#B43942#B43942

#B43942 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.158 H 20.4°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B43942
RGB	rgb(180, 57, 66)
HSL	hsl(356, 52%, 46%)
HSV	hsv(356, 68%, 71%)
CMYK	cmyk(0%, 68.3%, 63.3%, 29.4%)
CIE-LAB	lab(42.80, 50.11, 23.03)
CIE-LCH	lch(42.80, 55.15, 24.68°)
OKLab	oklab(52.63% 0.1485 0.0553)
OKLCH	oklch(52.63% 0.158 20.4)
XYZ	xyz(21.2710, 13.0259, 6.5474)
Luminance	0.1302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43942 #39B4AB

analogous

#B43980 #B43942 #B46E39

triadic

#B43942 #42B439 #3942B4

tetradic

#B43942 #80B439 #39B4AB #6E39B4

square

#B43942 #80B439 #39B4AB #6E39B4

split-complementary

#B43942 #39B46E #3980B4

monochromatic

#571C20 #862A31 #B43942 #CC5E66 #DB8D92

Accessibility & contrast

On white

5.83

#B43942 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B43942 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43942

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43942	#FFFFFF	#000000	##FFFFFF
##B43942	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5541

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#C51A3D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43942;
/* rgb */ color: rgb(180, 57, 66);
/* oklch */ color: oklch(52.6% 0.158 20.4);

Tailwind

colors: {
  custom: {
    50: '#d17776',
    500: '#b43942',
    950: '#000000',
  },
}

SCSS

$custom: #b43942;
$custom-light: #d17776;
$custom-dark: #000000;

JSON

{
  "hex": "#b43942",
  "rgb": {
    "r": 180,
    "g": 57,
    "b": 66
  },
  "hsl": {
    "h": 355.61,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52633,
    "c": 0.15844,
    "h": 20.4
  },
  "luminance": 0.13023
}

Semantic roles & 50–950 ramp

primary

#B43942

secondary

#83C5C0

accent

#DBD14C

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43942

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

Preview Lab → · Contrast checker → · Palette generator →