#B45A31#B45A31

#B45A31 is a mid, vivid orange. Relative luminance 0.172; OKLCH L 56.9% C 0.129 H 43.7°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#B45A31
RGB	rgb(180, 90, 49)
HSL	hsl(19, 57%, 45%)
HSV	hsv(19, 73%, 71%)
CMYK	cmyk(0%, 50%, 72.8%, 29.4%)
CIE-LAB	lab(48.56, 33.46, 39.60)
CIE-LCH	lch(48.56, 51.84, 49.81°)
OKLab	oklab(56.91% 0.0934 0.0892)
OKLCH	oklch(56.91% 0.129 43.7)
XYZ	xyz(23.0351, 17.2401, 5.0198)
Luminance	0.1724 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B45A31 #318BB4

analogous

#B43149 #B45A31 #B49C31

triadic

#B45A31 #31B45A #5A31B4

tetradic

#B45A31 #49B431 #318BB4 #9C31B4

square

#B45A31 #49B431 #318BB4 #9C31B4

split-complementary

#B45A31 #31B49C #3149B4

monochromatic

#542A17 #844224 #B45A31 #D07A52 #DD9F82

Accessibility & contrast

On white

4.72

#B45A31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#B45A31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45A31

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B45A31	#FFFFFF	#000000	##FFFFFF
##B45A31	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#73672C

Deuteranopia (green-blind)

#897B2F

Tritanopia (blue-blind)

#C54851

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b45a31;
/* rgb */ color: rgb(180, 90, 49);
/* oklch */ color: oklch(56.9% 0.129 43.7);

Tailwind

colors: {
  custom: {
    50: '#d18a6b',
    500: '#b45a31',
    950: '#000000',
  },
}

SCSS

$custom: #b45a31;
$custom-light: #d18a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b45a31",
  "rgb": {
    "r": 180,
    "g": 90,
    "b": 49
  },
  "hsl": {
    "h": 18.779,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56909,
    "c": 0.12913,
    "h": 43.7
  },
  "luminance": 0.17237
}

Semantic roles & 50–950 ramp

primary

#B45A31

secondary

#7BAFC6

accent

#B1E047

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C07

muted

#837D7A

Preview Lab

Preview with #B45A31

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

Preview Lab → · Contrast checker → · Palette generator →