#A63D22#A63D22

#A63D22 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.3% C 0.144 H 35.3°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#A63D22
RGB	rgb(166, 61, 34)
HSL	hsl(12, 66%, 39%)
HSV	hsv(12, 80%, 65%)
CMYK	cmyk(0%, 63.3%, 79.5%, 34.9%)
CIE-LAB	lab(40.51, 41.86, 38.31)
CIE-LCH	lch(40.51, 56.74, 42.46°)
OKLab	oklab(50.31% 0.1178 0.0836)
OKLCH	oklch(50.31% 0.144 35.3)
XYZ	xyz(17.6853, 11.5625, 2.8136)
Luminance	0.1156 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D22 #228BA6

analogous

#A62249 #A63D22 #A67F22

triadic

#A63D22 #22A63D #3D22A6

tetradic

#A63D22 #49A622 #228BA6 #7F22A6

square

#A63D22 #49A622 #228BA6 #7F22A6

split-complementary

#A63D22 #22A67F #2249A6

monochromatic

#40180D #732A18 #A63D22 #D55230 #DF7D63

Accessibility & contrast

On white

6.34

#A63D22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A63D22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D22

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D22	#FFFFFF	#000000	##FFFFFF
##A63D22	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)

#5B511E

Deuteranopia (green-blind)

#75681E

Tritanopia (blue-blind)

#B72238

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63d22;
/* rgb */ color: rgb(166, 61, 34);
/* oklch */ color: oklch(50.3% 0.144 35.3);

Tailwind

colors: {
  custom: {
    50: '#c8775f',
    500: '#a63d22',
    950: '#000000',
  },
}

SCSS

$custom: #a63d22;
$custom-light: #c8775f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d22",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 34
  },
  "hsl": {
    "h": 12.273,
    "s": 66,
    "l": 39.216
  },
  "oklch": {
    "l": 0.50306,
    "c": 0.14444,
    "h": 35.3
  },
  "luminance": 0.1156
}

Semantic roles & 50–950 ramp

primary

#A63D22

secondary

#5FB0C4

accent

#C6E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #A63D22

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

Preview Lab → · Contrast checker → · Palette generator →