#A63E24#A63E24

#A63E24 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.5% C 0.143 H 35.1°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#A63E24
RGBrgb(166, 62, 36)
HSLhsl(12, 64%, 40%)
HSVhsv(12, 78%, 65%)
CMYKcmyk(0%, 62.7%, 78.3%, 34.9%)
CIE-LABlab(40.71, 41.47, 37.44)
CIE-LCHlch(40.71, 55.88, 42.08°)
OKLaboklab(50.46% 0.117 0.0823)
OKLCHoklch(50.46% 0.143 35.1)
XYZxyz(17.7689, 11.6821, 2.9879)
Luminance0.1168 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63E24 #248CA6
analogous
#A6244B #A63E24 #A67F24
triadic
#A63E24 #24A63E #3E24A6
tetradic
#A63E24 #4BA624 #248CA6 #7F24A6
square
#A63E24 #4BA624 #248CA6 #7F24A6
split-complementary
#A63E24 #24A67F #244BA6
monochromatic
#41180E #742B19 #A63E24 #D35434 #DE7E66

Accessibility & contrast

On white

6.29
#A63E24 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.34
#A63E24 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E24
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63E24#FFFFFF#000000##FFFFFF
##A63E241.006.293.346.29
#FFFFFF6.291.0021.001.00
#0000003.3421.001.0021.00
##FFFFFF6.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B5120
Deuteranopia (green-blind)
#756920
Tritanopia (blue-blind)
#B72439
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #a63e24;
/* rgb */ color: rgb(166, 62, 36);
/* oklch */ color: oklch(50.5% 0.143 35.1);
Tailwind
colors: {
  custom: {
    50: '#c87860',
    500: '#a63e24',
    950: '#000000',
  },
}
SCSS
$custom: #a63e24;
$custom-light: #c87860;
$custom-dark: #000000;
JSON
{
  "hex": "#a63e24",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 36
  },
  "hsl": {
    "h": 12,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50459,
    "c": 0.14302,
    "h": 35.1
  },
  "luminance": 0.1168
}

Semantic roles & 50–950 ramp

primary
#A63E24
secondary
#62B0C4
accent
#C6E740
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150905
muted
#837B79

Preview Lab

Preview with #A63E24

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

Preview Lab → · Contrast checker → · Palette generator →

#A63E24 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva