
XYZ	xyz(6.1038, 3.4656, 3.9612)
Luminance	0.0347 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631537 #156341

analogous

#63155E #631537 #631A15

triadic

#631537 #376315 #153763

tetradic

#631537 #5E6315 #156341 #1A1563

square

#631537 #5E6315 #156341 #1A1563

split-complementary

#631537 #15631A #155E63

monochromatic

#19050E #310A1B #631537 #952053 #C82A6F

Accessibility & contrast

On white

12.40

#631537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#631537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631537

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631537	#FFFFFF	#000000	##FFFFFF
##631537	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262B38

Deuteranopia (green-blind)

#3B3A35

Tritanopia (blue-blind)

#6C0924

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631537;
/* rgb */ color: rgb(99, 21, 55);
/* oklch */ color: oklch(34.1% 0.114 358.8);

Tailwind

colors: {
  custom: {
    50: '#935a6d',
    500: '#631537',
    950: '#000000',
  },
}

SCSS

$custom: #631537;
$custom-light: #935a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#631537",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 55
  },
  "hsl": {
    "h": 333.846,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.34102,
    "c": 0.11426,
    "h": 358.8
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary

#631537

secondary

#3A9A70

accent

#E89F40

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0407

muted

#7E797A

Preview Lab

Preview with #631537

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

Preview Lab → · Contrast checker → · Palette generator →