#A42C21#A42C21

#A42C21 is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.0% C 0.158 H 29.4°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX#A42C21
RGBrgb(164, 44, 33)
HSLhsl(5, 66%, 39%)
HSVhsv(5, 80%, 64%)
CMYKcmyk(0%, 73.2%, 79.9%, 35.7%)
CIE-LABlab(37.49, 48.28, 35.66)
CIE-LCHlch(37.49, 60.02, 36.45°)
OKLaboklab(47.97% 0.1378 0.0777)
OKLCHoklch(47.97% 0.158 29.4)
XYZxyz(16.4870, 9.8062, 2.4632)
Luminance0.0980 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A42C21 #2199A4
analogous
#A42157 #A42C21 #A46D21
triadic
#A42C21 #21A42C #2C21A4
tetradic
#A42C21 #57A421 #2199A4 #6D21A4
square
#A42C21 #57A421 #2199A4 #6D21A4
split-complementary
#A42C21 #21A46D #2157A4
monochromatic
#3E110C #711E17 #A42C21 #D53B2D #DF6B60

Accessibility & contrast

On white

7.09
#A42C21 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#A42C21 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42C21
7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A42C21#FFFFFF#000000##FFFFFF
##A42C211.007.092.967.09
#FFFFFF7.091.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#50471F
Deuteranopia (green-blind)
#6E621C
Tritanopia (blue-blind)
#B5002B
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #a42c21;
/* rgb */ color: rgb(164, 44, 33);
/* oklch */ color: oklch(48.0% 0.158 29.4);
Tailwind
colors: {
  custom: {
    50: '#c86e5d',
    500: '#a42c21',
    950: '#000000',
  },
}
SCSS
$custom: #a42c21;
$custom-light: #c86e5d;
$custom-dark: #000000;
JSON
{
  "hex": "#a42c21",
  "rgb": {
    "r": 164,
    "g": 44,
    "b": 33
  },
  "hsl": {
    "h": 5.038,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47967,
    "c": 0.15816,
    "h": 29.4
  },
  "luminance": 0.09804
}

Semantic roles & 50–950 ramp

primary
#A42C21
secondary
#5DBBC4
accent
#DBE93E
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A42C21

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

Preview Lab → · Contrast checker → · Palette generator →

#A42C21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva