#B33E33#B33E33

#B33E33 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.154 H 28.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B33E33
RGB	rgb(179, 62, 51)
HSL	hsl(5, 56%, 45%)
HSV	hsv(5, 72%, 70%)
CMYK	cmyk(0%, 65.4%, 71.5%, 29.8%)
CIE-LAB	lab(43.17, 46.82, 32.40)
CIE-LCH	lch(43.17, 56.93, 34.69°)
OKLab	oklab(52.8% 0.1352 0.074)
OKLCH	oklch(52.8% 0.154 28.7)
XYZ	xyz(20.9128, 13.2709, 4.5917)
Luminance	0.1327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E33 #33A8B3

analogous

#B33368 #B33E33 #B37E33

triadic

#B33E33 #33B33E #3E33B3

tetradic

#B33E33 #68B333 #33A8B3 #7E33B3

square

#B33E33 #68B333 #33A8B3 #7E33B3

split-complementary

#B33E33 #33B37E #3368B3

monochromatic

#541D18 #832E25 #B33E33 #CE5F55 #DC8C84

Accessibility & contrast

On white

5.75

#B33E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B33E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E33

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E33	#FFFFFF	#000000	##FFFFFF
##B33E33	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5631

Deuteranopia (green-blind)

#7B6F2F

Tritanopia (blue-blind)

#C5203C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33e33;
/* rgb */ color: rgb(179, 62, 51);
/* oklch */ color: oklch(52.8% 0.154 28.7);

Tailwind

colors: {
  custom: {
    50: '#d1796b',
    500: '#b33e33',
    950: '#000000',
  },
}

SCSS

$custom: #b33e33;
$custom-light: #d1796b;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e33",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 5.156,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52799,
    "c": 0.15413,
    "h": 28.7
  },
  "luminance": 0.13268
}

Semantic roles & 50–950 ramp

primary

#B33E33

secondary

#7CBFC6

accent

#D2DF49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B33E33

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

Preview Lab → · Contrast checker → · Palette generator →