#B33439#B33439

#B33439 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.163 H 22.9°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B33439
RGB	rgb(179, 52, 57)
HSL	hsl(358, 55%, 45%)
HSV	hsv(358, 71%, 70%)
CMYK	cmyk(0%, 70.9%, 68.2%, 29.8%)
CIE-LAB	lab(41.75, 51.23, 27.15)
CIE-LCH	lch(41.75, 57.97, 27.92°)
OKLab	oklab(51.76% 0.1503 0.0635)
OKLCH	oklch(51.76% 0.163 22.9)
XYZ	xyz(20.5591, 12.3381, 5.1690)
Luminance	0.1234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33439 #34B3AE

analogous

#B33478 #B33439 #B36F34

triadic

#B33439 #39B334 #3439B3

tetradic

#B33439 #78B334 #34B3AE #6F34B3

square

#B33439 #78B334 #34B3AE #6F34B3

split-complementary

#B33439 #34B36F #3478B3

monochromatic

#54181B #84262A #B33439 #CE565B #DC8689

Accessibility & contrast

On white

6.06

#B33439 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B33439 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33439

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33439	#FFFFFF	#000000	##FFFFFF
##B33439	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575138

Deuteranopia (green-blind)

#776C35

Tritanopia (blue-blind)

#C50937

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33439;
/* rgb */ color: rgb(179, 52, 57);
/* oklch */ color: oklch(51.8% 0.163 22.9);

Tailwind

colors: {
  custom: {
    50: '#d1746f',
    500: '#b33439',
    950: '#000000',
  },
}

SCSS

$custom: #b33439;
$custom-light: #d1746f;
$custom-dark: #000000;

JSON

{
  "hex": "#b33439",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 57
  },
  "hsl": {
    "h": 357.638,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51764,
    "c": 0.16319,
    "h": 22.9
  },
  "luminance": 0.12335
}

Semantic roles & 50–950 ramp

primary

#B33439

secondary

#7DC5C3

accent

#DED849

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33439

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

Preview Lab → · Contrast checker → · Palette generator →