#A64138#A64138

#A64138 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.1% C 0.135 H 27.9°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX#A64138
RGBrgb(166, 65, 56)
HSLhsl(5, 50%, 44%)
HSVhsv(5, 66%, 65%)
CMYKcmyk(0%, 60.8%, 66.3%, 34.9%)
CIE-LABlab(41.49, 41.07, 26.91)
CIE-LCHlch(41.49, 49.10, 33.24°)
OKLaboklab(51.13% 0.1197 0.0633)
OKLCHoklch(51.13% 0.135 27.9)
XYZxyz(18.3318, 12.1755, 5.1254)
Luminance0.1217 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A64138 #389DA6
analogous
#A63866 #A64138 #A67838
triadic
#A64138 #38A641 #4138A6
tetradic
#A64138 #66A638 #389DA6 #7838A6
square
#A64138 #66A638 #389DA6 #7838A6
split-complementary
#A64138 #38A678 #3866A6
monochromatic
#4A1D19 #782F29 #A64138 #C65F55 #D58A83

Accessibility & contrast

On white

6.11
#A64138 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.43
#A64138 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64138
6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A64138#FFFFFF#000000##FFFFFF
##A641381.006.113.436.11
#FFFFFF6.111.0021.001.00
#0000003.4321.001.0021.00
##FFFFFF6.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B5437
Deuteranopia (green-blind)
#756A35
Tritanopia (blue-blind)
#B62C3F
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #a64138;
/* rgb */ color: rgb(166, 65, 56);
/* oklch */ color: oklch(51.1% 0.135 27.9);
Tailwind
colors: {
  custom: {
    50: '#c77a6f',
    500: '#a64138',
    950: '#000000',
  },
}
SCSS
$custom: #a64138;
$custom-light: #c77a6f;
$custom-dark: #000000;
JSON
{
  "hex": "#a64138",
  "rgb": {
    "r": 166,
    "g": 65,
    "b": 56
  },
  "hsl": {
    "h": 4.909,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51133,
    "c": 0.13541,
    "h": 27.9
  },
  "luminance": 0.12173
}

Semantic roles & 50–950 ramp

primary
#A64138
secondary
#7BB9BF
accent
#CED94F
background
#FDF7F6
surface
#FAEEEC
border
#D3C9C7
text
#140907
muted
#837B7A

Preview Lab

Preview with #A64138

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

Preview Lab → · Contrast checker → · Palette generator →

#A64138 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva