#B42827#B42827

#B42827 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.6% C 0.177 H 26.6°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#B42827
RGB	rgb(180, 40, 39)
HSL	hsl(0, 64%, 43%)
HSV	hsv(0, 78%, 71%)
CMYK	cmyk(0%, 77.8%, 78.3%, 29.4%)
CIE-LAB	lab(40.20, 54.91, 36.06)
CIE-LCH	lch(40.20, 65.70, 33.29°)
OKLab	oklab(50.57% 0.158 0.0791)
OKLCH	oklch(50.57% 0.177 26.6)
XYZ	xyz(19.9498, 11.3705, 3.0634)
Luminance	0.1137 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42827 #27B3B4

analogous

#B4276C #B42827 #B46F27

triadic

#B42827 #27B428 #2827B4

tetradic

#B42827 #6CB427 #27B3B4 #6F27B4

square

#B42827 #6CB427 #27B3B4 #6F27B4

split-complementary

#B42827 #27B46F #276CB4

monochromatic

#4F1211 #821D1C #B42827 #D64342 #E17574

Accessibility & contrast

On white

6.42

#B42827 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B42827 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42827

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42827	#FFFFFF	#000000	##FFFFFF
##B42827	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B25

Deuteranopia (green-blind)

#766A21

Tritanopia (blue-blind)

#C6002A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b42827;
/* rgb */ color: rgb(180, 40, 39);
/* oklch */ color: oklch(50.6% 0.177 26.6);

Tailwind

colors: {
  custom: {
    50: '#d46f62',
    500: '#b42827',
    950: '#000000',
  },
}

SCSS

$custom: #b42827;
$custom-light: #d46f62;
$custom-dark: #000000;

JSON

{
  "hex": "#b42827",
  "rgb": {
    "r": 180,
    "g": 40,
    "b": 39
  },
  "hsl": {
    "h": 0.426,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50567,
    "c": 0.17669,
    "h": 26.6
  },
  "luminance": 0.11367
}

Semantic roles & 50–950 ramp

primary

#B42827

secondary

#6FC8C8

accent

#E6E740

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B42827

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

Preview Lab → · Contrast checker → · Palette generator →