#B42140#B42140

#B42140 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.4% C 0.180 H 15.8°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#B42140
RGB	rgb(180, 33, 64)
HSL	hsl(347, 69%, 42%)
HSV	hsv(347, 82%, 71%)
CMYK	cmyk(0%, 81.7%, 64.4%, 29.4%)
CIE-LAB	lab(39.86, 58.09, 20.47)
CIE-LCH	lch(39.86, 61.59, 19.41°)
OKLab	oklab(50.43% 0.1736 0.0492)
OKLCH	oklch(50.43% 0.18 15.8)
XYZ	xyz(20.2939, 11.1643, 5.9359)
Luminance	0.1116 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42140 #21B495

analogous

#B4218A #B42140 #B44C21

triadic

#B42140 #40B421 #2140B4

tetradic

#B42140 #8AB421 #21B495 #4C21B4

square

#B42140 #8AB421 #21B495 #4C21B4

split-complementary

#B42140 #21B44C #218AB4

monochromatic

#4D0E1B #80182E #B42140 #DA385A #E46B85

Accessibility & contrast

On white

6.50

#B42140 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B42140 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42140

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42140	#FFFFFF	#000000	##FFFFFF
##B42140	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4A40

Deuteranopia (green-blind)

#72693C

Tritanopia (blue-blind)

#C6002F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b42140;
/* rgb */ color: rgb(180, 33, 64);
/* oklch */ color: oklch(50.4% 0.180 15.8);

Tailwind

colors: {
  custom: {
    50: '#d26d74',
    500: '#b42140',
    950: '#000000',
  },
}

SCSS

$custom: #b42140;
$custom-light: #d26d74;
$custom-dark: #000000;

JSON

{
  "hex": "#b42140",
  "rgb": {
    "r": 180,
    "g": 33,
    "b": 64
  },
  "hsl": {
    "h": 347.347,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50432,
    "c": 0.18048,
    "h": 15.8
  },
  "luminance": 0.11161
}

Semantic roles & 50–950 ramp

primary

#B42140

secondary

#67CAB5

accent

#ECC73C

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160808

muted

#847B7B

Preview Lab

Preview with #B42140

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

Preview Lab → · Contrast checker → · Palette generator →