#B33733#B33733

#B33733 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.161 H 26.3°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B33733
RGB	rgb(179, 55, 51)
HSL	hsl(2, 56%, 45%)
HSV	hsv(2, 72%, 70%)
CMYK	cmyk(0%, 69.3%, 71.5%, 29.8%)
CIE-LAB	lab(42.09, 49.74, 31.15)
CIE-LCH	lch(42.09, 58.69, 32.05°)
OKLab	oklab(51.99% 0.1444 0.0713)
OKLCH	oklch(51.99% 0.161 26.3)
XYZ	xyz(20.5564, 12.5581, 4.4729)
Luminance	0.1255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33733 #33AFB3

analogous

#B3336F #B33733 #B37733

triadic

#B33733 #33B337 #3733B3

tetradic

#B33733 #6FB333 #33AFB3 #7733B3

square

#B33733 #6FB333 #33AFB3 #7733B3

split-complementary

#B33733 #33B377 #336FB3

monochromatic

#541A18 #832825 #B33733 #CE5955 #DC8784

Accessibility & contrast

On white

5.98

#B33733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B33733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33733

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33733	#FFFFFF	#000000	##FFFFFF
##B33733	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5231

Deuteranopia (green-blind)

#796D2F

Tritanopia (blue-blind)

#C51037

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33733;
/* rgb */ color: rgb(179, 55, 51);
/* oklch */ color: oklch(52.0% 0.161 26.3);

Tailwind

colors: {
  custom: {
    50: '#d2766b',
    500: '#b33733',
    950: '#000000',
  },
}

SCSS

$custom: #b33733;
$custom-light: #d2766b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33733",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 1.875,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51991,
    "c": 0.16103,
    "h": 26.3
  },
  "luminance": 0.12555
}

Semantic roles & 50–950 ramp

primary

#B33733

secondary

#7CC3C6

accent

#DADF49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33733

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

Preview Lab → · Contrast checker → · Palette generator →