#B42343#B42343

#B42343 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.6% C 0.179 H 14.8°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#B42343
RGB	rgb(180, 35, 67)
HSL	hsl(347, 67%, 42%)
HSV	hsv(347, 81%, 71%)
CMYK	cmyk(0%, 80.6%, 62.8%, 29.4%)
CIE-LAB	lab(40.10, 57.73, 18.90)
CIE-LCH	lch(40.10, 60.74, 18.13°)
OKLab	oklab(50.63% 0.1731 0.0459)
OKLCH	oklch(50.63% 0.179 14.8)
XYZ	xyz(20.4387, 11.3137, 6.4167)
Luminance	0.1131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42343 #23B494

analogous

#B4238B #B42343 #B44C23

triadic

#B42343 #43B423 #2343B4

tetradic

#B42343 #8BB423 #23B494 #4C23B4

square

#B42343 #8BB423 #23B494 #4C23B4

split-complementary

#B42343 #23B44C #238BB4

monochromatic

#4E0F1D #811930 #B42343 #D93B5E #E36E88

Accessibility & contrast

On white

6.44

#B42343 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B42343 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42343

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42343	#FFFFFF	#000000	##FFFFFF
##B42343	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4B43

Deuteranopia (green-blind)

#72693F

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b42343;
/* rgb */ color: rgb(180, 35, 67);
/* oklch */ color: oklch(50.6% 0.179 14.8);

Tailwind

colors: {
  custom: {
    50: '#d26d76',
    500: '#b42343',
    950: '#000000',
  },
}

SCSS

$custom: #b42343;
$custom-light: #d26d76;
$custom-dark: #000000;

JSON

{
  "hex": "#b42343",
  "rgb": {
    "r": 180,
    "g": 35,
    "b": 67
  },
  "hsl": {
    "h": 346.759,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50634,
    "c": 0.17907,
    "h": 14.8
  },
  "luminance": 0.11311
}

Semantic roles & 50–950 ramp

primary

#B42343

secondary

#69C9B4

accent

#EAC43D

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B42343

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

Preview Lab → · Contrast checker → · Palette generator →