#B33929#B33929

#B33929 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.161 H 30.6°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B33929
RGB	rgb(179, 57, 41)
HSL	hsl(7, 63%, 43%)
HSV	hsv(7, 77%, 70%)
CMYK	cmyk(0%, 68.2%, 77.1%, 29.8%)
CIE-LAB	lab(42.27, 48.49, 37.07)
CIE-LCH	lch(42.27, 61.04, 37.40°)
OKLab	oklab(52.08% 0.1384 0.0819)
OKLCH	oklch(52.08% 0.161 30.6)
XYZ	xyz(20.4561, 12.6731, 3.4664)
Luminance	0.1267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33929 #29A3B3

analogous

#B3295E #B33929 #B37E29

triadic

#B33929 #29B339 #3929B3

tetradic

#B33929 #5EB329 #29A3B3 #7E29B3

square

#B33929 #5EB329 #29A3B3 #7E29B3

split-complementary

#B33929 #29B37E #295EB3

monochromatic

#4F1912 #81291E #B33929 #D45545 #E08377

Accessibility & contrast

On white

5.94

#B33929 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B33929 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33929

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33929	#FFFFFF	#000000	##FFFFFF
##B33929	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5326

Deuteranopia (green-blind)

#7A6E24

Tritanopia (blue-blind)

#C51236

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33929;
/* rgb */ color: rgb(179, 57, 41);
/* oklch */ color: oklch(52.1% 0.161 30.6);

Tailwind

colors: {
  custom: {
    50: '#d27664',
    500: '#b33929',
    950: '#000000',
  },
}

SCSS

$custom: #b33929;
$custom-light: #d27664;
$custom-dark: #000000;

JSON

{
  "hex": "#b33929",
  "rgb": {
    "r": 179,
    "g": 57,
    "b": 41
  },
  "hsl": {
    "h": 6.957,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52084,
    "c": 0.1608,
    "h": 30.6
  },
  "luminance": 0.1267
}

Semantic roles & 50–950 ramp

primary

#B33929

secondary

#70BDC7

accent

#D3E642

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B33929

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

Preview Lab → · Contrast checker → · Palette generator →