#B33B4F#B33B4F

#B33B4F is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.155 H 14.4°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B33B4F
RGB	rgb(179, 59, 79)
HSL	hsl(350, 50%, 47%)
HSV	hsv(350, 67%, 70%)
CMYK	cmyk(0%, 67%, 55.9%, 29.8%)
CIE-LAB	lab(43.18, 49.88, 15.49)
CIE-LCH	lch(43.18, 52.23, 17.25°)
OKLab	oklab(52.97% 0.1501 0.0386)
OKLCH	oklch(52.97% 0.155 14.4)
XYZ	xyz(21.5676, 13.2790, 8.8230)
Luminance	0.1328 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B4F #3BB39F

analogous

#B33B8B #B33B4F #B3633B

triadic

#B33B4F #4FB33B #3B4FB3

tetradic

#B33B4F #8BB33B #3BB39F #633BB3

square

#B33B4F #8BB33B #3BB39F #633BB3

split-complementary

#B33B4F #3BB363 #3B8BB3

monochromatic

#571D26 #852C3B #B33B4F #CB6072 #DA8E9B

Accessibility & contrast

On white

5.75

#B33B4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B33B4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B4F

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B4F	#FFFFFF	#000000	##FFFFFF
##B33B4F	1.00	5.75	3.66	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58564F

Deuteranopia (green-blind)

#776F4C

Tritanopia (blue-blind)

#C32343

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33b4f;
/* rgb */ color: rgb(179, 59, 79);
/* oklch */ color: oklch(53.0% 0.155 14.4);

Tailwind

colors: {
  custom: {
    50: '#d07880',
    500: '#b33b4f',
    950: '#000000',
  },
}

SCSS

$custom: #b33b4f;
$custom-light: #d07880;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b4f",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 79
  },
  "hsl": {
    "h": 350,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52965,
    "c": 0.15503,
    "h": 14.4
  },
  "luminance": 0.13276
}

Semantic roles & 50–950 ramp

primary

#B33B4F

secondary

#85C5BA

accent

#DAC34E

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B33B4F

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

Preview Lab → · Contrast checker → · Palette generator →