#B33535#B33535

#B33535 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.163 H 24.9°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B33535
RGB	rgb(179, 53, 53)
HSL	hsl(0, 54%, 45%)
HSV	hsv(0, 70%, 70%)
CMYK	cmyk(0%, 70.4%, 70.4%, 29.8%)
CIE-LAB	lab(41.83, 50.63, 29.65)
CIE-LCH	lch(41.83, 58.67, 30.36°)
OKLab	oklab(51.81% 0.1476 0.0684)
OKLCH	oklch(51.81% 0.163 24.9)
XYZ	xyz(20.5083, 12.3900, 4.6791)
Luminance	0.1239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33535 #35B3B3

analogous

#B33574 #B33535 #B37435

triadic

#B33535 #35B335 #3535B3

tetradic

#B33535 #74B335 #35B3B3 #7435B3

square

#B33535 #74B335 #35B3B3 #7435B3

split-complementary

#B33535 #35B374 #3574B3

monochromatic

#551919 #842727 #B33535 #CD5858 #DB8787

Accessibility & contrast

On white

6.04

#B33535 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B33535 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33535

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33535	#FFFFFF	#000000	##FFFFFF
##B33535	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595134

Deuteranopia (green-blind)

#786D31

Tritanopia (blue-blind)

#C50A37

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33535;
/* rgb */ color: rgb(179, 53, 53);
/* oklch */ color: oklch(51.8% 0.163 24.9);

Tailwind

colors: {
  custom: {
    50: '#d1756c',
    500: '#b33535',
    950: '#000000',
  },
}

SCSS

$custom: #b33535;
$custom-light: #d1756c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33535",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 53
  },
  "hsl": {
    "h": 0,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51805,
    "c": 0.16268,
    "h": 24.9
  },
  "luminance": 0.12387
}

Semantic roles & 50–950 ramp

primary

#B33535

secondary

#7FC5C5

accent

#DEDE4A

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33535

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

Preview Lab → · Contrast checker → · Palette generator →