#A42F38#A42F38

#A42F38 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.6% C 0.152 H 20.8°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#A42F38
RGBrgb(164, 47, 56)
HSLhsl(355, 55%, 41%)
HSVhsv(355, 71%, 64%)
CMYKcmyk(0%, 71.3%, 65.9%, 35.7%)
CIE-LABlab(38.22, 48.22, 22.76)
CIE-LCHlch(38.22, 53.33, 25.27°)
OKLaboklab(48.61% 0.1425 0.0541)
OKLCHoklch(48.61% 0.152 20.8)
XYZxyz(17.0419, 10.2135, 4.8147)
Luminance0.1021 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A42F38 #2FA49B
analogous
#A42F73 #A42F38 #A4612F
triadic
#A42F38 #38A42F #2F38A4
tetradic
#A42F38 #73A42F #2FA49B #612FA4
square
#A42F38 #73A42F #2FA49B #612FA4
split-complementary
#A42F38 #2FA461 #2F73A4
monochromatic
#451418 #742128 #A42F38 #CA4650 #D8767D

Accessibility & contrast

On white

6.90
#A42F38 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#A42F38 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42F38
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A42F38#FFFFFF#000000##FFFFFF
##A42F381.006.903.046.90
#FFFFFF6.901.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F4A37
Deuteranopia (green-blind)
#6D6335
Tritanopia (blue-blind)
#B40A33
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a42f38;
/* rgb */ color: rgb(164, 47, 56);
/* oklch */ color: oklch(48.6% 0.152 20.8);
Tailwind
colors: {
  custom: {
    50: '#c6706e',
    500: '#a42f38',
    950: '#000000',
  },
}
SCSS
$custom: #a42f38;
$custom-light: #c6706e;
$custom-dark: #000000;
JSON
{
  "hex": "#a42f38",
  "rgb": {
    "r": 164,
    "g": 47,
    "b": 56
  },
  "hsl": {
    "h": 355.385,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48614,
    "c": 0.15246,
    "h": 20.8
  },
  "luminance": 0.10211
}

Semantic roles & 50–950 ramp

primary
#A42F38
secondary
#6FC0B9
accent
#DFD349
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140807
muted
#837B7A

Preview Lab

Preview with #A42F38

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

Preview Lab → · Contrast checker → · Palette generator →

#A42F38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva