#B33D4E#B33D4E

#B33D4E is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.153 H 15.6°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B33D4E
RGB	rgb(179, 61, 78)
HSL	hsl(351, 49%, 47%)
HSV	hsv(351, 66%, 70%)
CMYK	cmyk(0%, 65.9%, 56.4%, 29.8%)
CIE-LAB	lab(43.47, 48.96, 16.50)
CIE-LCH	lch(43.47, 51.67, 18.62°)
OKLab	oklab(53.17% 0.147 0.041)
OKLCH	oklch(53.17% 0.153 15.6)
XYZ	xyz(21.6363, 13.4741, 8.6677)
Luminance	0.1347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D4E #3DB3A2

analogous

#B33D89 #B33D4E #B3673D

triadic

#B33D4E #4EB33D #3D4EB3

tetradic

#B33D4E #89B33D #3DB3A2 #673DB3

square

#B33D4E #89B33D #3DB3A2 #673DB3

split-complementary

#B33D4E #3DB367 #3D89B3

monochromatic

#581E26 #852D3A #B33D4E #CA6372 #D9919B

Accessibility & contrast

On white

5.68

#B33D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B33D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D4E

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D4E	#FFFFFF	#000000	##FFFFFF
##B33D4E	1.00	5.68	3.69	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A574E

Deuteranopia (green-blind)

#78704B

Tritanopia (blue-blind)

#C32644

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b33d4e;
/* rgb */ color: rgb(179, 61, 78);
/* oklch */ color: oklch(53.2% 0.153 15.6);

Tailwind

colors: {
  custom: {
    50: '#d0797f',
    500: '#b33d4e',
    950: '#000000',
  },
}

SCSS

$custom: #b33d4e;
$custom-light: #d0797f;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d4e",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 351.356,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53173,
    "c": 0.15266,
    "h": 15.6
  },
  "luminance": 0.13471
}

Semantic roles & 50–950 ramp

primary

#B33D4E

secondary

#87C5BC

accent

#D9C54F

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B33D4E

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

Preview Lab → · Contrast checker → · Palette generator →