#B43933#B43933

#B43933 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.160 H 26.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B43933
RGB	rgb(180, 57, 51)
HSL	hsl(3, 56%, 45%)
HSV	hsv(3, 72%, 71%)
CMYK	cmyk(0%, 68.3%, 71.7%, 29.4%)
CIE-LAB	lab(42.57, 49.27, 31.75)
CIE-LCH	lch(42.57, 58.61, 32.80°)
OKLab	oklab(52.38% 0.1428 0.0726)
OKLCH	oklch(52.38% 0.16 26.9)
XYZ	xyz(20.8853, 12.8716, 4.5161)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43933 #33AEB4

analogous

#B4336D #B43933 #B47A33

triadic

#B43933 #33B439 #3933B4

tetradic

#B43933 #6DB433 #33AEB4 #7A33B4

square

#B43933 #6DB433 #33AEB4 #7A33B4

split-complementary

#B43933 #33B47A #336DB4

monochromatic

#551B18 #842A25 #B43933 #CF5B55 #DC8985

Accessibility & contrast

On white

5.88

#B43933 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B43933 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43933

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43933	#FFFFFF	#000000	##FFFFFF
##B43933	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5431

Deuteranopia (green-blind)

#7A6E2F

Tritanopia (blue-blind)

#C61439

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43933;
/* rgb */ color: rgb(180, 57, 51);
/* oklch */ color: oklch(52.4% 0.160 26.9);

Tailwind

colors: {
  custom: {
    50: '#d2776b',
    500: '#b43933',
    950: '#000000',
  },
}

SCSS

$custom: #b43933;
$custom-light: #d2776b;
$custom-dark: #000000;

JSON

{
  "hex": "#b43933",
  "rgb": {
    "r": 180,
    "g": 57,
    "b": 51
  },
  "hsl": {
    "h": 2.791,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52383,
    "c": 0.16015,
    "h": 26.9
  },
  "luminance": 0.12869
}

Semantic roles & 50–950 ramp

primary

#B43933

secondary

#7DC3C6

accent

#D8DF49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43933

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

Preview Lab → · Contrast checker → · Palette generator →