#B3721D#B3721D

#B3721D is a mid, vivid orange. Relative luminance 0.217; OKLCH L 60.8% C 0.124 H 67.3°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#B3721D
RGB	rgb(179, 114, 29)
HSL	hsl(34, 72%, 41%)
HSV	hsv(34, 84%, 70%)
CMYK	cmyk(0%, 36.3%, 83.8%, 29.8%)
CIE-LAB	lab(53.72, 19.13, 53.47)
CIE-LCH	lch(53.72, 56.79, 70.31°)
OKLab	oklab(60.8% 0.0478 0.1143)
OKLCH	oklch(60.8% 0.124 67.3)
XYZ	xyz(24.8316, 21.7095, 4.0448)
Luminance	0.2171 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3721D #1D5EB3

analogous

#B3271D #B3721D #A9B31D

triadic

#B3721D #1DB372 #721DB3

tetradic

#B3721D #1DB327 #1D5EB3 #B31DA9

square

#B3721D #1DB327 #1D5EB3 #B31DA9

split-complementary

#B3721D #1DA9B3 #271DB3

monochromatic

#4A2F0C #7E5014 #B3721D #DD9230 #E6AE64

Accessibility & contrast

On white

3.93

#B3721D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#B3721D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3721D

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3721D	#FFFFFF	#000000	##000000
##B3721D	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)

#87770A

Deuteranopia (green-blind)

#97861F

Tritanopia (blue-blind)

#C46262

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #b3721d;
/* rgb */ color: rgb(179, 114, 29);
/* oklch */ color: oklch(60.8% 0.124 67.3);

Tailwind

colors: {
  custom: {
    50: '#d09a61',
    500: '#b3721d',
    950: '#000000',
  },
}

SCSS

$custom: #b3721d;
$custom-light: #d09a61;
$custom-dark: #000000;

JSON

{
  "hex": "#b3721d",
  "rgb": {
    "r": 179,
    "g": 114,
    "b": 29
  },
  "hsl": {
    "h": 34,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.60804,
    "c": 0.12385,
    "h": 67.3
  },
  "luminance": 0.21707
}

Semantic roles & 50–950 ramp

primary

#B3721D

secondary

#618FCB

accent

#88EF39

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3721D

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

Preview Lab → · Contrast checker → · Palette generator →