#A63433#A63433

#A63433 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.150 H 24.9°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#A63433
RGBrgb(166, 52, 51)
HSLhsl(1, 53%, 43%)
HSVhsv(1, 69%, 65%)
CMYKcmyk(0%, 68.7%, 69.3%, 34.9%)
CIE-LABlab(39.25, 46.59, 27.19)
CIE-LCHlch(39.25, 53.95, 30.26°)
OKLaboklab(49.42% 0.1361 0.0632)
OKLCHoklch(49.42% 0.15 24.9)
XYZxyz(17.5533, 10.8045, 4.2925)
Luminance0.1080 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63433 #33A5A6
analogous
#A6336B #A63433 #A66E33
triadic
#A63433 #33A634 #3433A6
tetradic
#A63433 #6BA633 #33A5A6 #6E33A6
square
#A63433 #6BA633 #33A5A6 #6E33A6
split-complementary
#A63433 #33A66E #336BA6
monochromatic
#481716 #772525 #A63433 #C94F4E #D77D7C

Accessibility & contrast

On white

6.64
#A63433 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.16
#A63433 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63433
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63433#FFFFFF#000000##FFFFFF
##A634331.006.643.166.64
#FFFFFF6.641.0021.001.00
#0000003.1621.001.0021.00
##FFFFFF6.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534D32
Deuteranopia (green-blind)
#706530
Tritanopia (blue-blind)
#B61435
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a63433;
/* rgb */ color: rgb(166, 52, 51);
/* oklch */ color: oklch(49.4% 0.150 24.9);
Tailwind
colors: {
  custom: {
    50: '#c8726b',
    500: '#a63433',
    950: '#000000',
  },
}
SCSS
$custom: #a63433;
$custom-light: #c8726b;
$custom-dark: #000000;
JSON
{
  "hex": "#a63433",
  "rgb": {
    "r": 166,
    "g": 52,
    "b": 51
  },
  "hsl": {
    "h": 0.522,
    "s": 52.995,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49423,
    "c": 0.15003,
    "h": 24.9
  },
  "luminance": 0.10802
}

Semantic roles & 50–950 ramp

primary
#A63433
secondary
#75BFC0
accent
#DBDC4B
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140806
muted
#837B7A

Preview Lab

Preview with #A63433

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

Preview Lab → · Contrast checker → · Palette generator →

#A63433 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva