#B33D43#B33D43

#B33D43 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.153 H 21.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B33D43
RGB	rgb(179, 61, 67)
HSL	hsl(357, 49%, 47%)
HSV	hsv(357, 66%, 70%)
CMYK	cmyk(0%, 65.9%, 62.6%, 29.8%)
CIE-LAB	lab(43.26, 48.17, 22.96)
CIE-LCH	lch(43.26, 53.36, 25.49°)
OKLab	oklab(52.94% 0.1427 0.0553)
OKLCH	oklch(52.94% 0.153 21.2)
XYZ	xyz(21.2743, 13.3294, 6.7617)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D43 #3DB3AD

analogous

#B33D7E #B33D43 #B3723D

triadic

#B33D43 #43B33D #3D43B3

tetradic

#B33D43 #7EB33D #3DB3AD #723DB3

square

#B33D43 #7EB33D #3DB3AD #723DB3

split-complementary

#B33D43 #3DB372 #3D7EB3

monochromatic

#581E21 #852D32 #B33D43 #CA6368 #D99195

Accessibility & contrast

On white

5.73

#B33D43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B33D43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D43

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D43	#FFFFFF	#000000	##FFFFFF
##B33D43	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5642

Deuteranopia (green-blind)

#7A6F40

Tritanopia (blue-blind)

#C42240

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33d43;
/* rgb */ color: rgb(179, 61, 67);
/* oklch */ color: oklch(52.9% 0.153 21.2);

Tailwind

colors: {
  custom: {
    50: '#d07977',
    500: '#b33d43',
    950: '#000000',
  },
}

SCSS

$custom: #b33d43;
$custom-light: #d07977;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d43",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 67
  },
  "hsl": {
    "h": 356.949,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52944,
    "c": 0.15298,
    "h": 21.2
  },
  "luminance": 0.13326
}

Semantic roles & 50–950 ramp

primary

#B33D43

secondary

#87C5C1

accent

#D9D24F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33D43

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

Preview Lab → · Contrast checker → · Palette generator →