#A3402C#A3402C

#A3402C is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.3% C 0.136 H 33.2°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#A3402C
RGBrgb(163, 64, 44)
HSLhsl(10, 57%, 41%)
HSVhsv(10, 73%, 64%)
CMYKcmyk(0%, 60.7%, 73%, 36.1%)
CIE-LABlab(40.63, 39.76, 32.79)
CIE-LCHlch(40.63, 51.54, 39.51°)
OKLaboklab(50.33% 0.1136 0.0743)
OKLCHoklch(50.33% 0.136 33.2)
XYZxyz(17.3941, 11.6375, 3.7127)
Luminance0.1163 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A3402C #2C8FA3
analogous
#A32C53 #A3402C #A37B2C
triadic
#A3402C #2CA340 #402CA3
tetradic
#A3402C #53A32C #2C8FA3 #7B2CA3
square
#A3402C #53A32C #2C8FA3 #7B2CA3
split-complementary
#A3402C #2CA37B #2C53A3
monochromatic
#431A12 #732D1F #A3402C #CC5841 #D98271

Accessibility & contrast

On white

6.31
#A3402C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.33
#A3402C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3402C
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A3402C#FFFFFF#000000##FFFFFF
##A3402C1.006.313.336.31
#FFFFFF6.311.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B5229
Deuteranopia (green-blind)
#736829
Tritanopia (blue-blind)
#B32A3C
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #a3402c;
/* rgb */ color: rgb(163, 64, 44);
/* oklch */ color: oklch(50.3% 0.136 33.2);
Tailwind
colors: {
  custom: {
    50: '#c57966',
    500: '#a3402c',
    950: '#000000',
  },
}
SCSS
$custom: #a3402c;
$custom-light: #c57966;
$custom-dark: #000000;
JSON
{
  "hex": "#a3402c",
  "rgb": {
    "r": 163,
    "g": 64,
    "b": 44
  },
  "hsl": {
    "h": 10.084,
    "s": 57.488,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50333,
    "c": 0.13572,
    "h": 33.2
  },
  "luminance": 0.11635
}

Semantic roles & 50–950 ramp

primary
#A3402C
secondary
#6BB2C0
accent
#C7E147
background
#FDF7F6
surface
#FAEEEB
border
#D3C9C6
text
#140906
muted
#837B7A

Preview Lab

Preview with #A3402C

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

Preview Lab → · Contrast checker → · Palette generator →

#A3402C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva