#A23C21#A23C21

#A23C21 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.5% C 0.141 H 35.6°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#A23C21
RGBrgb(162, 60, 33)
HSLhsl(13, 66%, 38%)
HSVhsv(13, 80%, 64%)
CMYKcmyk(0%, 63%, 79.6%, 36.5%)
CIE-LABlab(39.62, 40.81, 37.71)
CIE-LCHlch(39.62, 55.56, 42.74°)
OKLaboklab(49.5% 0.1148 0.0823)
OKLCHoklch(49.5% 0.141 35.6)
XYZxyz(16.7925, 11.0253, 2.6824)
Luminance0.1102 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A23C21 #2187A2
analogous
#A22146 #A23C21 #A27C21
triadic
#A23C21 #21A23C #3C21A2
tetradic
#A23C21 #46A221 #2187A2 #7C21A2
square
#A23C21 #46A221 #2187A2 #7C21A2
split-complementary
#A23C21 #21A27C #2146A2
monochromatic
#3C160C #6F2917 #A23C21 #D44F2C #DE7A5F

Accessibility & contrast

On white

6.55
#A23C21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#A23C21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23C21
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A23C21#FFFFFF#000000##FFFFFF
##A23C211.006.553.206.55
#FFFFFF6.551.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F1D
Deuteranopia (green-blind)
#72661D
Tritanopia (blue-blind)
#B22237
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a23c21;
/* rgb */ color: rgb(162, 60, 33);
/* oklch */ color: oklch(49.5% 0.141 35.6);
Tailwind
colors: {
  custom: {
    50: '#c5765e',
    500: '#a23c21',
    950: '#000000',
  },
}
SCSS
$custom: #a23c21;
$custom-light: #c5765e;
$custom-dark: #000000;
JSON
{
  "hex": "#a23c21",
  "rgb": {
    "r": 162,
    "g": 60,
    "b": 33
  },
  "hsl": {
    "h": 12.558,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49499,
    "c": 0.14121,
    "h": 35.6
  },
  "luminance": 0.11023
}

Semantic roles & 50–950 ramp

primary
#A23C21
secondary
#5CADC3
accent
#C5E93F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140904
muted
#837B79

Preview Lab

Preview with #A23C21

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

Preview Lab → · Contrast checker → · Palette generator →

#A23C21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva