#A63334#A63334

#A63334 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.151 H 24.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#A63334
RGBrgb(166, 51, 52)
HSLhsl(359, 53%, 43%)
HSVhsv(359, 69%, 65%)
CMYKcmyk(0%, 69.3%, 68.7%, 34.9%)
CIE-LABlab(39.11, 47.06, 26.42)
CIE-LCHlch(39.11, 53.97, 29.31°)
OKLaboklab(49.33% 0.1378 0.0617)
OKLCHoklch(49.33% 0.151 24.1)
XYZxyz(17.5314, 10.7251, 4.3952)
Luminance0.1072 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63334 #33A6A5
analogous
#A6336E #A63334 #A66B33
triadic
#A63334 #34A633 #3334A6
tetradic
#A63334 #6EA633 #33A6A5 #6B33A6
square
#A63334 #6EA633 #33A6A5 #6B33A6
split-complementary
#A63334 #33A66B #336EA6
monochromatic
#481617 #772525 #A63334 #C94E4F #D77C7D

Accessibility & contrast

On white

6.68
#A63334 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#A63334 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63334
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63334#FFFFFF#000000##FFFFFF
##A633341.006.683.146.68
#FFFFFF6.681.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534C33
Deuteranopia (green-blind)
#706531
Tritanopia (blue-blind)
#B61235
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a63334;
/* rgb */ color: rgb(166, 51, 52);
/* oklch */ color: oklch(49.3% 0.151 24.1);
Tailwind
colors: {
  custom: {
    50: '#c8726b',
    500: '#a63334',
    950: '#000000',
  },
}
SCSS
$custom: #a63334;
$custom-light: #c8726b;
$custom-dark: #000000;
JSON
{
  "hex": "#a63334",
  "rgb": {
    "r": 166,
    "g": 51,
    "b": 52
  },
  "hsl": {
    "h": 359.478,
    "s": 52.995,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49326,
    "c": 0.15092,
    "h": 24.1
  },
  "luminance": 0.10723
}

Semantic roles & 50–950 ramp

primary
#A63334
secondary
#75C0BF
accent
#DCDB4B
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140806
muted
#837B7A

Preview Lab

Preview with #A63334

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

Preview Lab → · Contrast checker → · Palette generator →

#A63334 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva