#B42830#B42830

#B42830 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.7% C 0.176 H 23.5°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#B42830
RGB	rgb(180, 40, 48)
HSL	hsl(357, 64%, 43%)
HSV	hsv(357, 78%, 71%)
CMYK	cmyk(0%, 77.8%, 73.3%, 29.4%)
CIE-LAB	lab(40.31, 55.27, 30.91)
CIE-LCH	lch(40.31, 63.32, 29.21°)
OKLab	oklab(50.68% 0.1611 0.0701)
OKLCH	oklch(50.68% 0.176 23.5)
XYZ	xyz(20.1170, 11.4374, 3.9441)
Luminance	0.1143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42830 #28B4AC

analogous

#B42876 #B42830 #B46628

triadic

#B42830 #30B428 #2830B4

tetradic

#B42830 #76B428 #28B4AC #6628B4

square

#B42830 #76B428 #28B4AC #6628B4

split-complementary

#B42830 #28B466 #2876B4

monochromatic

#501215 #821D23 #B42830 #D5444C #E1767C

Accessibility & contrast

On white

6.39

#B42830 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B42830 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42830

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42830	#FFFFFF	#000000	##FFFFFF
##B42830	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C2F

Deuteranopia (green-blind)

#756A2B

Tritanopia (blue-blind)

#C6002D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42830;
/* rgb */ color: rgb(180, 40, 48);
/* oklch */ color: oklch(50.7% 0.176 23.5);

Tailwind

colors: {
  custom: {
    50: '#d36f68',
    500: '#b42830',
    950: '#000000',
  },
}

SCSS

$custom: #b42830;
$custom-light: #d36f68;
$custom-dark: #000000;

JSON

{
  "hex": "#b42830",
  "rgb": {
    "r": 180,
    "g": 40,
    "b": 48
  },
  "hsl": {
    "h": 356.571,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50684,
    "c": 0.1757,
    "h": 23.5
  },
  "luminance": 0.11434
}

Semantic roles & 50–950 ramp

primary

#B42830

secondary

#70C8C3

accent

#E7DD41

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B42830

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

Preview Lab → · Contrast checker → · Palette generator →