#B45A37#B45A37

#B45A37 is a mid, vivid orange. Relative luminance 0.173; OKLCH L 57.0% C 0.127 H 41.2°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#B45A37
RGB	rgb(180, 90, 55)
HSL	hsl(17, 53%, 46%)
HSV	hsv(17, 69%, 71%)
CMYK	cmyk(0%, 50%, 69.4%, 29.4%)
CIE-LAB	lab(48.63, 33.77, 36.47)
CIE-LCH	lch(48.63, 49.71, 47.20°)
OKLab	oklab(56.98% 0.0954 0.0836)
OKLCH	oklch(56.98% 0.127 41.2)
XYZ	xyz(23.1702, 17.2942, 5.7316)
Luminance	0.1729 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B45A37 #3791B4

analogous

#B43752 #B45A37 #B49837

triadic

#B45A37 #37B45A #5A37B4

tetradic

#B45A37 #52B437 #3791B4 #9837B4

square

#B45A37 #52B437 #3791B4 #9837B4

split-complementary

#B45A37 #37B498 #3752B4

monochromatic

#562B1A #854329 #B45A37 #CD7B5B #DBA18A

Accessibility & contrast

On white

4.71

#B45A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#B45A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45A37

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B45A37	#FFFFFF	#000000	##FFFFFF
##B45A37	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726733

Deuteranopia (green-blind)

#887B35

Tritanopia (blue-blind)

#C54852

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b45a37;
/* rgb */ color: rgb(180, 90, 55);
/* oklch */ color: oklch(57.0% 0.127 41.2);

Tailwind

colors: {
  custom: {
    50: '#d08a6f',
    500: '#b45a37',
    950: '#000000',
  },
}

SCSS

$custom: #b45a37;
$custom-light: #d08a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b45a37",
  "rgb": {
    "r": 180,
    "g": 90,
    "b": 55
  },
  "hsl": {
    "h": 16.8,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56983,
    "c": 0.12686,
    "h": 41.2
  },
  "luminance": 0.17291
}

Semantic roles & 50–950 ramp

primary

#B45A37

secondary

#81B2C6

accent

#B4DD4B

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150C07

muted

#837D7A

Preview Lab

Preview with #B45A37

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

Preview Lab → · Contrast checker → · Palette generator →