#B45531#B45531

#B45531 is a mid, vivid orange. Relative luminance 0.164; OKLCH L 56.1% C 0.133 H 40.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#B45531
RGB	rgb(180, 85, 49)
HSL	hsl(16, 57%, 45%)
HSV	hsv(16, 73%, 71%)
CMYK	cmyk(0%, 52.8%, 72.8%, 29.4%)
CIE-LAB	lab(47.53, 36.06, 38.47)
CIE-LCH	lch(47.53, 52.73, 46.85°)
OKLab	oklab(56.12% 0.1014 0.0867)
OKLCH	oklch(56.12% 0.133 40.6)
XYZ	xyz(22.6274, 16.4249, 4.8839)
Luminance	0.1642 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B45531 #3190B4

analogous

#B4314E #B45531 #B49731

triadic

#B45531 #31B455 #5531B4

tetradic

#B45531 #4EB431 #3190B4 #9731B4

square

#B45531 #4EB431 #3190B4 #9731B4

split-complementary

#B45531 #31B497 #314EB4

monochromatic

#542817 #843E24 #B45531 #D07552 #DD9B82

Accessibility & contrast

On white

4.90

#B45531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#B45531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45531

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B45531	#FFFFFF	#000000	##FFFFFF
##B45531	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F642D

Deuteranopia (green-blind)

#86792F

Tritanopia (blue-blind)

#C5414D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b45531;
/* rgb */ color: rgb(180, 85, 49);
/* oklch */ color: oklch(56.1% 0.133 40.6);

Tailwind

colors: {
  custom: {
    50: '#d1876b',
    500: '#b45531',
    950: '#000000',
  },
}

SCSS

$custom: #b45531;
$custom-light: #d1876b;
$custom-dark: #000000;

JSON

{
  "hex": "#b45531",
  "rgb": {
    "r": 180,
    "g": 85,
    "b": 49
  },
  "hsl": {
    "h": 16.489,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56121,
    "c": 0.13341,
    "h": 40.6
  },
  "luminance": 0.16422
}

Semantic roles & 50–950 ramp

primary

#B45531

secondary

#7BB1C6

accent

#B6E047

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B45531

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

Preview Lab → · Contrast checker → · Palette generator →