#B33C20#B33C20

#B33C20 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.160 H 34.4°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B33C20
RGB	rgb(179, 60, 32)
HSL	hsl(11, 70%, 41%)
HSV	hsv(11, 82%, 70%)
CMYK	cmyk(0%, 66.5%, 82.1%, 29.8%)
CIE-LAB	lab(42.65, 46.92, 42.20)
CIE-LCH	lch(42.65, 63.11, 41.97°)
OKLab	oklab(52.34% 0.1318 0.0903)
OKLCH	oklch(52.34% 0.16 34.4)
XYZ	xyz(20.4693, 12.9227, 2.7827)
Luminance	0.1292 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33C20 #2097B3

analogous

#B3204D #B33C20 #B38620

triadic

#B33C20 #20B33C #3C20B3

tetradic

#B33C20 #4DB320 #2097B3 #8620B3

square

#B33C20 #4DB320 #2097B3 #8620B3

split-complementary

#B33C20 #20B386 #204DB3

monochromatic

#4B190D #7F2B17 #B33C20 #DB5535 #E48169

Accessibility & contrast

On white

5.86

#B33C20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B33C20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33C20

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33C20	#FFFFFF	#000000	##FFFFFF
##B33C20	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F541B

Deuteranopia (green-blind)

#7C6E1A

Tritanopia (blue-blind)

#C51737

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33c20;
/* rgb */ color: rgb(179, 60, 32);
/* oklch */ color: oklch(52.3% 0.160 34.4);

Tailwind

colors: {
  custom: {
    50: '#d2785e',
    500: '#b33c20',
    950: '#000000',
  },
}

SCSS

$custom: #b33c20;
$custom-light: #d2785e;
$custom-dark: #000000;

JSON

{
  "hex": "#b33c20",
  "rgb": {
    "r": 179,
    "g": 60,
    "b": 32
  },
  "hsl": {
    "h": 11.429,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.52343,
    "c": 0.15976,
    "h": 34.4
  },
  "luminance": 0.1292
}

Semantic roles & 50–950 ramp

primary

#B33C20

secondary

#65B7CA

accent

#CBEC3B

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B33C20

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

Preview Lab → · Contrast checker → · Palette generator →