#A63443#A63443

#A63443 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.7% C 0.149 H 16.9°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#A63443
RGBrgb(166, 52, 67)
HSLhsl(352, 52%, 43%)
HSVhsv(352, 69%, 65%)
CMYKcmyk(0%, 68.7%, 59.6%, 34.9%)
CIE-LABlab(39.53, 47.61, 17.66)
CIE-LCHlch(39.53, 50.78, 20.35°)
OKLaboklab(49.72% 0.1424 0.0433)
OKLCHoklch(49.72% 0.149 16.9)
XYZxyz(17.9687, 10.9707, 6.4805)
Luminance0.1097 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63443 #34A697
analogous
#A6347C #A63443 #A65E34
triadic
#A63443 #43A634 #3443A6
tetradic
#A63443 #7CA634 #34A697 #5E34A6
square
#A63443 #7CA634 #34A697 #5E34A6
split-complementary
#A63443 #34A65E #347CA6
monochromatic
#49171D #772530 #A63443 #C84F5F #D77E8A

Accessibility & contrast

On white

6.58
#A63443 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.19
#A63443 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63443
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63443#FFFFFF#000000##FFFFFF
##A634431.006.583.196.58
#FFFFFF6.581.0021.001.00
#0000003.1921.001.0021.00
##FFFFFF6.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#514E43
Deuteranopia (green-blind)
#6E6640
Tritanopia (blue-blind)
#B61A3A
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #a63443;
/* rgb */ color: rgb(166, 52, 67);
/* oklch */ color: oklch(49.7% 0.149 16.9);
Tailwind
colors: {
  custom: {
    50: '#c77377',
    500: '#a63443',
    950: '#000000',
  },
}
SCSS
$custom: #a63443;
$custom-light: #c77377;
$custom-dark: #000000;
JSON
{
  "hex": "#a63443",
  "rgb": {
    "r": 166,
    "g": 52,
    "b": 67
  },
  "hsl": {
    "h": 352.105,
    "s": 52.294,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49724,
    "c": 0.14887,
    "h": 16.9
  },
  "luminance": 0.10968
}

Semantic roles & 50–950 ramp

primary
#A63443
secondary
#76C0B6
accent
#DCC94C
background
#FDF7F7
surface
#FAEDED
border
#D3C8C8
text
#140808
muted
#837B7B

Preview Lab

Preview with #A63443

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

Preview Lab → · Contrast checker → · Palette generator →

#A63443 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva