#B43E27#B43E27

#B43E27 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.158 H 33.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B43E27
RGB	rgb(180, 62, 39)
HSL	hsl(10, 64%, 43%)
HSV	hsv(10, 78%, 71%)
CMYK	cmyk(0%, 65.6%, 78.3%, 29.4%)
CIE-LAB	lab(43.21, 46.64, 39.20)
CIE-LCH	lch(43.21, 60.93, 40.04°)
OKLab	oklab(52.82% 0.1321 0.0859)
OKLCH	oklch(52.82% 0.158 33)
XYZ	xyz(20.9136, 13.2981, 3.3846)
Luminance	0.1330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E27 #279DB4

analogous

#B42757 #B43E27 #B48427

triadic

#B43E27 #27B43E #3E27B4

tetradic

#B43E27 #57B427 #279DB4 #8427B4

square

#B43E27 #57B427 #279DB4 #8427B4

split-complementary

#B43E27 #27B484 #2757B4

monochromatic

#4F1B11 #822D1C #B43E27 #D65A42 #E18674

Accessibility & contrast

On white

5.74

#B43E27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B43E27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E27

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E27	#FFFFFF	#000000	##FFFFFF
##B43E27	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605624

Deuteranopia (green-blind)

#7D7022

Tritanopia (blue-blind)

#C61D3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e27;
/* rgb */ color: rgb(180, 62, 39);
/* oklch */ color: oklch(52.8% 0.158 33.0);

Tailwind

colors: {
  custom: {
    50: '#d37963',
    500: '#b43e27',
    950: '#000000',
  },
}

SCSS

$custom: #b43e27;
$custom-light: #d37963;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e27",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 39
  },
  "hsl": {
    "h": 9.787,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52819,
    "c": 0.15759,
    "h": 33
  },
  "luminance": 0.13295
}

Semantic roles & 50–950 ramp

primary

#B43E27

secondary

#6FBAC8

accent

#CCE740

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43E27

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

Preview Lab → · Contrast checker → · Palette generator →