#A64438#A64438

#A64438 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.5% C 0.132 H 29.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#A64438
RGBrgb(166, 68, 56)
HSLhsl(7, 50%, 44%)
HSVhsv(7, 66%, 65%)
CMYKcmyk(0%, 59%, 66.3%, 34.9%)
CIE-LABlab(42.05, 39.62, 27.59)
CIE-LCHlch(42.05, 48.28, 34.85°)
OKLaboklab(51.55% 0.1152 0.0648)
OKLCHoklch(51.55% 0.132 29.4)
XYZxyz(18.5086, 12.5292, 5.1843)
Luminance0.1253 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A64438 #389AA6
analogous
#A63863 #A64438 #A67B38
triadic
#A64438 #38A644 #4438A6
tetradic
#A64438 #63A638 #389AA6 #7B38A6
square
#A64438 #63A638 #389AA6 #7B38A6
split-complementary
#A64438 #38A67B #3863A6
monochromatic
#4A1F19 #783129 #A64438 #C66255 #D58C83

Accessibility & contrast

On white

5.99
#A64438 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.51
#A64438 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64438
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A64438#FFFFFF#000000##FFFFFF
##A644381.005.993.515.99
#FFFFFF5.991.0021.001.00
#0000003.5121.001.0021.00
##FFFFFF5.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5636
Deuteranopia (green-blind)
#766B36
Tritanopia (blue-blind)
#B63042
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #a64438;
/* rgb */ color: rgb(166, 68, 56);
/* oklch */ color: oklch(51.5% 0.132 29.4);
Tailwind
colors: {
  custom: {
    50: '#c67b6f',
    500: '#a64438',
    950: '#000000',
  },
}
SCSS
$custom: #a64438;
$custom-light: #c67b6f;
$custom-dark: #000000;
JSON
{
  "hex": "#a64438",
  "rgb": {
    "r": 166,
    "g": 68,
    "b": 56
  },
  "hsl": {
    "h": 6.545,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51549,
    "c": 0.13214,
    "h": 29.4
  },
  "luminance": 0.12527
}

Semantic roles & 50–950 ramp

primary
#A64438
secondary
#7BB8BF
accent
#CAD94F
background
#FDF7F6
surface
#FAEEEC
border
#D3C9C7
text
#140A07
muted
#837C7A

Preview Lab

Preview with #A64438

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

Preview Lab → · Contrast checker → · Palette generator →

#A64438 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva