#A63D20#A63D20

#A63D20 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.3% C 0.145 H 36.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#A63D20
RGB	rgb(166, 61, 32)
HSL	hsl(13, 68%, 39%)
HSV	hsv(13, 81%, 65%)
CMYK	cmyk(0%, 63.3%, 80.7%, 34.9%)
CIE-LAB	lab(40.49, 41.79, 39.33)
CIE-LCH	lch(40.49, 57.38, 43.26°)
OKLab	oklab(50.29% 0.1172 0.0852)
OKLCH	oklch(50.29% 0.145 36)
XYZ	xyz(17.6573, 11.5513, 2.6661)
Luminance	0.1155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D20 #2089A6

analogous

#A62046 #A63D20 #A68020

triadic

#A63D20 #20A63D #3D20A6

tetradic

#A63D20 #46A620 #2089A6 #8020A6

square

#A63D20 #46A620 #2089A6 #8020A6

split-complementary

#A63D20 #20A680 #2046A6

monochromatic

#3F170C #732A16 #A63D20 #D6512D #E07C60

Accessibility & contrast

On white

6.34

#A63D20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A63D20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D20

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D20	#FFFFFF	#000000	##FFFFFF
##A63D20	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511C

Deuteranopia (green-blind)

#75681C

Tritanopia (blue-blind)

#B72237

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63d20;
/* rgb */ color: rgb(166, 61, 32);
/* oklch */ color: oklch(50.3% 0.145 36.0);

Tailwind

colors: {
  custom: {
    50: '#c8775e',
    500: '#a63d20',
    950: '#000000',
  },
}

SCSS

$custom: #a63d20;
$custom-light: #c8775e;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d20",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 32
  },
  "hsl": {
    "h": 12.985,
    "s": 67.677,
    "l": 38.824
  },
  "oklch": {
    "l": 0.50286,
    "c": 0.14489,
    "h": 36
  },
  "luminance": 0.11549
}

Semantic roles & 50–950 ramp

primary

#A63D20

secondary

#5DAEC5

accent

#C5EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A63D20

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

Preview Lab → · Contrast checker → · Palette generator →