#B43827#B43827

#B43827 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.163 H 30.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B43827
RGB	rgb(180, 56, 39)
HSL	hsl(7, 64%, 43%)
HSV	hsv(7, 78%, 71%)
CMYK	cmyk(0%, 68.9%, 78.3%, 29.4%)
CIE-LAB	lab(42.28, 49.16, 38.24)
CIE-LCH	lch(42.28, 62.28, 37.88°)
OKLab	oklab(52.12% 0.14 0.0838)
OKLCH	oklch(52.12% 0.163 30.9)
XYZ	xyz(20.6051, 12.6812, 3.2818)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43827 #27A3B4

analogous

#B4275C #B43827 #B47E27

triadic

#B43827 #27B438 #3827B4

tetradic

#B43827 #5CB427 #27A3B4 #7E27B4

square

#B43827 #5CB427 #27A3B4 #7E27B4

split-complementary

#B43827 #27B47E #275CB4

monochromatic

#4F1911 #82281C #B43827 #D65442 #E18274

Accessibility & contrast

On white

5.94

#B43827 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B43827 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43827

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43827	#FFFFFF	#000000	##FFFFFF
##B43827	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5224

Deuteranopia (green-blind)

#7B6E22

Tritanopia (blue-blind)

#C60D35

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43827;
/* rgb */ color: rgb(180, 56, 39);
/* oklch */ color: oklch(52.1% 0.163 30.9);

Tailwind

colors: {
  custom: {
    50: '#d37662',
    500: '#b43827',
    950: '#000000',
  },
}

SCSS

$custom: #b43827;
$custom-light: #d37662;
$custom-dark: #000000;

JSON

{
  "hex": "#b43827",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 39
  },
  "hsl": {
    "h": 7.234,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52121,
    "c": 0.16313,
    "h": 30.9
  },
  "luminance": 0.12678
}

Semantic roles & 50–950 ramp

primary

#B43827

secondary

#6FBDC8

accent

#D3E740

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43827

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

Preview Lab → · Contrast checker → · Palette generator →