#A64340#A64340

#A64340 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.5% C 0.132 H 24.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#A64340
RGBrgb(166, 67, 64)
HSLhsl(2, 44%, 45%)
HSVhsv(2, 61%, 65%)
CMYKcmyk(0%, 59.6%, 61.4%, 34.9%)
CIE-LABlab(41.99, 40.64, 22.72)
CIE-LCHlch(41.99, 46.56, 29.20°)
OKLaboklab(51.55% 0.1199 0.0548)
OKLCHoklch(51.55% 0.132 24.6)
XYZxyz(18.6601, 12.4938, 6.2784)
Luminance0.1249 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A64340 #40A3A6
analogous
#A64070 #A64340 #A67640
triadic
#A64340 #40A643 #4340A6
tetradic
#A64340 #70A640 #40A3A6 #7640A6
square
#A64340 #70A640 #40A3A6 #7640A6
split-complementary
#A64340 #40A676 #4070A6
monochromatic
#4E1F1E #7A312F #A64340 #C26461 #D38F8D

Accessibility & contrast

On white

6.00
#A64340 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#A64340 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64340
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A64340#FFFFFF#000000##FFFFFF
##A643401.006.003.506.00
#FFFFFF6.001.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C563F
Deuteranopia (green-blind)
#756B3E
Tritanopia (blue-blind)
#B63043
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #a64340;
/* rgb */ color: rgb(166, 67, 64);
/* oklch */ color: oklch(51.5% 0.132 24.6);
Tailwind
colors: {
  custom: {
    50: '#c67b75',
    500: '#a64340',
    950: '#000000',
  },
}
SCSS
$custom: #a64340;
$custom-light: #c67b75;
$custom-dark: #000000;
JSON
{
  "hex": "#a64340",
  "rgb": {
    "r": 166,
    "g": 67,
    "b": 64
  },
  "hsl": {
    "h": 1.765,
    "s": 44.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5155,
    "c": 0.13176,
    "h": 24.6
  },
  "luminance": 0.12491
}

Semantic roles & 50–950 ramp

primary
#A64340
secondary
#84BCBE
accent
#D0D454
background
#FCF7F7
surface
#F9EEED
border
#D2C9C8
text
#140A08
muted
#827C7B

Preview Lab

Preview with #A64340

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

Preview Lab → · Contrast checker → · Palette generator →

#A64340 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva