#B3771B#B3771B

#B3771B is a mid, vivid orange. Relative luminance 0.229; OKLCH L 61.7% C 0.124 H 71.5°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#B3771B
RGB	rgb(179, 119, 27)
HSL	hsl(36, 74%, 40%)
HSV	hsv(36, 85%, 70%)
CMYK	cmyk(0%, 33.5%, 84.9%, 29.8%)
CIE-LAB	lab(54.93, 16.29, 55.19)
CIE-LCH	lch(54.93, 57.54, 73.56°)
OKLab	oklab(61.74% 0.0393 0.1175)
OKLCH	oklch(61.74% 0.124 71.5)
XYZ	xyz(25.3871, 22.8589, 4.1119)
Luminance	0.2286 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3771B #1B57B3

analogous

#B32B1B #B3771B #A3B31B

triadic

#B3771B #1BB377 #771BB3

tetradic

#B3771B #1BB32B #1B57B3 #B31BA3

square

#B3771B #1BB32B #1B57B3 #B31BA3

split-complementary

#B3771B #1BA3B3 #2B1BB3

monochromatic

#49300B #7E5413 #B3771B #DF982C #E7B261

Accessibility & contrast

On white

3.77

#B3771B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#B3771B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3771B

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3771B	#FFFFFF	#000000	##000000
##B3771B	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7B03

Deuteranopia (green-blind)

#9A891E

Tritanopia (blue-blind)

#C46866

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #b3771b;
/* rgb */ color: rgb(179, 119, 27);
/* oklch */ color: oklch(61.7% 0.124 71.5);

Tailwind

colors: {
  custom: {
    50: '#d09e61',
    500: '#b3771b',
    950: '#000000',
  },
}

SCSS

$custom: #b3771b;
$custom-light: #d09e61;
$custom-dark: #000000;

JSON

{
  "hex": "#b3771b",
  "rgb": {
    "r": 179,
    "g": 119,
    "b": 27
  },
  "hsl": {
    "h": 36.316,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.6174,
    "c": 0.12391,
    "h": 71.5
  },
  "luminance": 0.22856
}

Semantic roles & 50–950 ramp

primary

#B3771B

secondary

#5E89CC

accent

#80F037

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3771B

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

Preview Lab → · Contrast checker → · Palette generator →