#B33243#B33243

#B33243 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.165 H 17.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B33243
RGB	rgb(179, 50, 67)
HSL	hsl(352, 56%, 45%)
HSV	hsv(352, 72%, 70%)
CMYK	cmyk(0%, 72.1%, 62.6%, 29.8%)
CIE-LAB	lab(41.65, 52.57, 20.88)
CIE-LCH	lch(41.65, 56.57, 21.67°)
OKLab	oklab(51.74% 0.1567 0.0505)
OKLCH	oklch(51.74% 0.165 17.9)
XYZ	xyz(20.7462, 12.2732, 6.5856)
Luminance	0.1227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33243 #32B3A2

analogous

#B33284 #B33243 #B36132

triadic

#B33243 #43B332 #3243B3

tetradic

#B33243 #84B332 #32B3A2 #6132B3

square

#B33243 #84B332 #32B3A2 #6132B3

split-complementary

#B33243 #32B361 #3284B3

monochromatic

#53171F #832531 #B33243 #CF5364 #DC838F

Accessibility & contrast

On white

6.08

#B33243 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B33243 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33243

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33243	#FFFFFF	#000000	##FFFFFF
##B33243	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555143

Deuteranopia (green-blind)

#766C3F

Tritanopia (blue-blind)

#C40939

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33243;
/* rgb */ color: rgb(179, 50, 67);
/* oklch */ color: oklch(51.7% 0.165 17.9);

Tailwind

colors: {
  custom: {
    50: '#d17377',
    500: '#b33243',
    950: '#000000',
  },
}

SCSS

$custom: #b33243;
$custom-light: #d17377;
$custom-dark: #000000;

JSON

{
  "hex": "#b33243",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 352.093,
    "s": 56.332,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51743,
    "c": 0.1646,
    "h": 17.9
  },
  "luminance": 0.1227
}

Semantic roles & 50–950 ramp

primary

#B33243

secondary

#7BC6BC

accent

#E0CC48

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33243

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

Preview Lab → · Contrast checker → · Palette generator →