#B3661B#B3661B

#B3661B is a mid, vivid orange. Relative luminance 0.192; OKLCH L 58.6% C 0.129 H 58.6°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#B3661B
RGB	rgb(179, 102, 27)
HSL	hsl(30, 74%, 40%)
HSV	hsv(30, 85%, 70%)
CMYK	cmyk(0%, 43%, 84.9%, 29.8%)
CIE-LAB	lab(50.88, 25.71, 51.74)
CIE-LCH	lch(50.88, 57.78, 63.57°)
OKLab	oklab(58.61% 0.067 0.1099)
OKLCH	oklch(58.61% 0.129 58.6)
XYZ	xyz(23.5418, 19.1682, 3.4968)
Luminance	0.1917 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3661B #1B68B3

analogous

#B31B1C #B3661B #B3B21B

triadic

#B3661B #1BB366 #661BB3

tetradic

#B3661B #1CB31B #1B68B3 #B21BB3

square

#B3661B #1CB31B #1B68B3 #B21BB3

split-complementary

#B3661B #1BB3B2 #1B1CB3

monochromatic

#49290B #7E4813 #B3661B #DF842C #E7A361

Accessibility & contrast

On white

4.34

#B3661B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#B3661B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3661B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3661B	#FFFFFF	#000000	##000000
##B3661B	1.00	4.34	4.83	4.83
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D6E0B

Deuteranopia (green-blind)

#90801B

Tritanopia (blue-blind)

#C45558

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #b3661b;
/* rgb */ color: rgb(179, 102, 27);
/* oklch */ color: oklch(58.6% 0.129 58.6);

Tailwind

colors: {
  custom: {
    50: '#d0925f',
    500: '#b3661b',
    950: '#000000',
  },
}

SCSS

$custom: #b3661b;
$custom-light: #d0925f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3661b",
  "rgb": {
    "r": 179,
    "g": 102,
    "b": 27
  },
  "hsl": {
    "h": 29.605,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.58608,
    "c": 0.12865,
    "h": 58.6
  },
  "luminance": 0.19166
}

Semantic roles & 50–950 ramp

primary

#B3661B

secondary

#5E96CC

accent

#95F037

background

#FDF9F5

surface

#FBF1EA

border

#D4CBC6

text

#150D05

muted

#837E79

Preview Lab

Preview with #B3661B

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

Preview Lab → · Contrast checker → · Palette generator →