#B42829#B42829

#B42829 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.176 H 25.9°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#B42829
RGB	rgb(180, 40, 41)
HSL	hsl(360, 64%, 43%)
HSV	hsv(360, 78%, 71%)
CMYK	cmyk(0%, 77.8%, 77.2%, 29.4%)
CIE-LAB	lab(40.22, 54.99, 34.94)
CIE-LCH	lch(40.22, 65.15, 32.43°)
OKLab	oklab(50.59% 0.1587 0.0772)
OKLCH	oklch(50.59% 0.176 25.9)
XYZ	xyz(19.9838, 11.3841, 3.2425)
Luminance	0.1138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42829 #28B4B3

analogous

#B4286F #B42829 #B46D28

triadic

#B42829 #29B428 #2829B4

tetradic

#B42829 #6FB428 #28B4B3 #6D28B4

square

#B42829 #6FB428 #28B4B3 #6D28B4

split-complementary

#B42829 #28B46D #286FB4

monochromatic

#501212 #821D1E #B42829 #D54445 #E17677

Accessibility & contrast

On white

6.41

#B42829 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B42829 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42829

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42829	#FFFFFF	#000000	##FFFFFF
##B42829	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B27

Deuteranopia (green-blind)

#766A23

Tritanopia (blue-blind)

#C6002A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42829;
/* rgb */ color: rgb(180, 40, 41);
/* oklch */ color: oklch(50.6% 0.176 25.9);

Tailwind

colors: {
  custom: {
    50: '#d46f63',
    500: '#b42829',
    950: '#000000',
  },
}

SCSS

$custom: #b42829;
$custom-light: #d46f63;
$custom-dark: #000000;

JSON

{
  "hex": "#b42829",
  "rgb": {
    "r": 180,
    "g": 40,
    "b": 41
  },
  "hsl": {
    "h": 359.571,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50591,
    "c": 0.17645,
    "h": 25.9
  },
  "luminance": 0.11381
}

Semantic roles & 50–950 ramp

primary

#B42829

secondary

#70C8C7

accent

#E7E541

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B42829

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

Preview Lab → · Contrast checker → · Palette generator →