#B3721F#B3721F

#B3721F is a mid, vivid orange. Relative luminance 0.217; OKLCH L 60.8% C 0.123 H 66.9°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#B3721F
RGB	rgb(179, 114, 31)
HSL	hsl(34, 70%, 41%)
HSV	hsv(34, 83%, 70%)
CMYK	cmyk(0%, 36.3%, 82.7%, 29.8%)
CIE-LAB	lab(53.73, 19.19, 52.76)
CIE-LCH	lch(53.73, 56.14, 70.01°)
OKLab	oklab(60.82% 0.0482 0.1132)
OKLCH	oklch(60.82% 0.123 66.9)
XYZ	xyz(24.8571, 21.7197, 4.1793)
Luminance	0.2172 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3721F #1F60B3

analogous

#B3281F #B3721F #AAB31F

triadic

#B3721F #1FB372 #721FB3

tetradic

#B3721F #1FB328 #1F60B3 #B31FAA

square

#B3721F #1FB328 #1F60B3 #B31FAA

split-complementary

#B3721F #1FAAB3 #281FB3

monochromatic

#4B300D #7F5116 #B3721F #DC9233 #E5AE68

Accessibility & contrast

On white

3.93

#B3721F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#B3721F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3721F

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3721F	#FFFFFF	#000000	##000000
##B3721F	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)

#87770E

Deuteranopia (green-blind)

#978621

Tritanopia (blue-blind)

#C46262

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #b3721f;
/* rgb */ color: rgb(179, 114, 31);
/* oklch */ color: oklch(60.8% 0.123 66.9);

Tailwind

colors: {
  custom: {
    50: '#d09a62',
    500: '#b3721f',
    950: '#000000',
  },
}

SCSS

$custom: #b3721f;
$custom-light: #d09a62;
$custom-dark: #000000;

JSON

{
  "hex": "#b3721f",
  "rgb": {
    "r": 179,
    "g": 114,
    "b": 31
  },
  "hsl": {
    "h": 33.649,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.60816,
    "c": 0.12305,
    "h": 66.9
  },
  "luminance": 0.21717
}

Semantic roles & 50–950 ramp

primary

#B3721F

secondary

#6491CA

accent

#89ED3B

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3721F

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

Preview Lab → · Contrast checker → · Palette generator →