#B33C2D#B33C2D

#B33C2D is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.157 H 30.3°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B33C2D
RGB	rgb(179, 60, 45)
HSL	hsl(7, 60%, 44%)
HSV	hsv(7, 75%, 70%)
CMYK	cmyk(0%, 66.5%, 74.9%, 29.8%)
CIE-LAB	lab(42.78, 47.40, 35.39)
CIE-LCH	lch(42.78, 59.15, 36.75°)
OKLab	oklab(52.48% 0.1358 0.0793)
OKLCH	oklch(52.48% 0.157 30.3)
XYZ	xyz(20.6822, 13.0079, 3.9038)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C2D #2DA4B3

analogous

#B32D61 #B33C2D #B37F2D

triadic

#B33C2D #2DB33C #3C2DB3

tetradic

#B33C2D #61B32D #2DA4B3 #7F2DB3

square

#B33C2D #61B32D #2DA4B3 #7F2DB3

split-complementary

#B33C2D #2DB37F #2D61B3

monochromatic

#511B14 #822C21 #B33C2D #D25A4B #DE877C

Accessibility & contrast

On white

5.83

#B33C2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B33C2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C2D

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C2D	#FFFFFF	#000000	##FFFFFF
##B33C2D	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552B

Deuteranopia (green-blind)

#7B6F29

Tritanopia (blue-blind)

#C51A39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33c2d;
/* rgb */ color: rgb(179, 60, 45);
/* oklch */ color: oklch(52.5% 0.157 30.3);

Tailwind

colors: {
  custom: {
    50: '#d27867',
    500: '#b33c2d',
    950: '#000000',
  },
}

SCSS

$custom: #b33c2d;
$custom-light: #d27867;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c2d",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 45
  },
  "hsl": {
    "h": 6.716,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5248,
    "c": 0.15721,
    "h": 30.3
  },
  "luminance": 0.13005
}

Semantic roles & 50–950 ramp

primary

#B33C2D

secondary

#75BDC7

accent

#D1E345

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B33C2D

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

Preview Lab → · Contrast checker → · Palette generator →