#B33C2A#B33C2A

#B33C2A is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.158 H 31.3°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B33C2A
RGB	rgb(179, 60, 42)
HSL	hsl(8, 62%, 43%)
HSV	hsv(8, 77%, 70%)
CMYK	cmyk(0%, 66.5%, 76.5%, 29.8%)
CIE-LAB	lab(42.74, 47.27, 37.03)
CIE-LCH	lch(42.74, 60.05, 38.07°)
OKLab	oklab(52.44% 0.1348 0.0821)
OKLCH	oklch(52.44% 0.158 31.3)
XYZ	xyz(20.6265, 12.9856, 3.6104)
Luminance	0.1298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C2A #2AA1B3

analogous

#B32A5C #B33C2A #B3802A

triadic

#B33C2A #2AB33C #3C2AB3

tetradic

#B33C2A #5CB32A #2AA1B3 #802AB3

square

#B33C2A #5CB32A #2AA1B3 #802AB3

split-complementary

#B33C2A #2AB380 #2A5CB3

monochromatic

#501B13 #812B1E #B33C2A #D45946 #DF8678

Accessibility & contrast

On white

5.84

#B33C2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B33C2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C2A

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C2A	#FFFFFF	#000000	##FFFFFF
##B33C2A	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5427

Deuteranopia (green-blind)

#7B6F26

Tritanopia (blue-blind)

#C51A39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33c2a;
/* rgb */ color: rgb(179, 60, 42);
/* oklch */ color: oklch(52.4% 0.158 31.3);

Tailwind

colors: {
  custom: {
    50: '#d27865',
    500: '#b33c2a',
    950: '#000000',
  },
}

SCSS

$custom: #b33c2a;
$custom-light: #d27865;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c2a",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 42
  },
  "hsl": {
    "h": 7.883,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52444,
    "c": 0.1578,
    "h": 31.3
  },
  "luminance": 0.12983
}

Semantic roles & 50–950 ramp

primary

#B33C2A

secondary

#72BCC7

accent

#D0E543

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B33C2A

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

Preview Lab → · Contrast checker → · Palette generator →