#B33D34#B33D34

#B33D34 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.155 H 27.9°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B33D34
RGB	rgb(179, 61, 52)
HSL	hsl(4, 55%, 45%)
HSV	hsv(4, 71%, 70%)
CMYK	cmyk(0%, 65.9%, 70.9%, 29.8%)
CIE-LAB	lab(43.02, 47.30, 31.65)
CIE-LCH	lch(43.02, 56.91, 33.79°)
OKLab	oklab(52.69% 0.1369 0.0726)
OKLCH	oklch(52.69% 0.155 27.9)
XYZ	xyz(20.8812, 13.1721, 4.6911)
Luminance	0.1317 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D34 #34AAB3

analogous

#B3346A #B33D34 #B37C34

triadic

#B33D34 #34B33D #3D34B3

tetradic

#B33D34 #6AB334 #34AAB3 #7C34B3

square

#B33D34 #6AB334 #34AAB3 #7C34B3

split-complementary

#B33D34 #34B37C #346AB3

monochromatic

#541D18 #842D26 #B33D34 #CE5F56 #DC8C86

Accessibility & contrast

On white

5.78

#B33D34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B33D34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D34

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D34	#FFFFFF	#000000	##FFFFFF
##B33D34	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5532

Deuteranopia (green-blind)

#7B6F30

Tritanopia (blue-blind)

#C51E3C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33d34;
/* rgb */ color: rgb(179, 61, 52);
/* oklch */ color: oklch(52.7% 0.155 27.9);

Tailwind

colors: {
  custom: {
    50: '#d1796c',
    500: '#b33d34',
    950: '#000000',
  },
}

SCSS

$custom: #b33d34;
$custom-light: #d1796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d34",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 52
  },
  "hsl": {
    "h": 4.252,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52693,
    "c": 0.15495,
    "h": 27.9
  },
  "luminance": 0.13169
}

Semantic roles & 50–950 ramp

primary

#B33D34

secondary

#7DC0C5

accent

#D4DE49

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33D34

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

Preview Lab → · Contrast checker → · Palette generator →