#B33534#B33534

#B33534 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.163 H 25.3°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B33534
RGB	rgb(179, 53, 52)
HSL	hsl(0, 55%, 45%)
HSV	hsv(0, 71%, 70%)
CMYK	cmyk(0%, 70.4%, 70.9%, 29.8%)
CIE-LAB	lab(41.82, 50.58, 30.23)
CIE-LCH	lch(41.82, 58.93, 30.87°)
OKLab	oklab(51.79% 0.1472 0.0695)
OKLCH	oklch(51.79% 0.163 25.3)
XYZ	xyz(20.4856, 12.3809, 4.5592)
Luminance	0.1238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33534 #34B2B3

analogous

#B33473 #B33534 #B37434

triadic

#B33534 #34B335 #3534B3

tetradic

#B33534 #73B334 #34B2B3 #7434B3

square

#B33534 #73B334 #34B2B3 #7434B3

split-complementary

#B33534 #34B374 #3473B3

monochromatic

#541918 #842726 #B33534 #CE5756 #DC8686

Accessibility & contrast

On white

6.04

#B33534 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B33534 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33534

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33534	#FFFFFF	#000000	##FFFFFF
##B33534	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)

#595133

Deuteranopia (green-blind)

#786D30

Tritanopia (blue-blind)

#C50936

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33534;
/* rgb */ color: rgb(179, 53, 52);
/* oklch */ color: oklch(51.8% 0.163 25.3);

Tailwind

colors: {
  custom: {
    50: '#d2756b',
    500: '#b33534',
    950: '#000000',
  },
}

SCSS

$custom: #b33534;
$custom-light: #d2756b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33534",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 52
  },
  "hsl": {
    "h": 0.472,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5179,
    "c": 0.16281,
    "h": 25.3
  },
  "luminance": 0.12378
}

Semantic roles & 50–950 ramp

primary

#B33534

secondary

#7DC5C5

accent

#DDDE49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33534

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

Preview Lab → · Contrast checker → · Palette generator →