#B3771F#B3771F

#B3771F is a mid, vivid orange. Relative luminance 0.229; OKLCH L 61.8% C 0.122 H 70.9°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B3771F
RGB	rgb(179, 119, 31)
HSL	hsl(36, 70%, 41%)
HSV	hsv(36, 83%, 70%)
CMYK	cmyk(0%, 33.5%, 82.7%, 29.8%)
CIE-LAB	lab(54.95, 16.41, 53.83)
CIE-LCH	lch(54.95, 56.28, 73.05°)
OKLab	oklab(61.76% 0.0401 0.1156)
OKLCH	oklch(61.76% 0.122 70.9)
XYZ	xyz(25.4366, 22.8787, 4.3725)
Luminance	0.2288 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3771F #1F5BB3

analogous

#B32D1F #B3771F #A5B31F

triadic

#B3771F #1FB377 #771FB3

tetradic

#B3771F #1FB32D #1F5BB3 #B31FA5

square

#B3771F #1FB32D #1F5BB3 #B31FA5

split-complementary

#B3771F #1FA5B3 #2D1FB3

monochromatic

#4B320D #7F5416 #B3771F #DC9833 #E5B268

Accessibility & contrast

On white

3.77

#B3771F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#B3771F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3771F

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3771F	#FFFFFF	#000000	##000000
##B3771F	1.00	3.77	5.58	5.58
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7B0C

Deuteranopia (green-blind)

#9A8922

Tritanopia (blue-blind)

#C46866

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #b3771f;
/* rgb */ color: rgb(179, 119, 31);
/* oklch */ color: oklch(61.8% 0.122 70.9);

Tailwind

colors: {
  custom: {
    50: '#cf9e63',
    500: '#b3771f',
    950: '#000000',
  },
}

SCSS

$custom: #b3771f;
$custom-light: #cf9e63;
$custom-dark: #000000;

JSON

{
  "hex": "#b3771f",
  "rgb": {
    "r": 179,
    "g": 119,
    "b": 31
  },
  "hsl": {
    "h": 35.676,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.61763,
    "c": 0.12232,
    "h": 70.9
  },
  "luminance": 0.22876
}

Semantic roles & 50–950 ramp

primary

#B3771F

secondary

#648DCA

accent

#83ED3B

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E06

muted

#837E7A

Preview Lab

Preview with #B3771F

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

Preview Lab → · Contrast checker → · Palette generator →