#B45A33#B45A33

#B45A33 is a mid, vivid orange. Relative luminance 0.173; OKLCH L 56.9% C 0.128 H 42.9°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#B45A33
RGB	rgb(180, 90, 51)
HSL	hsl(18, 56%, 45%)
HSV	hsv(18, 72%, 71%)
CMYK	cmyk(0%, 50%, 71.7%, 29.4%)
CIE-LAB	lab(48.58, 33.56, 38.57)
CIE-LCH	lch(48.58, 51.12, 48.98°)
OKLab	oklab(56.93% 0.0941 0.0874)
OKLCH	oklch(56.93% 0.128 42.9)
XYZ	xyz(23.0782, 17.2574, 5.2470)
Luminance	0.1726 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B45A33 #338DB4

analogous

#B4334C #B45A33 #B49B33

triadic

#B45A33 #33B45A #5A33B4

tetradic

#B45A33 #4CB433 #338DB4 #9B33B4

square

#B45A33 #4CB433 #338DB4 #9B33B4

split-complementary

#B45A33 #33B49B #334CB4

monochromatic

#552A18 #844225 #B45A33 #CF7A55 #DC9F85

Accessibility & contrast

On white

4.72

#B45A33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#B45A33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45A33

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B45A33	#FFFFFF	#000000	##FFFFFF
##B45A33	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)

#73672F

Deuteranopia (green-blind)

#887B31

Tritanopia (blue-blind)

#C54851

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b45a33;
/* rgb */ color: rgb(180, 90, 51);
/* oklch */ color: oklch(56.9% 0.128 42.9);

Tailwind

colors: {
  custom: {
    50: '#d18a6c',
    500: '#b45a33',
    950: '#000000',
  },
}

SCSS

$custom: #b45a33;
$custom-light: #d18a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#b45a33",
  "rgb": {
    "r": 180,
    "g": 90,
    "b": 51
  },
  "hsl": {
    "h": 18.14,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56933,
    "c": 0.12838,
    "h": 42.9
  },
  "luminance": 0.17255
}

Semantic roles & 50–950 ramp

primary

#B45A33

secondary

#7DB0C6

accent

#B2DF49

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C07

muted

#837D7A

Preview Lab

Preview with #B45A33

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

Preview Lab → · Contrast checker → · Palette generator →