#B3721B#B3721B

#B3721B is a mid, vivid orange. Relative luminance 0.217; OKLCH L 60.8% C 0.125 H 67.6°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#B3721B
RGB	rgb(179, 114, 27)
HSL	hsl(34, 74%, 40%)
HSV	hsv(34, 85%, 70%)
CMYK	cmyk(0%, 36.3%, 84.9%, 29.8%)
CIE-LAB	lab(53.71, 19.07, 54.15)
CIE-LCH	lch(53.71, 57.41, 70.60°)
OKLab	oklab(60.79% 0.0474 0.1152)
OKLCH	oklch(60.79% 0.125 67.6)
XYZ	xyz(24.8076, 21.6999, 3.9187)
Luminance	0.2170 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3721B #1B5CB3

analogous

#B3261B #B3721B #A8B31B

triadic

#B3721B #1BB372 #721BB3

tetradic

#B3721B #1BB326 #1B5CB3 #B31BA8

square

#B3721B #1BB326 #1B5CB3 #B31BA8

split-complementary

#B3721B #1BA8B3 #261BB3

monochromatic

#492E0B #7E5013 #B3721B #DF932C #E7AE61

Accessibility & contrast

On white

3.93

#B3721B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#B3721B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3721B

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3721B	#FFFFFF	#000000	##000000
##B3721B	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#877706

Deuteranopia (green-blind)

#97861D

Tritanopia (blue-blind)

#C46262

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #b3721b;
/* rgb */ color: rgb(179, 114, 27);
/* oklch */ color: oklch(60.8% 0.125 67.6);

Tailwind

colors: {
  custom: {
    50: '#d09a60',
    500: '#b3721b',
    950: '#000000',
  },
}

SCSS

$custom: #b3721b;
$custom-light: #d09a60;
$custom-dark: #000000;

JSON

{
  "hex": "#b3721b",
  "rgb": {
    "r": 179,
    "g": 114,
    "b": 27
  },
  "hsl": {
    "h": 34.342,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.60792,
    "c": 0.12461,
    "h": 67.6
  },
  "luminance": 0.21697
}

Semantic roles & 50–950 ramp

primary

#B3721B

secondary

#5E8DCC

accent

#87F037

background

#FDF9F5

surface

#FBF2EA

border

#D4CCC6

text

#150E05

muted

#837E79

Preview Lab

Preview with #B3721B

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

Preview Lab → · Contrast checker → · Palette generator →