#A63327#A63327

#A63327 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.153 H 29.6°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX#A63327
RGBrgb(166, 51, 39)
HSLhsl(6, 62%, 40%)
HSVhsv(6, 77%, 65%)
CMYKcmyk(0%, 69.3%, 76.5%, 34.9%)
CIE-LABlab(38.94, 46.43, 33.92)
CIE-LCHlch(38.94, 57.50, 36.15°)
OKLaboklab(49.14% 0.133 0.0754)
OKLCHoklch(49.14% 0.153 29.6)
XYZxyz(17.2779, 10.6237, 3.0599)
Luminance0.1062 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63327 #279AA6
analogous
#A6275B #A63327 #A67227
triadic
#A63327 #27A633 #3327A6
tetradic
#A63327 #5BA627 #279AA6 #7227A6
square
#A63327 #5BA627 #279AA6 #7227A6
split-complementary
#A63327 #27A672 #275BA6
monochromatic
#431510 #74241B #A63327 #D1483A #DC766B

Accessibility & contrast

On white

6.72
#A63327 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#A63327 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63327
6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63327#FFFFFF#000000##FFFFFF
##A633271.006.723.126.72
#FFFFFF6.721.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544C25
Deuteranopia (green-blind)
#716523
Tritanopia (blue-blind)
#B70D31
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a63327;
/* rgb */ color: rgb(166, 51, 39);
/* oklch */ color: oklch(49.1% 0.153 29.6);
Tailwind
colors: {
  custom: {
    50: '#c87262',
    500: '#a63327',
    950: '#000000',
  },
}
SCSS
$custom: #a63327;
$custom-light: #c87262;
$custom-dark: #000000;
JSON
{
  "hex": "#a63327",
  "rgb": {
    "r": 166,
    "g": 51,
    "b": 39
  },
  "hsl": {
    "h": 5.669,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4914,
    "c": 0.15291,
    "h": 29.6
  },
  "luminance": 0.10621
}

Semantic roles & 50–950 ramp

primary
#A63327
secondary
#66BAC3
accent
#D6E543
background
#FDF7F5
surface
#FAEDEA
border
#D3C8C6
text
#150805
muted
#837B79

Preview Lab

Preview with #A63327

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

Preview Lab → · Contrast checker → · Palette generator →

#A63327 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva