#B3711A#B3711A

#B3711A is a mid, vivid orange. Relative luminance 0.215; OKLCH L 60.6% C 0.125 H 67.0°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#B3711A
RGB	rgb(179, 113, 26)
HSL	hsl(34, 75%, 40%)
HSV	hsv(34, 85%, 70%)
CMYK	cmyk(0%, 36.9%, 85.5%, 29.8%)
CIE-LAB	lab(53.46, 19.60, 54.28)
CIE-LCH	lch(53.46, 57.71, 70.14°)
OKLab	oklab(60.6% 0.0489 0.1152)
OKLCH	oklch(60.6% 0.125 67)
XYZ	xyz(24.6841, 21.4710, 3.8214)
Luminance	0.2147 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3711A #1A5CB3

analogous

#B3251A #B3711A #A8B31A

triadic

#B3711A #1AB371 #711AB3

tetradic

#B3711A #1AB325 #1A5CB3 #B31AA8

square

#B3711A #1AB325 #1A5CB3 #B31AA8

split-complementary

#B3711A #1AA8B3 #251AB3

monochromatic

#482E0A #7E4F12 #B3711A #E0922A #E8AD60

Accessibility & contrast

On white

3.97

#B3711A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#B3711A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3711A

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3711A	#FFFFFF	#000000	##000000
##B3711A	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#877604

Deuteranopia (green-blind)

#96861C

Tritanopia (blue-blind)

#C46161

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #b3711a;
/* rgb */ color: rgb(179, 113, 26);
/* oklch */ color: oklch(60.6% 0.125 67.0);

Tailwind

colors: {
  custom: {
    50: '#d09a60',
    500: '#b3711a',
    950: '#000000',
  },
}

SCSS

$custom: #b3711a;
$custom-light: #d09a60;
$custom-dark: #000000;

JSON

{
  "hex": "#b3711a",
  "rgb": {
    "r": 179,
    "g": 113,
    "b": 26
  },
  "hsl": {
    "h": 34.118,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.606,
    "c": 0.12517,
    "h": 67
  },
  "luminance": 0.21469
}

Semantic roles & 50–950 ramp

primary

#B3711A

secondary

#5D8DCC

accent

#87F137

background

#FDF9F5

surface

#FBF2EA

border

#D4CCC6

text

#150E05

muted

#837E79

Preview Lab

Preview with #B3711A

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

Preview Lab → · Contrast checker → · Palette generator →