#A64D38#A64D38

#A64D38 is a mid, vivid red. Relative luminance 0.137; OKLCH L 52.9% C 0.123 H 34.5°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#A64D38
RGBrgb(166, 77, 56)
HSLhsl(11, 50%, 44%)
HSVhsv(11, 66%, 65%)
CMYKcmyk(0%, 53.6%, 66.3%, 34.9%)
CIE-LABlab(43.80, 35.07, 29.72)
CIE-LCHlch(43.80, 45.97, 40.28°)
OKLaboklab(52.88% 0.101 0.0695)
OKLCHoklch(52.88% 0.123 34.5)
XYZxyz(19.0953, 13.7026, 5.3799)
Luminance0.1370 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A64D38 #3891A6
analogous
#A6385A #A64D38 #A68438
triadic
#A64D38 #38A64D #4D38A6
tetradic
#A64D38 #5AA638 #3891A6 #8438A6
square
#A64D38 #5AA638 #3891A6 #8438A6
split-complementary
#A64D38 #38A684 #385AA6
monochromatic
#4A2319 #783829 #A64D38 #C66B55 #D59383

Accessibility & contrast

On white

5.61
#A64D38 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.74
#A64D38 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64D38
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A64D38#FFFFFF#000000##FFFFFF
##A64D381.005.613.745.61
#FFFFFF5.611.0021.001.00
#0000003.7421.001.0021.00
##FFFFFF5.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#645C36
Deuteranopia (green-blind)
#7A6F36
Tritanopia (blue-blind)
#B63C48
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #a64d38;
/* rgb */ color: rgb(166, 77, 56);
/* oklch */ color: oklch(52.9% 0.123 34.5);
Tailwind
colors: {
  custom: {
    50: '#c6816f',
    500: '#a64d38',
    950: '#000000',
  },
}
SCSS
$custom: #a64d38;
$custom-light: #c6816f;
$custom-dark: #000000;
JSON
{
  "hex": "#a64d38",
  "rgb": {
    "r": 166,
    "g": 77,
    "b": 56
  },
  "hsl": {
    "h": 11.455,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52881,
    "c": 0.12263,
    "h": 34.5
  },
  "luminance": 0.137
}

Semantic roles & 50–950 ramp

primary
#A64D38
secondary
#7BB2BF
accent
#BFD94F
background
#FCF8F6
surface
#F9EFEC
border
#D2CAC7
text
#140A07
muted
#827C7A

Preview Lab

Preview with #A64D38

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

Preview Lab → · Contrast checker → · Palette generator →

#A64D38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva