#B3751D#B3751D

#B3751D is a mid, vivid orange. Relative luminance 0.224; OKLCH L 61.4% C 0.123 H 69.6°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#B3751D
RGB	rgb(179, 117, 29)
HSL	hsl(35, 72%, 41%)
HSV	hsv(35, 84%, 70%)
CMYK	cmyk(0%, 34.6%, 83.8%, 29.8%)
CIE-LAB	lab(54.45, 17.46, 54.10)
CIE-LCH	lch(54.45, 56.85, 72.11°)
OKLab	oklab(61.37% 0.0429 0.1156)
OKLCH	oklch(61.37% 0.123 69.6)
XYZ	xyz(25.1755, 22.3974, 4.1594)
Luminance	0.2240 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3751D #1D5BB3

analogous

#B32A1D #B3751D #A6B31D

triadic

#B3751D #1DB375 #751DB3

tetradic

#B3751D #1DB32A #1D5BB3 #B31DA6

square

#B3751D #1DB32A #1D5BB3 #B31DA6

split-complementary

#B3751D #1DA6B3 #2A1DB3

monochromatic

#4A300C #7E5314 #B3751D #DD9630 #E6B064

Accessibility & contrast

On white

3.83

#B3751D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#B3751D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3751D

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3751D	#FFFFFF	#000000	##000000
##B3751D	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)

#8A7909

Deuteranopia (green-blind)

#988820

Tritanopia (blue-blind)

#C46665

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #b3751d;
/* rgb */ color: rgb(179, 117, 29);
/* oklch */ color: oklch(61.4% 0.123 69.6);

Tailwind

colors: {
  custom: {
    50: '#d09c62',
    500: '#b3751d',
    950: '#000000',
  },
}

SCSS

$custom: #b3751d;
$custom-light: #d09c62;
$custom-dark: #000000;

JSON

{
  "hex": "#b3751d",
  "rgb": {
    "r": 179,
    "g": 117,
    "b": 29
  },
  "hsl": {
    "h": 35.2,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.6137,
    "c": 0.12334,
    "h": 69.6
  },
  "luminance": 0.22395
}

Semantic roles & 50–950 ramp

primary

#B3751D

secondary

#618DCB

accent

#84EF39

background

#FDF9F6

surface

#FBF2EB

border

#D4CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B3751D

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

Preview Lab → · Contrast checker → · Palette generator →