#A64B1F#A64B1F

#A64B1F is a mid, vivid orange. Relative luminance 0.132; OKLCH L 52.3% C 0.133 H 43.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX#A64B1F
RGBrgb(166, 75, 31)
HSLhsl(20, 69%, 39%)
HSVhsv(20, 81%, 65%)
CMYKcmyk(0%, 54.8%, 81.3%, 34.9%)
CIE-LABlab(43.12, 34.88, 42.36)
CIE-LCHlch(43.12, 54.87, 50.53°)
OKLaboklab(52.28% 0.0959 0.0915)
OKLCHoklch(52.28% 0.133 43.6)
XYZxyz(18.4912, 13.2405, 2.8780)
Luminance0.1324 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A64B1F #1F7AA6
analogous
#A61F36 #A64B1F #A68E1F
triadic
#A64B1F #1FA64B #4B1FA6
tetradic
#A64B1F #36A61F #1F7AA6 #8E1FA6
square
#A64B1F #36A61F #1F7AA6 #8E1FA6
split-complementary
#A64B1F #1FA68E #1F36A6
monochromatic
#3F1C0C #723415 #A64B1F #D7632B #E1895E

Accessibility & contrast

On white

5.76
#A64B1F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.65
#A64B1F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64B1F
5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A64B1F#FFFFFF#000000##FFFFFF
##A64B1F1.005.763.655.76
#FFFFFF5.761.0021.001.00
#0000003.6521.001.0021.00
##FFFFFF5.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#655919
Deuteranopia (green-blind)
#7B6E1C
Tritanopia (blue-blind)
#B73742
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #a64b1f;
/* rgb */ color: rgb(166, 75, 31);
/* oklch */ color: oklch(52.3% 0.133 43.6);
Tailwind
colors: {
  custom: {
    50: '#c87f5e',
    500: '#a64b1f',
    950: '#000000',
  },
}
SCSS
$custom: #a64b1f;
$custom-light: #c87f5e;
$custom-dark: #000000;
JSON
{
  "hex": "#a64b1f",
  "rgb": {
    "r": 166,
    "g": 75,
    "b": 31
  },
  "hsl": {
    "h": 19.556,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.52276,
    "c": 0.13253,
    "h": 43.6
  },
  "luminance": 0.13238
}

Semantic roles & 50–950 ramp

primary
#A64B1F
secondary
#5BA3C5
accent
#B2EB3C
background
#FDF7F5
surface
#FAEEE9
border
#D3C9C5
text
#140A04
muted
#837C79

Preview Lab

Preview with #A64B1F

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

Preview Lab → · Contrast checker → · Palette generator →

#A64B1F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva