#B33142#B33142

#B33142 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.166 H 18.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B33142
RGB	rgb(179, 49, 66)
HSL	hsl(352, 57%, 45%)
HSV	hsv(352, 73%, 70%)
CMYK	cmyk(0%, 72.6%, 63.1%, 29.8%)
CIE-LAB	lab(41.50, 52.87, 21.31)
CIE-LCH	lch(41.50, 57.01, 21.95°)
OKLab	oklab(51.63% 0.1574 0.0514)
OKLCH	oklch(51.63% 0.166 18.1)
XYZ	xyz(20.6742, 12.1767, 6.4149)
Luminance	0.1217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33142 #31B3A2

analogous

#B33183 #B33142 #B36131

triadic

#B33142 #42B331 #3142B3

tetradic

#B33142 #83B331 #31B3A2 #6131B3

square

#B33142 #83B331 #31B3A2 #6131B3

split-complementary

#B33142 #31B361 #3183B3

monochromatic

#53171F #832430 #B33142 #D05262 #DD828E

Accessibility & contrast

On white

6.11

#B33142 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B33142 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33142

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33142	#FFFFFF	#000000	##FFFFFF
##B33142	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555042

Deuteranopia (green-blind)

#766C3E

Tritanopia (blue-blind)

#C40438

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33142;
/* rgb */ color: rgb(179, 49, 66);
/* oklch */ color: oklch(51.6% 0.166 18.1);

Tailwind

colors: {
  custom: {
    50: '#d17376',
    500: '#b33142',
    950: '#000000',
  },
}

SCSS

$custom: #b33142;
$custom-light: #d17376;
$custom-dark: #000000;

JSON

{
  "hex": "#b33142",
  "rgb": {
    "r": 179,
    "g": 49,
    "b": 66
  },
  "hsl": {
    "h": 352.154,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51625,
    "c": 0.16561,
    "h": 18.1
  },
  "luminance": 0.12174
}

Semantic roles & 50–950 ramp

primary

#B33142

secondary

#7AC6BC

accent

#E0CC48

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33142

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

Preview Lab → · Contrast checker → · Palette generator →