#A63620#A63620

#A63620 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.151 H 33.1°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#A63620
RGB	rgb(166, 54, 32)
HSL	hsl(10, 68%, 39%)
HSV	hsv(10, 81%, 65%)
CMYK	cmyk(0%, 67.5%, 80.7%, 34.9%)
CIE-LAB	lab(39.33, 44.91, 38.18)
CIE-LCH	lch(39.33, 58.95, 40.37°)
OKLab	oklab(49.41% 0.1269 0.0827)
OKLCH	oklch(49.41% 0.151 33.1)
XYZ	xyz(17.3077, 10.8522, 2.5495)
Luminance	0.1085 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63620 #2090A6

analogous

#A6204D #A63620 #A67920

triadic

#A63620 #20A636 #3620A6

tetradic

#A63620 #4DA620 #2090A6 #7920A6

square

#A63620 #4DA620 #2090A6 #7920A6

split-complementary

#A63620 #20A679 #204DA6

monochromatic

#3F150C #732516 #A63620 #D6492D #E07560

Accessibility & contrast

On white

6.62

#A63620 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A63620 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63620

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63620	#FFFFFF	#000000	##FFFFFF
##A63620	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D1C

Deuteranopia (green-blind)

#72661B

Tritanopia (blue-blind)

#B71332

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a63620;
/* rgb */ color: rgb(166, 54, 32);
/* oklch */ color: oklch(49.4% 0.151 33.1);

Tailwind

colors: {
  custom: {
    50: '#c9735d',
    500: '#a63620',
    950: '#000000',
  },
}

SCSS

$custom: #a63620;
$custom-light: #c9735d;
$custom-dark: #000000;

JSON

{
  "hex": "#a63620",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 32
  },
  "hsl": {
    "h": 9.851,
    "s": 67.677,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4941,
    "c": 0.15143,
    "h": 33.1
  },
  "luminance": 0.1085
}

Semantic roles & 50–950 ramp

primary

#A63620

secondary

#5DB4C5

accent

#CEEB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A63620

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

Preview Lab → · Contrast checker → · Palette generator →