#A63722#A63722

#A63722 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.5% C 0.150 H 32.8°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#A63722
RGB	rgb(166, 55, 34)
HSL	hsl(10, 66%, 39%)
HSV	hsv(10, 80%, 65%)
CMYK	cmyk(0%, 66.9%, 79.5%, 34.9%)
CIE-LAB	lab(39.51, 44.55, 37.29)
CIE-LCH	lch(39.51, 58.10, 39.93°)
OKLab	oklab(49.55% 0.1261 0.0813)
OKLCH	oklch(49.55% 0.15 32.8)
XYZ	xyz(17.3828, 10.9574, 2.7128)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63722 #2291A6

analogous

#A6224F #A63722 #A67922

triadic

#A63722 #22A637 #3722A6

tetradic

#A63722 #4FA622 #2291A6 #7922A6

square

#A63722 #4FA622 #2291A6 #7922A6

split-complementary

#A63722 #22A679 #224FA6

monochromatic

#40150D #732618 #A63722 #D54B30 #DF7763

Accessibility & contrast

On white

6.58

#A63722 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A63722 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63722

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63722	#FFFFFF	#000000	##FFFFFF
##A63722	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E1F

Deuteranopia (green-blind)

#72661D

Tritanopia (blue-blind)

#B71633

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a63722;
/* rgb */ color: rgb(166, 55, 34);
/* oklch */ color: oklch(49.5% 0.150 32.8);

Tailwind

colors: {
  custom: {
    50: '#c9745f',
    500: '#a63722',
    950: '#000000',
  },
}

SCSS

$custom: #a63722;
$custom-light: #c9745f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63722",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 34
  },
  "hsl": {
    "h": 9.545,
    "s": 66,
    "l": 39.216
  },
  "oklch": {
    "l": 0.4955,
    "c": 0.15009,
    "h": 32.8
  },
  "luminance": 0.10955
}

Semantic roles & 50–950 ramp

primary

#A63722

secondary

#5FB4C4

accent

#CEE93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A63722

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

Preview Lab → · Contrast checker → · Palette generator →