#640F31#640F31

#640F31 is a dark, moderate pink. Relative luminance 0.033; OKLCH L 33.6% C 0.120 H 2.8°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#640F31
RGB	rgb(100, 15, 49)
HSL	hsl(336, 74%, 23%)
HSV	hsv(336, 85%, 39%)
CMYK	cmyk(0%, 85%, 51%, 60.8%)
CIE-LAB	lab(21.11, 38.93, 2.12)
CIE-LCH	lch(21.11, 38.99, 3.11°)
OKLab	oklab(33.55% 0.1194 0.0058)
OKLCH	oklch(33.55% 0.12 2.8)
XYZ	xyz(5.9812, 3.2736, 3.2220)
Luminance	0.0327 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#640F31 #0F6442

analogous

#640F5B #640F31 #64170F

triadic

#640F31 #31640F #0F3164

tetradic

#640F31 #5B640F #0F6442 #170F64

square

#640F31 #5B640F #0F6442 #170F64

split-complementary

#640F31 #0F6417 #0F5B64

monochromatic

#1B040D #2F0717 #640F31 #99174B #CE1F65

Accessibility & contrast

On white

12.69

#640F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#640F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #640F31

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##640F31	#FFFFFF	#000000	##FFFFFF
##640F31	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252832

Deuteranopia (green-blind)

#3B392F

Tritanopia (blue-blind)

#6D001E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #640f31;
/* rgb */ color: rgb(100, 15, 49);
/* oklch */ color: oklch(33.6% 0.120 2.8);

Tailwind

colors: {
  custom: {
    50: '#955868',
    500: '#640f31',
    950: '#000000',
  },
}

SCSS

$custom: #640f31;
$custom-light: #955868;
$custom-dark: #000000;

JSON

{
  "hex": "#640f31",
  "rgb": {
    "r": 100,
    "g": 15,
    "b": 49
  },
  "hsl": {
    "h": 336,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33552,
    "c": 0.11958,
    "h": 2.8
  },
  "luminance": 0.03273
}

Semantic roles & 50–950 ramp

primary

#640F31

secondary

#329D72

accent

#F1A637

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0406

muted

#7E797A

Preview Lab

Preview with #640F31

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

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