#A83A21#A83A21

#A83A21 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.150 H 34.2°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#A83A21
RGB	rgb(168, 58, 33)
HSL	hsl(11, 67%, 39%)
HSV	hsv(11, 80%, 66%)
CMYK	cmyk(0%, 65.5%, 80.4%, 34.1%)
CIE-LAB	lab(40.35, 43.91, 38.79)
CIE-LCH	lch(40.35, 58.59, 41.45°)
OKLab	oklab(50.25% 0.1238 0.0841)
OKLCH	oklch(50.25% 0.15 34.2)
XYZ	xyz(17.9380, 11.4634, 2.7067)
Luminance	0.1146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83A21 #218FA8

analogous

#A8214C #A83A21 #A87E21

triadic

#A83A21 #21A83A #3A21A8

tetradic

#A83A21 #4CA821 #218FA8 #7E21A8

square

#A83A21 #4CA821 #218FA8 #7E21A8

split-complementary

#A83A21 #21A87E #214CA8

monochromatic

#42170D #752817 #A83A21 #D64F30 #E07A63

Accessibility & contrast

On white

6.38

#A83A21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A83A21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83A21

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83A21	#FFFFFF	#000000	##FFFFFF
##A83A21	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59501D

Deuteranopia (green-blind)

#75681C

Tritanopia (blue-blind)

#B91B35

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a83a21;
/* rgb */ color: rgb(168, 58, 33);
/* oklch */ color: oklch(50.2% 0.150 34.2);

Tailwind

colors: {
  custom: {
    50: '#ca765e',
    500: '#a83a21',
    950: '#000000',
  },
}

SCSS

$custom: #a83a21;
$custom-light: #ca765e;
$custom-dark: #000000;

JSON

{
  "hex": "#a83a21",
  "rgb": {
    "r": 168,
    "g": 58,
    "b": 33
  },
  "hsl": {
    "h": 11.111,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50248,
    "c": 0.14965,
    "h": 34.2
  },
  "luminance": 0.11461
}

Semantic roles & 50–950 ramp

primary

#A83A21

secondary

#5FB3C5

accent

#CAEA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A83A21

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

Preview Lab → · Contrast checker → · Palette generator →