#A23A21#A23A21

#A23A21 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.2% C 0.143 H 34.7°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#A23A21
RGBrgb(162, 58, 33)
HSLhsl(12, 66%, 38%)
HSVhsv(12, 80%, 64%)
CMYKcmyk(0%, 64.2%, 79.6%, 36.5%)
CIE-LABlab(39.28, 41.73, 37.36)
CIE-LCHlch(39.28, 56.01, 41.83°)
OKLaboklab(49.24% 0.1176 0.0815)
OKLCHoklch(49.24% 0.143 34.7)
XYZxyz(16.6897, 10.8197, 2.6481)
Luminance0.1082 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A23A21 #2189A2
analogous
#A22148 #A23A21 #A27A21
triadic
#A23A21 #21A23A #3A21A2
tetradic
#A23A21 #48A221 #2189A2 #7A21A2
square
#A23A21 #48A221 #2189A2 #7A21A2
split-complementary
#A23A21 #21A27A #2148A2
monochromatic
#3C160C #6F2817 #A23A21 #D44D2C #DE785F

Accessibility & contrast

On white

6.64
#A23A21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#A23A21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23A21
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A23A21#FFFFFF#000000##FFFFFF
##A23A211.006.643.166.64
#FFFFFF6.641.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574E1D
Deuteranopia (green-blind)
#71651D
Tritanopia (blue-blind)
#B21E35
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a23a21;
/* rgb */ color: rgb(162, 58, 33);
/* oklch */ color: oklch(49.2% 0.143 34.7);
Tailwind
colors: {
  custom: {
    50: '#c5755e',
    500: '#a23a21',
    950: '#000000',
  },
}
SCSS
$custom: #a23a21;
$custom-light: #c5755e;
$custom-dark: #000000;
JSON
{
  "hex": "#a23a21",
  "rgb": {
    "r": 162,
    "g": 58,
    "b": 33
  },
  "hsl": {
    "h": 11.628,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49236,
    "c": 0.14311,
    "h": 34.7
  },
  "luminance": 0.10817
}

Semantic roles & 50–950 ramp

primary
#A23A21
secondary
#5CAFC3
accent
#C8E93F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140904
muted
#837B79

Preview Lab

Preview with #A23A21

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

Preview Lab → · Contrast checker → · Palette generator →

#A23A21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva