#B43E2B#B43E2B

#B43E2B is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.157 H 31.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B43E2B
RGB	rgb(180, 62, 43)
HSL	hsl(8, 61%, 44%)
HSV	hsv(8, 76%, 71%)
CMYK	cmyk(0%, 65.6%, 76.1%, 29.4%)
CIE-LAB	lab(43.25, 46.80, 37.07)
CIE-LCH	lch(43.25, 59.71, 38.38°)
OKLab	oklab(52.86% 0.1334 0.0824)
OKLCH	oklch(52.86% 0.157 31.7)
XYZ	xyz(20.9834, 13.3260, 3.7523)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E2B #2BA1B4

analogous

#B42B5C #B43E2B #B4822B

triadic

#B43E2B #2BB43E #3E2BB4

tetradic

#B43E2B #5CB42B #2BA1B4 #822BB4

square

#B43E2B #5CB42B #2BA1B4 #822BB4

split-complementary

#B43E2B #2BB482 #2B5CB4

monochromatic

#511C13 #832D1F #B43E2B #D35C49 #DF887A

Accessibility & contrast

On white

5.73

#B43E2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B43E2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E2B

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E2B	#FFFFFF	#000000	##FFFFFF
##B43E2B	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5628

Deuteranopia (green-blind)

#7D7027

Tritanopia (blue-blind)

#C61D3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e2b;
/* rgb */ color: rgb(180, 62, 43);
/* oklch */ color: oklch(52.9% 0.157 31.7);

Tailwind

colors: {
  custom: {
    50: '#d27965',
    500: '#b43e2b',
    950: '#000000',
  },
}

SCSS

$custom: #b43e2b;
$custom-light: #d27965;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e2b",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 43
  },
  "hsl": {
    "h": 8.321,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52863,
    "c": 0.15677,
    "h": 31.7
  },
  "luminance": 0.13323
}

Semantic roles & 50–950 ramp

primary

#B43E2B

secondary

#73BCC7

accent

#CEE543

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43E2B

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

Preview Lab → · Contrast checker → · Palette generator →