#B42939#B42939

#B42939 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.9% C 0.174 H 20.2°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#B42939
RGB	rgb(180, 41, 57)
HSL	hsl(353, 63%, 43%)
HSV	hsv(353, 77%, 71%)
CMYK	cmyk(0%, 77.2%, 68.3%, 29.4%)
CIE-LAB	lab(40.55, 55.39, 25.72)
CIE-LCH	lch(40.55, 61.07, 24.91°)
OKLab	oklab(50.91% 0.1635 0.0603)
OKLCH	oklch(50.91% 0.174 20.2)
XYZ	xyz(20.3561, 11.5877, 5.0349)
Luminance	0.1158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42939 #29B4A4

analogous

#B4297E #B42939 #B45F29

triadic

#B42939 #39B429 #2939B4

tetradic

#B42939 #7EB429 #29B4A4 #5F29B4

square

#B42939 #7EB429 #29B4A4 #5F29B4

split-complementary

#B42939 #29B45F #297EB4

monochromatic

#501219 #821E29 #B42939 #D54556 #E07783

Accessibility & contrast

On white

6.33

#B42939 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B42939 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42939

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42939	#FFFFFF	#000000	##FFFFFF
##B42939	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D38

Deuteranopia (green-blind)

#756A35

Tritanopia (blue-blind)

#C60030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b42939;
/* rgb */ color: rgb(180, 41, 57);
/* oklch */ color: oklch(50.9% 0.174 20.2);

Tailwind

colors: {
  custom: {
    50: '#d26f6f',
    500: '#b42939',
    950: '#000000',
  },
}

SCSS

$custom: #b42939;
$custom-light: #d26f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b42939",
  "rgb": {
    "r": 180,
    "g": 41,
    "b": 57
  },
  "hsl": {
    "h": 353.094,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50909,
    "c": 0.17422,
    "h": 20.2
  },
  "luminance": 0.11585
}

Semantic roles & 50–950 ramp

primary

#B42939

secondary

#71C8BE

accent

#E6D342

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B42939

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

Preview Lab → · Contrast checker → · Palette generator →