#B0731C#B0731C

#B0731C is a mid, vivid orange. Relative luminance 0.216; OKLCH L 60.6% C 0.122 H 69.7°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#B0731C
RGB	rgb(176, 115, 28)
HSL	hsl(35, 73%, 40%)
HSV	hsv(35, 84%, 69%)
CMYK	cmyk(0%, 34.7%, 84.1%, 31%)
CIE-LAB	lab(53.58, 17.21, 53.55)
CIE-LCH	lch(53.58, 56.25, 72.18°)
OKLab	oklab(60.61% 0.0423 0.1144)
OKLCH	oklch(60.61% 0.122 69.7)
XYZ	xyz(24.2468, 21.5777, 3.9863)
Luminance	0.2157 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0731C #1C59B0

analogous

#B0291C #B0731C #A3B01C

triadic

#B0731C #1CB073 #731CB0

tetradic

#B0731C #1CB029 #1C59B0 #B01CA3

square

#B0731C #1CB029 #1C59B0 #B01CA3

split-complementary

#B0731C #1CA3B0 #291CB0

monochromatic

#462E0B #7B5014 #B0731C #DD942C #E6AF61

Accessibility & contrast

On white

3.95

#B0731C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#B0731C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B0731C

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0731C	#FFFFFF	#000000	##000000
##B0731C	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#877708

Deuteranopia (green-blind)

#96861F

Tritanopia (blue-blind)

#C06463

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #b0731c;
/* rgb */ color: rgb(176, 115, 28);
/* oklch */ color: oklch(60.6% 0.122 69.7);

Tailwind

colors: {
  custom: {
    50: '#cd9b61',
    500: '#b0731c',
    950: '#000000',
  },
}

SCSS

$custom: #b0731c;
$custom-light: #cd9b61;
$custom-dark: #000000;

JSON

{
  "hex": "#b0731c",
  "rgb": {
    "r": 176,
    "g": 115,
    "b": 28
  },
  "hsl": {
    "h": 35.27,
    "s": 72.549,
    "l": 40
  },
  "oklch": {
    "l": 0.60611,
    "c": 0.12194,
    "h": 69.7
  },
  "luminance": 0.21575
}

Semantic roles & 50–950 ramp

primary

#B0731C

secondary

#5E8ACA

accent

#84EF39

background

#FDF9F6

surface

#FAF2EB

border

#D3CCC6

text

#150E05

muted

#837E7A

Preview Lab

Preview with #B0731C

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

Preview Lab → · Contrast checker → · Palette generator →