#B42340#B42340

#B42340 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.6% C 0.179 H 16.1°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B42340
RGB	rgb(180, 35, 64)
HSL	hsl(348, 67%, 42%)
HSV	hsv(348, 81%, 71%)
CMYK	cmyk(0%, 80.6%, 64.4%, 29.4%)
CIE-LAB	lab(40.05, 57.55, 20.71)
CIE-LCH	lch(40.05, 61.16, 19.80°)
OKLab	oklab(50.57% 0.1719 0.0498)
OKLCH	oklch(50.57% 0.179 16.1)
XYZ	xyz(20.3510, 11.2786, 5.9549)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42340 #23B497

analogous

#B42389 #B42340 #B44F23

triadic

#B42340 #40B423 #2340B4

tetradic

#B42340 #89B423 #23B497 #4F23B4

square

#B42340 #89B423 #23B497 #4F23B4

split-complementary

#B42340 #23B44F #2389B4

monochromatic

#4E0F1C #81192E #B42340 #D93B5B #E36E86

Accessibility & contrast

On white

6.45

#B42340 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B42340 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42340

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42340	#FFFFFF	#000000	##FFFFFF
##B42340	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4B40

Deuteranopia (green-blind)

#73693C

Tritanopia (blue-blind)

#C60030

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b42340;
/* rgb */ color: rgb(180, 35, 64);
/* oklch */ color: oklch(50.6% 0.179 16.1);

Tailwind

colors: {
  custom: {
    50: '#d26d74',
    500: '#b42340',
    950: '#000000',
  },
}

SCSS

$custom: #b42340;
$custom-light: #d26d74;
$custom-dark: #000000;

JSON

{
  "hex": "#b42340",
  "rgb": {
    "r": 180,
    "g": 35,
    "b": 64
  },
  "hsl": {
    "h": 348,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50573,
    "c": 0.17897,
    "h": 16.1
  },
  "luminance": 0.11276
}

Semantic roles & 50–950 ramp

primary

#B42340

secondary

#69C9B6

accent

#EAC83D

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160808

muted

#847B7B

Preview Lab

Preview with #B42340

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

Preview Lab → · Contrast checker → · Palette generator →