#B0512B#B0512B

#B0512B is a mid, vivid orange. Relative luminance 0.153; OKLCH L 54.8% C 0.135 H 41.2°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#B0512B
RGB	rgb(176, 81, 43)
HSL	hsl(17, 61%, 43%)
HSV	hsv(17, 76%, 69%)
CMYK	cmyk(0%, 54%, 75.6%, 31%)
CIE-LAB	lab(46.03, 36.26, 39.83)
CIE-LCH	lch(46.03, 53.86, 47.69°)
OKLab	oklab(54.84% 0.1013 0.0886)
OKLCH	oklch(54.84% 0.135 41.2)
XYZ	xyz(21.2851, 15.2921, 4.1158)
Luminance	0.1529 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0512B #2B8AB0

analogous

#B02B47 #B0512B #B0932B

triadic

#B0512B #2BB051 #512BB0

tetradic

#B0512B #47B02B #2B8AB0 #932BB0

square

#B0512B #47B02B #2B8AB0 #932BB0

split-complementary

#B0512B #2BB093 #2B47B0

monochromatic

#4E2413 #7F3A1F #B0512B #D26E46 #DE9578

Accessibility & contrast

On white

5.18

#B0512B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#B0512B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0512B

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0512B	#FFFFFF	#000000	##FFFFFF
##B0512B	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6026

Deuteranopia (green-blind)

#827529

Tritanopia (blue-blind)

#C13D49

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b0512b;
/* rgb */ color: rgb(176, 81, 43);
/* oklch */ color: oklch(54.8% 0.135 41.2);

Tailwind

colors: {
  custom: {
    50: '#ce8466',
    500: '#b0512b',
    950: '#000000',
  },
}

SCSS

$custom: #b0512b;
$custom-light: #ce8466;
$custom-dark: #000000;

JSON

{
  "hex": "#b0512b",
  "rgb": {
    "r": 176,
    "g": 81,
    "b": 43
  },
  "hsl": {
    "h": 17.143,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.54838,
    "c": 0.13452,
    "h": 41.2
  },
  "luminance": 0.15289
}

Semantic roles & 50–950 ramp

primary

#B0512B

secondary

#71AEC6

accent

#B6E444

background

#FDF8F6

surface

#FBEFEB

border

#D4CAC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B0512B

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

Preview Lab → · Contrast checker → · Palette generator →