#63281C#63281C

#63281C is a dark, moderate red. Relative luminance 0.043; OKLCH L 35.9% C 0.089 H 33.1°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#63281C
RGB	rgb(99, 40, 28)
HSL	hsl(10, 56%, 25%)
HSV	hsv(10, 72%, 39%)
CMYK	cmyk(0%, 59.6%, 71.7%, 61.2%)
CIE-LAB	lab(24.50, 25.79, 20.86)
CIE-LCH	lch(24.50, 33.17, 38.96°)
OKLab	oklab(35.89% 0.0742 0.0484)
OKLCH	oklch(35.89% 0.089 33.1)
XYZ	xyz(6.1146, 4.2549, 1.5977)
Luminance	0.0425 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63281C #1C5763

analogous

#631C33 #63281C #634C1C

triadic

#63281C #1C6328 #281C63

tetradic

#63281C #33631C #1C5763 #4C1C63

square

#63281C #33631C #1C5763 #4C1C63

split-complementary

#63281C #1C634C #1C3363

monochromatic

#180A07 #33150F #63281C #933B29 #C24F37

Accessibility & contrast

On white

11.35

#63281C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#63281C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63281C

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63281C	#FFFFFF	#000000	##FFFFFF
##63281C	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38321B

Deuteranopia (green-blind)

#463F1B

Tritanopia (blue-blind)

#6D1C25

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #63281c;
/* rgb */ color: rgb(99, 40, 28);
/* oklch */ color: oklch(35.9% 0.089 33.1);

Tailwind

colors: {
  custom: {
    50: '#946458',
    500: '#63281c',
    950: '#000000',
  },
}

SCSS

$custom: #63281c;
$custom-light: #946458;
$custom-dark: #000000;

JSON

{
  "hex": "#63281c",
  "rgb": {
    "r": 99,
    "g": 40,
    "b": 28
  },
  "hsl": {
    "h": 10.141,
    "s": 55.906,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35889,
    "c": 0.08865,
    "h": 33.1
  },
  "luminance": 0.04254
}

Semantic roles & 50–950 ramp

primary

#63281C

secondary

#438A98

accent

#C6DF49

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #63281C

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

Preview Lab → · Contrast checker → · Palette generator →