#B3711C#B3711C

#B3711C is a mid, vivid orange. Relative luminance 0.215; OKLCH L 60.6% C 0.124 H 66.7°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#B3711C
RGB	rgb(179, 113, 28)
HSL	hsl(34, 73%, 41%)
HSV	hsv(34, 84%, 70%)
CMYK	cmyk(0%, 36.9%, 84.4%, 29.8%)
CIE-LAB	lab(53.47, 19.66, 53.61)
CIE-LCH	lch(53.47, 57.10, 69.86°)
OKLab	oklab(60.61% 0.0492 0.1143)
OKLCH	oklch(60.61% 0.124 66.7)
XYZ	xyz(24.7072, 21.4803, 3.9433)
Luminance	0.2148 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3711C #1C5EB3

analogous

#B3261C #B3711C #A9B31C

triadic

#B3711C #1CB371 #711CB3

tetradic

#B3711C #1CB326 #1C5EB3 #B31CA9

square

#B3711C #1CB326 #1C5EB3 #B31CA9

split-complementary

#B3711C #1CA9B3 #261CB3

monochromatic

#492E0B #7E5014 #B3711C #DE912E #E7AD63

Accessibility & contrast

On white

3.97

#B3711C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#B3711C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3711C

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3711C	#FFFFFF	#000000	##000000
##B3711C	1.00	3.97	5.30	5.30
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#867608

Deuteranopia (green-blind)

#96861E

Tritanopia (blue-blind)

#C46161

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #b3711c;
/* rgb */ color: rgb(179, 113, 28);
/* oklch */ color: oklch(60.6% 0.124 66.7);

Tailwind

colors: {
  custom: {
    50: '#d09a61',
    500: '#b3711c',
    950: '#000000',
  },
}

SCSS

$custom: #b3711c;
$custom-light: #d09a61;
$custom-dark: #000000;

JSON

{
  "hex": "#b3711c",
  "rgb": {
    "r": 179,
    "g": 113,
    "b": 28
  },
  "hsl": {
    "h": 33.775,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.60611,
    "c": 0.12444,
    "h": 66.7
  },
  "luminance": 0.21478
}

Semantic roles & 50–950 ramp

primary

#B3711C

secondary

#5F8FCB

accent

#88F038

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3711C

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

Preview Lab → · Contrast checker → · Palette generator →