#A42B23#A42B23

#A42B23 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.9% C 0.159 H 28.4°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX#A42B23
RGBrgb(164, 43, 35)
HSLhsl(4, 65%, 39%)
HSVhsv(4, 79%, 64%)
CMYKcmyk(0%, 73.8%, 78.7%, 35.7%)
CIE-LABlab(37.38, 48.72, 34.42)
CIE-LCHlch(37.38, 59.65, 35.24°)
OKLaboklab(47.89% 0.1396 0.0756)
OKLCHoklch(47.89% 0.159 28.4)
XYZxyz(16.4790, 9.7442, 2.6029)
Luminance0.0974 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A42B23 #239CA4
analogous
#A4235C #A42B23 #A46C23
triadic
#A42B23 #23A42B #2B23A4
tetradic
#A42B23 #5CA423 #239CA4 #6C23A4
square
#A42B23 #5CA423 #239CA4 #6C23A4
split-complementary
#A42B23 #23A46C #235CA4
monochromatic
#3F110D #721E18 #A42B23 #D33B31 #DE6B64

Accessibility & contrast

On white

7.12
#A42B23 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.95
#A42B23 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42B23
7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A42B23#FFFFFF#000000##FFFFFF
##A42B231.007.122.957.12
#FFFFFF7.121.0021.001.00
#0000002.9521.001.0021.00
##FFFFFF7.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F4721
Deuteranopia (green-blind)
#6D621E
Tritanopia (blue-blind)
#B5002A
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #a42b23;
/* rgb */ color: rgb(164, 43, 35);
/* oklch */ color: oklch(47.9% 0.159 28.4);
Tailwind
colors: {
  custom: {
    50: '#c86d5f',
    500: '#a42b23',
    950: '#000000',
  },
}
SCSS
$custom: #a42b23;
$custom-light: #c86d5f;
$custom-dark: #000000;
JSON
{
  "hex": "#a42b23",
  "rgb": {
    "r": 164,
    "g": 43,
    "b": 35
  },
  "hsl": {
    "h": 3.721,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4789,
    "c": 0.15872,
    "h": 28.4
  },
  "luminance": 0.09742
}

Semantic roles & 50–950 ramp

primary
#A42B23
secondary
#60BDC3
accent
#DDE840
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A42B23

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

Preview Lab → · Contrast checker → · Palette generator →

#A42B23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva