#B3741B#B3741B

#B3741B is a mid, vivid orange. Relative luminance 0.222; OKLCH L 61.2% C 0.124 H 69.2°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#B3741B
RGB	rgb(179, 116, 27)
HSL	hsl(35, 74%, 40%)
HSV	hsv(35, 85%, 70%)
CMYK	cmyk(0%, 35.2%, 84.9%, 29.8%)
CIE-LAB	lab(54.19, 17.96, 54.56)
CIE-LCH	lch(54.19, 57.44, 71.78°)
OKLab	oklab(61.17% 0.0442 0.1161)
OKLCH	oklch(61.17% 0.124 69.2)
XYZ	xyz(25.0357, 22.1560, 3.9947)
Luminance	0.2215 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3741B #1B5AB3

analogous

#B3281B #B3741B #A6B31B

triadic

#B3741B #1BB374 #741BB3

tetradic

#B3741B #1BB328 #1B5AB3 #B31BA6

square

#B3741B #1BB328 #1B5AB3 #B31BA6

split-complementary

#B3741B #1BA6B3 #281BB3

monochromatic

#492F0B #7E5213 #B3741B #DF952C #E7B061

Accessibility & contrast

On white

3.87

#B3741B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#B3741B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3741B

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3741B	#FFFFFF	#000000	##000000
##B3741B	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897905

Deuteranopia (green-blind)

#98871E

Tritanopia (blue-blind)

#C46564

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #b3741b;
/* rgb */ color: rgb(179, 116, 27);
/* oklch */ color: oklch(61.2% 0.124 69.2);

Tailwind

colors: {
  custom: {
    50: '#d09c61',
    500: '#b3741b',
    950: '#000000',
  },
}

SCSS

$custom: #b3741b;
$custom-light: #d09c61;
$custom-dark: #000000;

JSON

{
  "hex": "#b3741b",
  "rgb": {
    "r": 179,
    "g": 116,
    "b": 27
  },
  "hsl": {
    "h": 35.132,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.61169,
    "c": 0.12425,
    "h": 69.2
  },
  "luminance": 0.22154
}

Semantic roles & 50–950 ramp

primary

#B3741B

secondary

#5E8CCC

accent

#84F037

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3741B

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

Preview Lab → · Contrast checker → · Palette generator →