#A63520#A63520

#A63520 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.152 H 32.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#A63520
RGB	rgb(166, 53, 32)
HSL	hsl(9, 68%, 39%)
HSV	hsv(9, 81%, 65%)
CMYK	cmyk(0%, 68.1%, 80.7%, 34.9%)
CIE-LAB	lab(39.17, 45.33, 38.02)
CIE-LCH	lch(39.17, 59.17, 39.99°)
OKLab	oklab(49.29% 0.1282 0.0823)
OKLCH	oklch(49.29% 0.152 32.7)
XYZ	xyz(17.2617, 10.7601, 2.5342)
Luminance	0.1076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63520 #2091A6

analogous

#A6204E #A63520 #A67820

triadic

#A63520 #20A635 #3520A6

tetradic

#A63520 #4EA620 #2091A6 #7820A6

square

#A63520 #4EA620 #2091A6 #7820A6

split-complementary

#A63520 #20A678 #204EA6

monochromatic

#3F140C #732516 #A63520 #D6472D #E07460

Accessibility & contrast

On white

6.66

#A63520 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A63520 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63520

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63520	#FFFFFF	#000000	##FFFFFF
##A63520	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C1D

Deuteranopia (green-blind)

#72651B

Tritanopia (blue-blind)

#B71031

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63520;
/* rgb */ color: rgb(166, 53, 32);
/* oklch */ color: oklch(49.3% 0.152 32.7);

Tailwind

colors: {
  custom: {
    50: '#c9735d',
    500: '#a63520',
    950: '#000000',
  },
}

SCSS

$custom: #a63520;
$custom-light: #c9735d;
$custom-dark: #000000;

JSON

{
  "hex": "#a63520",
  "rgb": {
    "r": 166,
    "g": 53,
    "b": 32
  },
  "hsl": {
    "h": 9.403,
    "s": 67.677,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49293,
    "c": 0.15235,
    "h": 32.7
  },
  "luminance": 0.10757
}

Semantic roles & 50–950 ramp

primary

#A63520

secondary

#5DB5C5

accent

#CFEB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A63520

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

Preview Lab → · Contrast checker → · Palette generator →