#A83F21#A83F21

#A83F21 is a mid, vivid red. Relative luminance 0.120; OKLCH L 50.9% C 0.145 H 36.4°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#A83F21
RGB	rgb(168, 63, 33)
HSL	hsl(13, 67%, 39%)
HSV	hsv(13, 80%, 66%)
CMYK	cmyk(0%, 62.5%, 80.4%, 34.1%)
CIE-LAB	lab(41.20, 41.64, 39.63)
CIE-LCH	lch(41.20, 57.48, 43.59°)
OKLab	oklab(50.89% 0.1167 0.086)
OKLCH	oklch(50.89% 0.145 36.4)
XYZ	xyz(18.2025, 11.9922, 2.7948)
Luminance	0.1199 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83F21 #218AA8

analogous

#A82147 #A83F21 #A88221

triadic

#A83F21 #21A83F #3F21A8

tetradic

#A83F21 #47A821 #218AA8 #8221A8

square

#A83F21 #47A821 #218AA8 #8221A8

split-complementary

#A83F21 #21A882 #2147A8

monochromatic

#42190D #752C17 #A83F21 #D65530 #E07F63

Accessibility & contrast

On white

6.18

#A83F21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#A83F21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83F21

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83F21	#FFFFFF	#000000	##FFFFFF
##A83F21	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D521D

Deuteranopia (green-blind)

#776A1D

Tritanopia (blue-blind)

#B92439

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a83f21;
/* rgb */ color: rgb(168, 63, 33);
/* oklch */ color: oklch(50.9% 0.145 36.4);

Tailwind

colors: {
  custom: {
    50: '#ca785f',
    500: '#a83f21',
    950: '#000000',
  },
}

SCSS

$custom: #a83f21;
$custom-light: #ca785f;
$custom-dark: #000000;

JSON

{
  "hex": "#a83f21",
  "rgb": {
    "r": 168,
    "g": 63,
    "b": 33
  },
  "hsl": {
    "h": 13.333,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50891,
    "c": 0.14497,
    "h": 36.4
  },
  "luminance": 0.1199
}

Semantic roles & 50–950 ramp

primary

#A83F21

secondary

#5FAFC5

accent

#C4EA3E

background

#FDF7F5

surface

#FAEEE9

border

#D3C9C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A83F21

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

Preview Lab → · Contrast checker → · Palette generator →