#B33434#B33434

#B33434 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.164 H 25.0°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B33434
RGB	rgb(179, 52, 52)
HSL	hsl(0, 55%, 45%)
HSV	hsv(0, 71%, 70%)
CMYK	cmyk(0%, 70.9%, 70.9%, 29.8%)
CIE-LAB	lab(41.67, 50.97, 30.06)
CIE-LCH	lch(41.67, 59.17, 30.54°)
OKLab	oklab(51.69% 0.1485 0.0691)
OKLCH	oklch(51.69% 0.164 25)
XYZ	xyz(20.4405, 12.2907, 4.5442)
Luminance	0.1229 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33434 #34B3B3

analogous

#B33473 #B33434 #B37334

triadic

#B33434 #34B334 #3434B3

tetradic

#B33434 #73B334 #34B3B3 #7334B3

square

#B33434 #73B334 #34B3B3 #7334B3

split-complementary

#B33434 #34B373 #3473B3

monochromatic

#541818 #842626 #B33434 #CE5656 #DC8686

Accessibility & contrast

On white

6.07

#B33434 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B33434 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33434

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33434	#FFFFFF	#000000	##FFFFFF
##B33434	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585133

Deuteranopia (green-blind)

#786C30

Tritanopia (blue-blind)

#C50636

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33434;
/* rgb */ color: rgb(179, 52, 52);
/* oklch */ color: oklch(51.7% 0.164 25.0);

Tailwind

colors: {
  custom: {
    50: '#d2746b',
    500: '#b33434',
    950: '#000000',
  },
}

SCSS

$custom: #b33434;
$custom-light: #d2746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33434",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 52
  },
  "hsl": {
    "h": 0,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51685,
    "c": 0.16376,
    "h": 25
  },
  "luminance": 0.12288
}

Semantic roles & 50–950 ramp

primary

#B33434

secondary

#7DC5C5

accent

#DEDE49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33434

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

Preview Lab → · Contrast checker → · Palette generator →