#B33A34#B33A34

#B33A34 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.158 H 26.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B33A34
RGB	rgb(179, 58, 52)
HSL	hsl(3, 55%, 45%)
HSV	hsv(3, 71%, 70%)
CMYK	cmyk(0%, 67.6%, 70.9%, 29.8%)
CIE-LAB	lab(42.55, 48.57, 31.10)
CIE-LCH	lch(42.55, 57.67, 32.63°)
OKLab	oklab(52.34% 0.1409 0.0714)
OKLCH	oklch(52.34% 0.158 26.9)
XYZ	xyz(20.7255, 12.8607, 4.6392)
Luminance	0.1286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33A34 #34ADB3

analogous

#B3346D #B33A34 #B37A34

triadic

#B33A34 #34B33A #3A34B3

tetradic

#B33A34 #6DB334 #34ADB3 #7A34B3

square

#B33A34 #6DB334 #34ADB3 #7A34B3

split-complementary

#B33A34 #34B37A #346DB3

monochromatic

#541B18 #842B26 #B33A34 #CE5C56 #DC8A86

Accessibility & contrast

On white

5.88

#B33A34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B33A34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A34

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33A34	#FFFFFF	#000000	##FFFFFF
##B33A34	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5432

Deuteranopia (green-blind)

#7A6E30

Tritanopia (blue-blind)

#C5183A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b33a34;
/* rgb */ color: rgb(179, 58, 52);
/* oklch */ color: oklch(52.3% 0.158 26.9);

Tailwind

colors: {
  custom: {
    50: '#d1776c',
    500: '#b33a34',
    950: '#000000',
  },
}

SCSS

$custom: #b33a34;
$custom-light: #d1776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33a34",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 52
  },
  "hsl": {
    "h": 2.835,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52342,
    "c": 0.15794,
    "h": 26.9
  },
  "luminance": 0.12858
}

Semantic roles & 50–950 ramp

primary

#B33A34

secondary

#7DC2C5

accent

#D7DE49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33A34

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

Preview Lab → · Contrast checker → · Palette generator →