#A64E1F#A64E1F

#A64E1F is a mid, vivid orange. Relative luminance 0.137; OKLCH L 52.7% C 0.130 H 45.5°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#A64E1F
RGBrgb(166, 78, 31)
HSLhsl(21, 69%, 39%)
HSVhsv(21, 81%, 65%)
CMYKcmyk(0%, 53%, 81.3%, 34.9%)
CIE-LABlab(43.74, 33.32, 42.94)
CIE-LCHlch(43.74, 54.35, 52.19°)
OKLaboklab(52.74% 0.0912 0.0927)
OKLCHoklch(52.74% 0.13 45.5)
XYZxyz(18.6995, 13.6571, 2.9474)
Luminance0.1366 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A64E1F #1F77A6
analogous
#A61F33 #A64E1F #A6911F
triadic
#A64E1F #1FA64E #4E1FA6
tetradic
#A64E1F #33A61F #1F77A6 #911FA6
square
#A64E1F #33A61F #1F77A6 #911FA6
split-complementary
#A64E1F #1FA691 #1F33A6
monochromatic
#3F1E0C #723615 #A64E1F #D7672B #E18C5E

Accessibility & contrast

On white

5.63
#A64E1F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.73
#A64E1F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64E1F
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A64E1F#FFFFFF#000000##FFFFFF
##A64E1F1.005.633.735.63
#FFFFFF5.631.0021.001.00
#0000003.7321.001.0021.00
##FFFFFF5.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#675B18
Deuteranopia (green-blind)
#7C6F1D
Tritanopia (blue-blind)
#B63B44
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #a64e1f;
/* rgb */ color: rgb(166, 78, 31);
/* oklch */ color: oklch(52.7% 0.130 45.5);
Tailwind
colors: {
  custom: {
    50: '#c7815e',
    500: '#a64e1f',
    950: '#000000',
  },
}
SCSS
$custom: #a64e1f;
$custom-light: #c7815e;
$custom-dark: #000000;
JSON
{
  "hex": "#a64e1f",
  "rgb": {
    "r": 166,
    "g": 78,
    "b": 31
  },
  "hsl": {
    "h": 20.889,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.52744,
    "c": 0.13005,
    "h": 45.5
  },
  "luminance": 0.13655
}

Semantic roles & 50–950 ramp

primary
#A64E1F
secondary
#5BA1C5
accent
#AEEB3C
background
#FDF8F5
surface
#FAEFE9
border
#D3CAC5
text
#140A05
muted
#837C79

Preview Lab

Preview with #A64E1F

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

Preview Lab → · Contrast checker → · Palette generator →

#A64E1F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva