#B4512B#B4512B

#B4512B is a mid, vivid orange. Relative luminance 0.158; OKLCH L 55.4% C 0.139 H 40.5°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#B4512B
RGB	rgb(180, 81, 43)
HSL	hsl(17, 61%, 44%)
HSV	hsv(17, 76%, 71%)
CMYK	cmyk(0%, 55%, 76.1%, 29.4%)
CIE-LAB	lab(46.67, 37.83, 40.69)
CIE-LCH	lch(46.67, 55.56, 47.09°)
OKLab	oklab(55.45% 0.1057 0.0902)
OKLCH	oklch(55.45% 0.139 40.5)
XYZ	xyz(22.2031, 15.7654, 4.1589)
Luminance	0.1576 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4512B #2B8EB4

analogous

#B42B49 #B4512B #B4952B

triadic

#B4512B #2BB451 #512BB4

tetradic

#B4512B #49B42B #2B8EB4 #952BB4

square

#B4512B #49B42B #2B8EB4 #952BB4

split-complementary

#B4512B #2BB495 #2B49B4

monochromatic

#512513 #833B1F #B4512B #D36F49 #DF967A

Accessibility & contrast

On white

5.06

#B4512B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#B4512B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4512B

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4512B	#FFFFFF	#000000	##FFFFFF
##B4512B	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6126

Deuteranopia (green-blind)

#857728

Tritanopia (blue-blind)

#C63B49

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b4512b;
/* rgb */ color: rgb(180, 81, 43);
/* oklch */ color: oklch(55.4% 0.139 40.5);

Tailwind

colors: {
  custom: {
    50: '#d18466',
    500: '#b4512b',
    950: '#000000',
  },
}

SCSS

$custom: #b4512b;
$custom-light: #d18466;
$custom-dark: #000000;

JSON

{
  "hex": "#b4512b",
  "rgb": {
    "r": 180,
    "g": 81,
    "b": 43
  },
  "hsl": {
    "h": 16.642,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55445,
    "c": 0.13893,
    "h": 40.5
  },
  "luminance": 0.15763
}

Semantic roles & 50–950 ramp

primary

#B4512B

secondary

#73B0C7

accent

#B8E543

background

#FDF8F6

surface

#FBEFEB

border

#D4CAC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B4512B

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

Preview Lab → · Contrast checker → · Palette generator →