#B33D20#B33D20

#B33D20 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.159 H 34.8°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B33D20
RGB	rgb(179, 61, 32)
HSL	hsl(12, 70%, 41%)
HSV	hsv(12, 82%, 70%)
CMYK	cmyk(0%, 65.9%, 82.1%, 29.8%)
CIE-LAB	lab(42.81, 46.49, 42.35)
CIE-LCH	lch(42.81, 62.89, 42.34°)
OKLab	oklab(52.46% 0.1305 0.0906)
OKLCH	oklch(52.46% 0.159 34.8)
XYZ	xyz(20.5222, 13.0285, 2.8004)
Luminance	0.1303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D20 #2096B3

analogous

#B3204D #B33D20 #B38720

triadic

#B33D20 #20B33D #3D20B3

tetradic

#B33D20 #4DB320 #2096B3 #8720B3

square

#B33D20 #4DB320 #2096B3 #8720B3

split-complementary

#B33D20 #20B387 #204DB3

monochromatic

#4B1A0D #7F2B17 #B33D20 #DB5635 #E48169

Accessibility & contrast

On white

5.83

#B33D20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B33D20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D20

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D20	#FFFFFF	#000000	##FFFFFF
##B33D20	1.00	5.83	3.61	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F541B

Deuteranopia (green-blind)

#7C6F1B

Tritanopia (blue-blind)

#C51A37

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33d20;
/* rgb */ color: rgb(179, 61, 32);
/* oklch */ color: oklch(52.5% 0.159 34.8);

Tailwind

colors: {
  custom: {
    50: '#d2785e',
    500: '#b33d20',
    950: '#000000',
  },
}

SCSS

$custom: #b33d20;
$custom-light: #d2785e;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d20",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 32
  },
  "hsl": {
    "h": 11.837,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.52463,
    "c": 0.15886,
    "h": 34.8
  },
  "luminance": 0.13025
}

Semantic roles & 50–950 ramp

primary

#B33D20

secondary

#65B6CA

accent

#CAEC3B

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B33D20

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

Preview Lab → · Contrast checker → · Palette generator →