#B3701B#B3701B

#B3701B is a mid, vivid orange. Relative luminance 0.213; OKLCH L 60.4% C 0.125 H 66.1°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#B3701B
RGB	rgb(179, 112, 27)
HSL	hsl(34, 74%, 40%)
HSV	hsv(34, 85%, 70%)
CMYK	cmyk(0%, 37.4%, 84.9%, 29.8%)
CIE-LAB	lab(53.23, 20.19, 53.74)
CIE-LCH	lch(53.23, 57.41, 69.41°)
OKLab	oklab(60.42% 0.0507 0.1143)
OKLCH	oklch(60.42% 0.125 66.1)
XYZ	xyz(24.5845, 21.2537, 3.8443)
Luminance	0.2125 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3701B #1B5EB3

analogous

#B3241B #B3701B #AAB31B

triadic

#B3701B #1BB370 #701BB3

tetradic

#B3701B #1BB324 #1B5EB3 #B31BAA

square

#B3701B #1BB324 #1B5EB3 #B31BAA

split-complementary

#B3701B #1BAAB3 #241BB3

monochromatic

#492D0B #7E4F13 #B3701B #DF902C #E7AC61

Accessibility & contrast

On white

4.00

#B3701B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#B3701B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3701B

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3701B	#FFFFFF	#000000	##000000
##B3701B	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#867607

Deuteranopia (green-blind)

#95851D

Tritanopia (blue-blind)

#C46060

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #b3701b;
/* rgb */ color: rgb(179, 112, 27);
/* oklch */ color: oklch(60.4% 0.125 66.1);

Tailwind

colors: {
  custom: {
    50: '#d09960',
    500: '#b3701b',
    950: '#000000',
  },
}

SCSS

$custom: #b3701b;
$custom-light: #d09960;
$custom-dark: #000000;

JSON

{
  "hex": "#b3701b",
  "rgb": {
    "r": 179,
    "g": 112,
    "b": 27
  },
  "hsl": {
    "h": 33.553,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.60419,
    "c": 0.12505,
    "h": 66.1
  },
  "luminance": 0.21251
}

Semantic roles & 50–950 ramp

primary

#B3701B

secondary

#5E8ECC

accent

#89F037

background

#FDF9F5

surface

#FBF2EA

border

#D4CCC6

text

#150E05

muted

#837E79

Preview Lab

Preview with #B3701B

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

Preview Lab → · Contrast checker → · Palette generator →