#63172A#63172A

#63172A is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.9% C 0.108 H 10.5°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#63172A
RGB	rgb(99, 23, 42)
HSL	hsl(345, 62%, 24%)
HSV	hsv(345, 77%, 39%)
CMYK	cmyk(0%, 76.8%, 57.6%, 61.2%)
CIE-LAB	lab(21.70, 35.13, 7.83)
CIE-LCH	lch(21.70, 36.00, 12.56°)
OKLab	oklab(33.89% 0.1065 0.0198)
OKLCH	oklch(33.89% 0.108 10.5)
XYZ	xyz(5.8704, 3.4334, 2.5436)
Luminance	0.0343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63172A #176350

analogous

#631750 #63172A #632A17

triadic

#63172A #2A6317 #172A63

tetradic

#63172A #506317 #176350 #2A1763

square

#63172A #506317 #176350 #2A1763

split-complementary

#63172A #17632A #175063

monochromatic

#19060B #310B15 #63172A #95233F #C62E54

Accessibility & contrast

On white

12.45

#63172A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#63172A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63172A

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63172A	#FFFFFF	#000000	##FFFFFF
##63172A	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2A2A

Deuteranopia (green-blind)

#3E3A28

Tritanopia (blue-blind)

#6D051F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #63172a;
/* rgb */ color: rgb(99, 23, 42);
/* oklch */ color: oklch(33.9% 0.108 10.5);

Tailwind

colors: {
  custom: {
    50: '#945b63',
    500: '#63172a',
    950: '#000000',
  },
}

SCSS

$custom: #63172a;
$custom-light: #945b63;
$custom-dark: #000000;

JSON

{
  "hex": "#63172a",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 42
  },
  "hsl": {
    "h": 345,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33886,
    "c": 0.10832,
    "h": 10.5
  },
  "luminance": 0.03433
}

Semantic roles & 50–950 ramp

primary

#63172A

secondary

#3C9A82

accent

#E5BD42

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #63172A

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

Preview Lab → · Contrast checker → · Palette generator →