#B03E33#B03E33

#B03E33 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.151 H 28.8°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B03E33
RGB	rgb(176, 62, 51)
HSL	hsl(5, 55%, 45%)
HSV	hsv(5, 71%, 69%)
CMYK	cmyk(0%, 64.8%, 71%, 31%)
CIE-LAB	lab(42.64, 45.76, 31.65)
CIE-LCH	lch(42.64, 55.64, 34.67°)
OKLab	oklab(52.3% 0.1322 0.0726)
OKLCH	oklch(52.3% 0.151 28.8)
XYZ	xyz(20.2268, 12.9172, 4.5595)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E33 #33A5B0

analogous

#B03367 #B03E33 #B07D33

triadic

#B03E33 #33B03E #3E33B0

tetradic

#B03E33 #67B033 #33A5B0 #7D33B0

square

#B03E33 #67B033 #33A5B0 #7D33B0

split-complementary

#B03E33 #33B07D #3367B0

monochromatic

#511D18 #812D25 #B03E33 #CD5E53 #DB8A82

Accessibility & contrast

On white

5.86

#B03E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B03E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E33

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E33	#FFFFFF	#000000	##FFFFFF
##B03E33	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5531

Deuteranopia (green-blind)

#7A6E30

Tritanopia (blue-blind)

#C1223C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03e33;
/* rgb */ color: rgb(176, 62, 51);
/* oklch */ color: oklch(52.3% 0.151 28.8);

Tailwind

colors: {
  custom: {
    50: '#cf796b',
    500: '#b03e33',
    950: '#000000',
  },
}

SCSS

$custom: #b03e33;
$custom-light: #cf796b;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e33",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 5.28,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52301,
    "c": 0.15083,
    "h": 28.8
  },
  "luminance": 0.12914
}

Semantic roles & 50–950 ramp

primary

#B03E33

secondary

#7BBEC4

accent

#D1DE49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03E33

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

Preview Lab → · Contrast checker → · Palette generator →