#B4731C#B4731C

#B4731C is a mid, vivid orange. Relative luminance 0.220; OKLCH L 61.1% C 0.125 H 67.8°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#B4731C
RGB	rgb(180, 115, 28)
HSL	hsl(34, 73%, 41%)
HSV	hsv(34, 84%, 71%)
CMYK	cmyk(0%, 36.1%, 84.4%, 29.4%)
CIE-LAB	lab(54.08, 18.99, 54.18)
CIE-LCH	lch(54.08, 57.41, 70.69°)
OKLab	oklab(61.11% 0.0472 0.1155)
OKLCH	oklch(61.11% 0.125 67.8)
XYZ	xyz(25.1648, 22.0511, 4.0294)
Luminance	0.2205 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4731C #1C5DB4

analogous

#B4271C #B4731C #A9B41C

triadic

#B4731C #1CB473 #731CB4

tetradic

#B4731C #1CB427 #1C5DB4 #B41CA9

square

#B4731C #1CB427 #1C5DB4 #B41CA9

split-complementary

#B4731C #1CA9B4 #271CB4

monochromatic

#4A2F0C #7F5114 #B4731C #DF932F #E7AF64

Accessibility & contrast

On white

3.88

#B4731C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#B4731C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B4731C

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4731C	#FFFFFF	#000000	##000000
##B4731C	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#887807

Deuteranopia (green-blind)

#98871E

Tritanopia (blue-blind)

#C56363

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #b4731c;
/* rgb */ color: rgb(180, 115, 28);
/* oklch */ color: oklch(61.1% 0.125 67.8);

Tailwind

colors: {
  custom: {
    50: '#d09b61',
    500: '#b4731c',
    950: '#000000',
  },
}

SCSS

$custom: #b4731c;
$custom-light: #d09b61;
$custom-dark: #000000;

JSON

{
  "hex": "#b4731c",
  "rgb": {
    "r": 180,
    "g": 115,
    "b": 28
  },
  "hsl": {
    "h": 34.342,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.61112,
    "c": 0.12476,
    "h": 67.8
  },
  "luminance": 0.22049
}

Semantic roles & 50–950 ramp

primary

#B4731C

secondary

#608ECC

accent

#87F038

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B4731C

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

Preview Lab → · Contrast checker → · Palette generator →