#A42D1F#A42D1F

#A42D1F is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.0% C 0.158 H 30.4°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX#A42D1F
RGBrgb(164, 45, 31)
HSLhsl(6, 68%, 38%)
HSVhsv(6, 81%, 64%)
CMYKcmyk(0%, 72.6%, 81.1%, 35.7%)
CIE-LABlab(37.61, 47.83, 36.88)
CIE-LCHlch(37.61, 60.40, 37.64°)
OKLaboklab(48.05% 0.136 0.0797)
OKLCHoklch(48.05% 0.158 30.4)
XYZxyz(16.4975, 9.8708, 2.3326)
Luminance0.0987 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A42D1F #1F96A4
analogous
#A41F53 #A42D1F #A46F1F
triadic
#A42D1F #1FA42D #2D1FA4
tetradic
#A42D1F #53A41F #1F96A4 #6F1FA4
square
#A42D1F #53A41F #1F96A4 #6F1FA4
split-complementary
#A42D1F #1FA46F #1F53A4
monochromatic
#3D110C #711F15 #A42D1F #D73C2A #E06B5D

Accessibility & contrast

On white

7.06
#A42D1F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.97
#A42D1F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42D1F
7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A42D1F#FFFFFF#000000##FFFFFF
##A42D1F1.007.062.977.06
#FFFFFF7.061.0021.001.00
#0000002.9721.001.0021.00
##FFFFFF7.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#51481C
Deuteranopia (green-blind)
#6E6219
Tritanopia (blue-blind)
#B5002B
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #a42d1f;
/* rgb */ color: rgb(164, 45, 31);
/* oklch */ color: oklch(48.0% 0.158 30.4);
Tailwind
colors: {
  custom: {
    50: '#c86e5c',
    500: '#a42d1f',
    950: '#000000',
  },
}
SCSS
$custom: #a42d1f;
$custom-light: #c86e5c;
$custom-dark: #000000;
JSON
{
  "hex": "#a42d1f",
  "rgb": {
    "r": 164,
    "g": 45,
    "b": 31
  },
  "hsl": {
    "h": 6.316,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48049,
    "c": 0.15761,
    "h": 30.4
  },
  "luminance": 0.09868
}

Semantic roles & 50–950 ramp

primary
#A42D1F
secondary
#5AB9C5
accent
#D9EB3D
background
#FDF6F5
surface
#FAECE9
border
#D3C7C5
text
#150804
muted
#837B79

Preview Lab

Preview with #A42D1F

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

Preview Lab → · Contrast checker → · Palette generator →

#A42D1F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva