#B33D4D#B33D4D

#B33D4D is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.153 H 16.1°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B33D4D
RGB	rgb(179, 61, 77)
HSL	hsl(352, 49%, 47%)
HSV	hsv(352, 66%, 70%)
CMYK	cmyk(0%, 65.9%, 57%, 29.8%)
CIE-LAB	lab(43.45, 48.88, 17.09)
CIE-LCH	lch(43.45, 51.78, 19.27°)
OKLab	oklab(53.15% 0.1467 0.0423)
OKLCH	oklch(53.15% 0.153 16.1)
XYZ	xyz(21.6007, 13.4599, 8.4803)
Luminance	0.1346 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D4D #3DB3A3

analogous

#B33D88 #B33D4D #B3683D

triadic

#B33D4D #4DB33D #3D4DB3

tetradic

#B33D4D #88B33D #3DB3A3 #683DB3

square

#B33D4D #88B33D #3DB3A3 #683DB3

split-complementary

#B33D4D #3DB368 #3D88B3

monochromatic

#581E26 #852D39 #B33D4D #CA6371 #D9919B

Accessibility & contrast

On white

5.69

#B33D4D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B33D4D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D4D

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D4D	#FFFFFF	#000000	##FFFFFF
##B33D4D	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A574D

Deuteranopia (green-blind)

#78704A

Tritanopia (blue-blind)

#C42643

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b33d4d;
/* rgb */ color: rgb(179, 61, 77);
/* oklch */ color: oklch(53.1% 0.153 16.1);

Tailwind

colors: {
  custom: {
    50: '#d0797e',
    500: '#b33d4d',
    950: '#000000',
  },
}

SCSS

$custom: #b33d4d;
$custom-light: #d0797e;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d4d",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 77
  },
  "hsl": {
    "h": 351.864,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5315,
    "c": 0.15264,
    "h": 16.1
  },
  "luminance": 0.13457
}

Semantic roles & 50–950 ramp

primary

#B33D4D

secondary

#87C5BC

accent

#D9C64F

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B33D4D

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

Preview Lab → · Contrast checker → · Palette generator →