#B3751A#B3751A

#B3751A is a mid, vivid orange. Relative luminance 0.224; OKLCH L 61.4% C 0.124 H 70.1°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#B3751A
RGB	rgb(179, 117, 26)
HSL	hsl(36, 75%, 40%)
HSV	hsv(36, 85%, 70%)
CMYK	cmyk(0%, 34.6%, 85.5%, 29.8%)
CIE-LAB	lab(54.43, 17.37, 55.09)
CIE-LCH	lch(54.43, 57.77, 72.50°)
OKLab	oklab(61.35% 0.0424 0.1171)
OKLCH	oklch(61.35% 0.124 70.1)
XYZ	xyz(25.1402, 22.3833, 3.9735)
Luminance	0.2238 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3751A #1A58B3

analogous

#B3281A #B3751A #A5B31A

triadic

#B3751A #1AB375 #751AB3

tetradic

#B3751A #1AB328 #1A58B3 #B31AA5

square

#B3751A #1AB328 #1A58B3 #B31AA5

split-complementary

#B3751A #1AA5B3 #281AB3

monochromatic

#482F0A #7E5212 #B3751A #E0962A #E8B160

Accessibility & contrast

On white

3.83

#B3751A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#B3751A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3751A

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3751A	#FFFFFF	#000000	##000000
##B3751A	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7902

Deuteranopia (green-blind)

#99881D

Tritanopia (blue-blind)

#C46664

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #b3751a;
/* rgb */ color: rgb(179, 117, 26);
/* oklch */ color: oklch(61.4% 0.124 70.1);

Tailwind

colors: {
  custom: {
    50: '#d09c60',
    500: '#b3751a',
    950: '#000000',
  },
}

SCSS

$custom: #b3751a;
$custom-light: #d09c60;
$custom-dark: #000000;

JSON

{
  "hex": "#b3751a",
  "rgb": {
    "r": 179,
    "g": 117,
    "b": 26
  },
  "hsl": {
    "h": 35.686,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.61353,
    "c": 0.12449,
    "h": 70.1
  },
  "luminance": 0.22381
}

Semantic roles & 50–950 ramp

primary

#B3751A

secondary

#5D8ACC

accent

#82F137

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3751A

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

Preview Lab → · Contrast checker → · Palette generator →