#B33533#B33533

#B33533 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.163 H 25.7°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B33533
RGB	rgb(179, 53, 51)
HSL	hsl(1, 56%, 45%)
HSV	hsv(1, 72%, 70%)
CMYK	cmyk(0%, 70.4%, 71.5%, 29.8%)
CIE-LAB	lab(41.80, 50.53, 30.81)
CIE-LCH	lch(41.80, 59.18, 31.37°)
OKLab	oklab(51.78% 0.1469 0.0706)
OKLCH	oklch(51.78% 0.163 25.7)
XYZ	xyz(20.4633, 12.3720, 4.4418)
Luminance	0.1237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33533 #33B1B3

analogous

#B33371 #B33533 #B37533

triadic

#B33533 #33B335 #3533B3

tetradic

#B33533 #71B333 #33B1B3 #7533B3

square

#B33533 #71B333 #33B1B3 #7533B3

split-complementary

#B33533 #33B375 #3371B3

monochromatic

#541918 #832725 #B33533 #CE5755 #DC8684

Accessibility & contrast

On white

6.05

#B33533 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B33533 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33533

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33533	#FFFFFF	#000000	##FFFFFF
##B33533	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595132

Deuteranopia (green-blind)

#786D2F

Tritanopia (blue-blind)

#C50936

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33533;
/* rgb */ color: rgb(179, 53, 51);
/* oklch */ color: oklch(51.8% 0.163 25.7);

Tailwind

colors: {
  custom: {
    50: '#d2756b',
    500: '#b33533',
    950: '#000000',
  },
}

SCSS

$custom: #b33533;
$custom-light: #d2756b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33533",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 51
  },
  "hsl": {
    "h": 0.938,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51775,
    "c": 0.16294,
    "h": 25.7
  },
  "luminance": 0.12369
}

Semantic roles & 50–950 ramp

primary

#B33533

secondary

#7CC4C6

accent

#DDDF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33533

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

Preview Lab → · Contrast checker → · Palette generator →