#A83720#A83720

#A83720 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.9% C 0.153 H 33.3°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#A83720
RGB	rgb(168, 55, 32)
HSL	hsl(10, 68%, 39%)
HSV	hsv(10, 81%, 66%)
CMYK	cmyk(0%, 67.3%, 81%, 34.1%)
CIE-LAB	lab(39.86, 45.19, 38.82)
CIE-LCH	lch(39.86, 59.57, 40.67°)
OKLab	oklab(49.87% 0.1275 0.0839)
OKLCH	oklch(49.87% 0.153 33.3)
XYZ	xyz(17.7774, 11.1641, 2.5850)
Luminance	0.1116 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83720 #2091A8

analogous

#A8204D #A83720 #A87B20

triadic

#A83720 #20A837 #3720A8

tetradic

#A83720 #4DA820 #2091A8 #7B20A8

square

#A83720 #4DA820 #2091A8 #7B20A8

split-complementary

#A83720 #20A87B #204DA8

monochromatic

#41150C #752616 #A83720 #D74B2E #E17761

Accessibility & contrast

On white

6.50

#A83720 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A83720 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83720

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83720	#FFFFFF	#000000	##FFFFFF
##A83720	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1C

Deuteranopia (green-blind)

#74671B

Tritanopia (blue-blind)

#B91433

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a83720;
/* rgb */ color: rgb(168, 55, 32);
/* oklch */ color: oklch(49.9% 0.153 33.3);

Tailwind

colors: {
  custom: {
    50: '#ca745d',
    500: '#a83720',
    950: '#000000',
  },
}

SCSS

$custom: #a83720;
$custom-light: #ca745d;
$custom-dark: #000000;

JSON

{
  "hex": "#a83720",
  "rgb": {
    "r": 168,
    "g": 55,
    "b": 32
  },
  "hsl": {
    "h": 10.147,
    "s": 68,
    "l": 39.216
  },
  "oklch": {
    "l": 0.49873,
    "c": 0.15264,
    "h": 33.3
  },
  "luminance": 0.11161
}

Semantic roles & 50–950 ramp

primary

#A83720

secondary

#5EB4C6

accent

#CDEB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A83720

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

Preview Lab → · Contrast checker → · Palette generator →