#B33F34#B33F34

#B33F34 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.153 H 28.7°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B33F34
RGB	rgb(179, 63, 52)
HSL	hsl(5, 55%, 45%)
HSV	hsv(5, 71%, 70%)
CMYK	cmyk(0%, 64.8%, 70.9%, 29.8%)
CIE-LAB	lab(43.34, 46.43, 32.02)
CIE-LCH	lch(43.34, 56.40, 34.60°)
OKLab	oklab(52.94% 0.1342 0.0734)
OKLCH	oklch(52.94% 0.153 28.7)
XYZ	xyz(20.9900, 13.3896, 4.7273)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33F34 #34A8B3

analogous

#B33468 #B33F34 #B37E34

triadic

#B33F34 #34B33F #3F34B3

tetradic

#B33F34 #68B334 #34A8B3 #7E34B3

square

#B33F34 #68B334 #34A8B3 #7E34B3

split-complementary

#B33F34 #34B37E #3468B3

monochromatic

#541E18 #842E26 #B33F34 #CE6156 #DC8D86

Accessibility & contrast

On white

5.71

#B33F34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B33F34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33F34

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33F34	#FFFFFF	#000000	##FFFFFF
##B33F34	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5632

Deuteranopia (green-blind)

#7C7030

Tritanopia (blue-blind)

#C5223D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33f34;
/* rgb */ color: rgb(179, 63, 52);
/* oklch */ color: oklch(52.9% 0.153 28.7);

Tailwind

colors: {
  custom: {
    50: '#d17a6c',
    500: '#b33f34',
    950: '#000000',
  },
}

SCSS

$custom: #b33f34;
$custom-light: #d17a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33f34",
  "rgb": {
    "r": 179,
    "g": 63,
    "b": 52
  },
  "hsl": {
    "h": 5.197,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52936,
    "c": 0.15294,
    "h": 28.7
  },
  "luminance": 0.13387
}

Semantic roles & 50–950 ramp

primary

#B33F34

secondary

#7DBFC5

accent

#D1DE49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B33F34

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

Preview Lab → · Contrast checker → · Palette generator →