#A63E20#A63E20

#A63E20 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.4% C 0.144 H 36.5°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#A63E20
RGB	rgb(166, 62, 32)
HSL	hsl(13, 68%, 39%)
HSV	hsv(13, 81%, 65%)
CMYK	cmyk(0%, 62.7%, 80.7%, 34.9%)
CIE-LAB	lab(40.67, 41.33, 39.50)
CIE-LCH	lch(40.67, 57.17, 43.71°)
OKLab	oklab(50.42% 0.1158 0.0855)
OKLCH	oklch(50.42% 0.144 36.5)
XYZ	xyz(17.7112, 11.6590, 2.6840)
Luminance	0.1166 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E20 #2088A6

analogous

#A62045 #A63E20 #A68120

triadic

#A63E20 #20A63E #3E20A6

tetradic

#A63E20 #45A620 #2088A6 #8120A6

square

#A63E20 #45A620 #2088A6 #8120A6

split-complementary

#A63E20 #20A681 #2045A6

monochromatic

#3F180C #732B16 #A63E20 #D6532D #E07D60

Accessibility & contrast

On white

6.30

#A63E20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A63E20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E20

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E20	#FFFFFF	#000000	##FFFFFF
##A63E20	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C511C

Deuteranopia (green-blind)

#75691C

Tritanopia (blue-blind)

#B72338

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63e20;
/* rgb */ color: rgb(166, 62, 32);
/* oklch */ color: oklch(50.4% 0.144 36.5);

Tailwind

colors: {
  custom: {
    50: '#c8785e',
    500: '#a63e20',
    950: '#000000',
  },
}

SCSS

$custom: #a63e20;
$custom-light: #c8785e;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e20",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 32
  },
  "hsl": {
    "h": 13.433,
    "s": 67.677,
    "l": 38.824
  },
  "oklch": {
    "l": 0.50419,
    "c": 0.14395,
    "h": 36.5
  },
  "luminance": 0.11657
}

Semantic roles & 50–950 ramp

primary

#A63E20

secondary

#5DAEC5

accent

#C4EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A63E20

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

Preview Lab → · Contrast checker → · Palette generator →