#A23721#A23721

#A23721 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.146 H 33.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#A23721
RGBrgb(162, 55, 33)
HSLhsl(10, 66%, 38%)
HSVhsv(10, 80%, 64%)
CMYKcmyk(0%, 66%, 79.6%, 36.5%)
CIE-LABlab(38.77, 43.09, 36.84)
CIE-LCHlch(38.77, 56.69, 40.54°)
OKLaboklab(48.86% 0.1218 0.0804)
OKLCHoklch(48.86% 0.146 33.4)
XYZxyz(16.5428, 10.5260, 2.5992)
Luminance0.1052 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A23721 #218CA2
analogous
#A2214B #A23721 #A27821
triadic
#A23721 #21A237 #3721A2
tetradic
#A23721 #4BA221 #218CA2 #7821A2
square
#A23721 #4BA221 #218CA2 #7821A2
split-complementary
#A23721 #21A278 #214BA2
monochromatic
#3C140C #6F2617 #A23721 #D4492C #DE755F

Accessibility & contrast

On white

6.76
#A23721 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#A23721 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23721
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A23721#FFFFFF#000000##FFFFFF
##A237211.006.763.106.76
#FFFFFF6.761.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564C1E
Deuteranopia (green-blind)
#70641D
Tritanopia (blue-blind)
#B21933
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a23721;
/* rgb */ color: rgb(162, 55, 33);
/* oklch */ color: oklch(48.9% 0.146 33.4);
Tailwind
colors: {
  custom: {
    50: '#c6735e',
    500: '#a23721',
    950: '#000000',
  },
}
SCSS
$custom: #a23721;
$custom-light: #c6735e;
$custom-dark: #000000;
JSON
{
  "hex": "#a23721",
  "rgb": {
    "r": 162,
    "g": 55,
    "b": 33
  },
  "hsl": {
    "h": 10.233,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48856,
    "c": 0.14596,
    "h": 33.4
  },
  "luminance": 0.10524
}

Semantic roles & 50–950 ramp

primary
#A23721
secondary
#5CB1C3
accent
#CCE93F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A23721

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

Preview Lab → · Contrast checker → · Palette generator →

#A23721 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva