#A42A23#A42A23

#A42A23 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.8% C 0.160 H 28.1°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX#A42A23
RGBrgb(164, 42, 35)
HSLhsl(3, 65%, 39%)
HSVhsv(3, 79%, 64%)
CMYKcmyk(0%, 74.4%, 78.7%, 35.7%)
CIE-LABlab(37.25, 49.09, 34.28)
CIE-LCHlch(37.25, 59.87, 34.93°)
OKLaboklab(47.79% 0.1407 0.0753)
OKLCHoklch(47.79% 0.16 28.1)
XYZxyz(16.4431, 9.6723, 2.5909)
Luminance0.0967 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A42A23 #239DA4
analogous
#A4235D #A42A23 #A46B23
triadic
#A42A23 #23A42A #2A23A4
tetradic
#A42A23 #5DA423 #239DA4 #6B23A4
square
#A42A23 #5DA423 #239DA4 #6B23A4
split-complementary
#A42A23 #23A46B #235DA4
monochromatic
#3F100D #721D18 #A42A23 #D33A31 #DE6A64

Accessibility & contrast

On white

7.16
#A42A23 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.93
#A42A23 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42A23
7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A42A23#FFFFFF#000000##FFFFFF
##A42A231.007.162.937.16
#FFFFFF7.161.0021.001.00
#0000002.9321.001.0021.00
##FFFFFF7.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F4721
Deuteranopia (green-blind)
#6D611E
Tritanopia (blue-blind)
#B5002A
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #a42a23;
/* rgb */ color: rgb(164, 42, 35);
/* oklch */ color: oklch(47.8% 0.160 28.1);
Tailwind
colors: {
  custom: {
    50: '#c86d5f',
    500: '#a42a23',
    950: '#000000',
  },
}
SCSS
$custom: #a42a23;
$custom-light: #c86d5f;
$custom-dark: #000000;
JSON
{
  "hex": "#a42a23",
  "rgb": {
    "r": 164,
    "g": 42,
    "b": 35
  },
  "hsl": {
    "h": 3.256,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47792,
    "c": 0.15959,
    "h": 28.1
  },
  "luminance": 0.0967
}

Semantic roles & 50–950 ramp

primary
#A42A23
secondary
#60BEC3
accent
#DFE840
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A42A23

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

Preview Lab → · Contrast checker → · Palette generator →

#A42A23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva