#B42243#B42243

#B42243 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.6% C 0.180 H 14.7°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#B42243
RGB	rgb(180, 34, 67)
HSL	hsl(346, 68%, 42%)
HSV	hsv(346, 81%, 71%)
CMYK	cmyk(0%, 81.1%, 62.8%, 29.4%)
CIE-LAB	lab(40.01, 58.00, 18.77)
CIE-LCH	lch(40.01, 60.96, 17.94°)
OKLab	oklab(50.56% 0.174 0.0456)
OKLCH	oklch(50.56% 0.18 14.7)
XYZ	xyz(20.4097, 11.2557, 6.4070)
Luminance	0.1125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42243 #22B493

analogous

#B4228C #B42243 #B44A22

triadic

#B42243 #43B422 #2243B4

tetradic

#B42243 #8CB422 #22B493 #4A22B4

square

#B42243 #8CB422 #22B493 #4A22B4

split-complementary

#B42243 #22B44A #228CB4

monochromatic

#4D0F1D #811830 #B42243 #DA3A5E #E36D88

Accessibility & contrast

On white

6.46

#B42243 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B42243 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42243

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42243	#FFFFFF	#000000	##FFFFFF
##B42243	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4B43

Deuteranopia (green-blind)

#72693F

Tritanopia (blue-blind)

#C60031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b42243;
/* rgb */ color: rgb(180, 34, 67);
/* oklch */ color: oklch(50.6% 0.180 14.7);

Tailwind

colors: {
  custom: {
    50: '#d26d76',
    500: '#b42243',
    950: '#000000',
  },
}

SCSS

$custom: #b42243;
$custom-light: #d26d76;
$custom-dark: #000000;

JSON

{
  "hex": "#b42243",
  "rgb": {
    "r": 180,
    "g": 34,
    "b": 67
  },
  "hsl": {
    "h": 346.438,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50563,
    "c": 0.17984,
    "h": 14.7
  },
  "luminance": 0.11253
}

Semantic roles & 50–950 ramp

primary

#B42243

secondary

#68CAB4

accent

#EBC43D

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B42243

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

Preview Lab → · Contrast checker → · Palette generator →