#A63320#A63320

#A63320 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.154 H 32.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A63320
RGB	rgb(166, 51, 32)
HSL	hsl(9, 68%, 39%)
HSV	hsv(9, 81%, 65%)
CMYK	cmyk(0%, 69.3%, 80.7%, 34.9%)
CIE-LAB	lab(38.87, 46.17, 37.72)
CIE-LCH	lch(38.87, 59.62, 39.25°)
OKLab	oklab(49.06% 0.1308 0.0816)
OKLCH	oklch(49.06% 0.154 32)
XYZ	xyz(17.1724, 10.5815, 2.5044)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63320 #2093A6

analogous

#A62050 #A63320 #A67620

triadic

#A63320 #20A633 #3320A6

tetradic

#A63320 #50A620 #2093A6 #7620A6

square

#A63320 #50A620 #2093A6 #7620A6

split-complementary

#A63320 #20A676 #2050A6

monochromatic

#3F130C #732316 #A63320 #D6452D #E07260

Accessibility & contrast

On white

6.74

#A63320 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A63320 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63320

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63320	#FFFFFF	#000000	##FFFFFF
##A63320	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B1D

Deuteranopia (green-blind)

#71651B

Tritanopia (blue-blind)

#B70A30

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a63320;
/* rgb */ color: rgb(166, 51, 32);
/* oklch */ color: oklch(49.1% 0.154 32.0);

Tailwind

colors: {
  custom: {
    50: '#c9725d',
    500: '#a63320',
    950: '#000000',
  },
}

SCSS

$custom: #a63320;
$custom-light: #c9725d;
$custom-dark: #000000;

JSON

{
  "hex": "#a63320",
  "rgb": {
    "r": 166,
    "g": 51,
    "b": 32
  },
  "hsl": {
    "h": 8.507,
    "s": 67.677,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49062,
    "c": 0.15418,
    "h": 32
  },
  "luminance": 0.10579
}

Semantic roles & 50–950 ramp

primary

#A63320

secondary

#5DB6C5

accent

#D2EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A63320

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

Preview Lab → · Contrast checker → · Palette generator →