#B33C38#B33C38

#B33C38 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.155 H 25.9°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B33C38
RGB	rgb(179, 60, 56)
HSL	hsl(2, 52%, 46%)
HSV	hsv(2, 69%, 70%)
CMYK	cmyk(0%, 66.5%, 68.7%, 29.8%)
CIE-LAB	lab(42.92, 47.94, 29.17)
CIE-LCH	lch(42.92, 56.11, 31.32°)
OKLab	oklab(52.64% 0.1397 0.0678)
OKLCH	oklch(52.64% 0.155 25.9)
XYZ	xyz(20.9223, 13.1039, 5.1682)
Luminance	0.1310 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C38 #38AFB3

analogous

#B33871 #B33C38 #B37938

triadic

#B33C38 #38B33C #3C38B3

tetradic

#B33C38 #71B338 #38AFB3 #7938B3

square

#B33C38 #71B338 #38AFB3 #7938B3

split-complementary

#B33C38 #38B379 #3871B3

monochromatic

#561D1B #842C29 #B33C38 #CC605C #DB8D8B

Accessibility & contrast

On white

5.80

#B33C38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B33C38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C38

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C38	#FFFFFF	#000000	##FFFFFF
##B33C38	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5537

Deuteranopia (green-blind)

#7A6F34

Tritanopia (blue-blind)

#C51D3C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33c38;
/* rgb */ color: rgb(179, 60, 56);
/* oklch */ color: oklch(52.6% 0.155 25.9);

Tailwind

colors: {
  custom: {
    50: '#d1786f',
    500: '#b33c38',
    950: '#000000',
  },
}

SCSS

$custom: #b33c38;
$custom-light: #d1786f;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c38",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 56
  },
  "hsl": {
    "h": 1.951,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52635,
    "c": 0.15532,
    "h": 25.9
  },
  "luminance": 0.13101
}

Semantic roles & 50–950 ramp

primary

#B33C38

secondary

#82C3C5

accent

#D7DC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33C38

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

Preview Lab → · Contrast checker → · Palette generator →