#A42921#A42921

#A42921 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.7% C 0.161 H 28.5°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX#A42921
RGBrgb(164, 41, 33)
HSLhsl(4, 66%, 39%)
HSVhsv(4, 80%, 64%)
CMYKcmyk(0%, 75%, 79.9%, 35.7%)
CIE-LABlab(37.10, 49.37, 35.26)
CIE-LCHlch(37.10, 60.67, 35.53°)
OKLaboklab(47.67% 0.1412 0.0768)
OKLCHoklch(47.67% 0.161 28.5)
XYZxyz(16.3792, 9.5908, 2.4273)
Luminance0.0959 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A42921 #219CA4
analogous
#A4215A #A42921 #A46A21
triadic
#A42921 #21A429 #2921A4
tetradic
#A42921 #5AA421 #219CA4 #6A21A4
square
#A42921 #5AA421 #219CA4 #6A21A4
split-complementary
#A42921 #21A46A #215AA4
monochromatic
#3E100C #711C17 #A42921 #D5382D #DF6860

Accessibility & contrast

On white

7.20
#A42921 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.92
#A42921 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42921
7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A42921#FFFFFF#000000##FFFFFF
##A429211.007.202.927.20
#FFFFFF7.201.0021.001.00
#0000002.9221.001.0021.00
##FFFFFF7.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E461F
Deuteranopia (green-blind)
#6D611C
Tritanopia (blue-blind)
#B50029
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #a42921;
/* rgb */ color: rgb(164, 41, 33);
/* oklch */ color: oklch(47.7% 0.161 28.5);
Tailwind
colors: {
  custom: {
    50: '#c86d5d',
    500: '#a42921',
    950: '#000000',
  },
}
SCSS
$custom: #a42921;
$custom-light: #c86d5d;
$custom-dark: #000000;
JSON
{
  "hex": "#a42921",
  "rgb": {
    "r": 164,
    "g": 41,
    "b": 33
  },
  "hsl": {
    "h": 3.664,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47673,
    "c": 0.16073,
    "h": 28.5
  },
  "luminance": 0.09588
}

Semantic roles & 50–950 ramp

primary
#A42921
secondary
#5DBEC4
accent
#DFE93E
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #A42921

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

Preview Lab → · Contrast checker → · Palette generator →

#A42921 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva