#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
RGBrgb(168, 63, 33)
HSLhsl(13, 67%, 39%)
HSVhsv(13, 80%, 66%)
CMYKcmyk(0%, 62.5%, 80.4%, 34.1%)
CIE-LABlab(41.20, 41.64, 39.63)
CIE-LCHlch(41.20, 57.48, 43.59°)
OKLaboklab(50.89% 0.1167 0.086)
OKLCHoklch(50.89% 0.145 36.4)
XYZxyz(18.2025, 11.9922, 2.7948)
Luminance0.1199 (WCAG relative)
Temperaturewarm
Familyred

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
##A83F211.006.183.406.18
#FFFFFF6.181.0021.001.00
#0000003.4021.001.0021.00
##FFFFFF6.181.0021.001.00

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 →

#A83F21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva