#A63E22#A63E22

#A63E22 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.4% C 0.143 H 35.8°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#A63E22
RGB	rgb(166, 62, 34)
HSL	hsl(13, 66%, 39%)
HSV	hsv(13, 80%, 65%)
CMYK	cmyk(0%, 62.7%, 79.5%, 34.9%)
CIE-LAB	lab(40.69, 41.40, 38.48)
CIE-LCH	lch(40.69, 56.52, 42.91°)
OKLab	oklab(50.44% 0.1164 0.0839)
OKLCH	oklch(50.44% 0.143 35.8)
XYZ	xyz(17.7392, 11.6702, 2.8316)
Luminance	0.1167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E22 #228AA6

analogous

#A62248 #A63E22 #A68022

triadic

#A63E22 #22A63E #3E22A6

tetradic

#A63E22 #48A622 #228AA6 #8022A6

square

#A63E22 #48A622 #228AA6 #8022A6

split-complementary

#A63E22 #22A680 #2248A6

monochromatic

#40180D #732B18 #A63E22 #D55330 #DF7E63

Accessibility & contrast

On white

6.30

#A63E22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A63E22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E22

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E22	#FFFFFF	#000000	##FFFFFF
##A63E22	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)

#5B511E

Deuteranopia (green-blind)

#75691E

Tritanopia (blue-blind)

#B72438

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63e22;
/* rgb */ color: rgb(166, 62, 34);
/* oklch */ color: oklch(50.4% 0.143 35.8);

Tailwind

colors: {
  custom: {
    50: '#c8785f',
    500: '#a63e22',
    950: '#000000',
  },
}

SCSS

$custom: #a63e22;
$custom-light: #c8785f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e22",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 34
  },
  "hsl": {
    "h": 12.727,
    "s": 66,
    "l": 39.216
  },
  "oklch": {
    "l": 0.50438,
    "c": 0.14349,
    "h": 35.8
  },
  "luminance": 0.11668
}

Semantic roles & 50–950 ramp

primary

#A63E22

secondary

#5FAFC4

accent

#C5E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #A63E22

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

Preview Lab → · Contrast checker → · Palette generator →