#A37639#A37639

#A37639 is a mid, moderate orange. Relative luminance 0.210; OKLCH L 59.9% C 0.096 H 72.4°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#A37639
RGBrgb(163, 118, 57)
HSLhsl(35, 48%, 43%)
HSVhsv(35, 65%, 64%)
CMYKcmyk(0%, 27.6%, 65%, 36.1%)
CIE-LABlab(52.99, 11.10, 39.78)
CIE-LCHlch(52.99, 41.30, 74.41°)
OKLaboklab(59.89% 0.0291 0.0916)
OKLCHoklch(59.89% 0.096 72.4)
XYZxyz(22.3226, 21.0405, 6.7556)
Luminance0.2104 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A37639 #3966A3
analogous
#A34139 #A37639 #9BA339
triadic
#A37639 #39A376 #7639A3
tetradic
#A37639 #39A341 #3966A3 #A3399B
square
#A37639 #39A341 #3966A3 #A3399B
split-complementary
#A37639 #399BA3 #4139A3
monochromatic
#483419 #765529 #A37639 #C49555 #D4B183

Accessibility & contrast

On white

4.03
#A37639 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.21
#A37639 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A37639
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A37639#FFFFFF#000000##000000
##A376391.004.035.215.21
#FFFFFF4.031.0021.0021.00
#0000005.2121.001.001.00
##0000005.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#867833
Deuteranopia (green-blind)
#91833B
Tritanopia (blue-blind)
#B16B68
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #a37639;
/* rgb */ color: rgb(163, 118, 57);
/* oklch */ color: oklch(59.9% 0.096 72.4);
Tailwind
colors: {
  custom: {
    50: '#c29d72',
    500: '#a37639',
    950: '#000000',
  },
}
SCSS
$custom: #a37639;
$custom-light: #c29d72;
$custom-dark: #000000;
JSON
{
  "hex": "#a37639",
  "rgb": {
    "r": 163,
    "g": 118,
    "b": 57
  },
  "hsl": {
    "h": 34.528,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.59887,
    "c": 0.09614,
    "h": 72.4
  },
  "luminance": 0.21039
}

Semantic roles & 50–950 ramp

primary
#A37639
secondary
#7A97BD
accent
#8AD850
background
#FCF9F7
surface
#F8F2ED
border
#D1CCC8
text
#130E08
muted
#827E7B

Preview Lab

Preview with #A37639

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

Preview Lab → · Contrast checker → · Palette generator →

#A37639 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva