#B3671B#B3671B

#B3671B is a mid, vivid orange. Relative luminance 0.194; OKLCH L 58.8% C 0.128 H 59.4°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#B3671B
RGB	rgb(179, 103, 27)
HSL	hsl(30, 74%, 40%)
HSV	hsv(30, 85%, 70%)
CMYK	cmyk(0%, 42.5%, 84.9%, 29.8%)
CIE-LAB	lab(51.11, 25.17, 51.94)
CIE-LCH	lch(51.11, 57.72, 64.15°)
OKLab	oklab(58.78% 0.0653 0.1103)
OKLCH	oklch(58.78% 0.128 59.4)
XYZ	xyz(23.6406, 19.3659, 3.5297)
Luminance	0.1936 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3671B #1B67B3

analogous

#B31B1B #B3671B #B3B31B

triadic

#B3671B #1BB367 #671BB3

tetradic

#B3671B #1BB31B #1B67B3 #B31BB3

square

#B3671B #1BB31B #1B67B3 #B31BB3

split-complementary

#B3671B #1BB3B3 #1B1BB3

monochromatic

#492A0B #7E4813 #B3671B #DF862C #E7A461

Accessibility & contrast

On white

4.31

#B3671B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#B3671B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3671B

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3671B	#FFFFFF	#000000	##000000
##B3671B	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E6F0B

Deuteranopia (green-blind)

#90811B

Tritanopia (blue-blind)

#C45659

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #b3671b;
/* rgb */ color: rgb(179, 103, 27);
/* oklch */ color: oklch(58.8% 0.128 59.4);

Tailwind

colors: {
  custom: {
    50: '#d0935f',
    500: '#b3671b',
    950: '#000000',
  },
}

SCSS

$custom: #b3671b;
$custom-light: #d0935f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3671b",
  "rgb": {
    "r": 179,
    "g": 103,
    "b": 27
  },
  "hsl": {
    "h": 30,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.58784,
    "c": 0.1282,
    "h": 59.4
  },
  "luminance": 0.19363
}

Semantic roles & 50–950 ramp

primary

#B3671B

secondary

#5E95CC

accent

#94F037

background

#FDF9F5

surface

#FBF1EA

border

#D4CBC6

text

#150D05

muted

#837E79

Preview Lab

Preview with #B3671B

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

Preview Lab → · Contrast checker → · Palette generator →