#B43633#B43633

#B43633 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.163 H 26.0°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B43633
RGB	rgb(180, 54, 51)
HSL	hsl(1, 56%, 45%)
HSV	hsv(1, 72%, 71%)
CMYK	cmyk(0%, 70%, 71.7%, 29.4%)
CIE-LAB	lab(42.13, 50.47, 31.24)
CIE-LCH	lch(42.13, 59.35, 31.76°)
OKLab	oklab(52.05% 0.1466 0.0715)
OKLCH	oklch(52.05% 0.163 26)
XYZ	xyz(20.7414, 12.5837, 4.4681)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43633 #33B1B4

analogous

#B43371 #B43633 #B47633

triadic

#B43633 #33B436 #3633B4

tetradic

#B43633 #71B433 #33B1B4 #7633B4

square

#B43633 #71B433 #33B1B4 #7633B4

split-complementary

#B43633 #33B476 #3371B4

monochromatic

#551918 #842825 #B43633 #CF5855 #DC8785

Accessibility & contrast

On white

5.97

#B43633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B43633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43633

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43633	#FFFFFF	#000000	##FFFFFF
##B43633	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5231

Deuteranopia (green-blind)

#796D2F

Tritanopia (blue-blind)

#C60B37

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b43633;
/* rgb */ color: rgb(180, 54, 51);
/* oklch */ color: oklch(52.1% 0.163 26.0);

Tailwind

colors: {
  custom: {
    50: '#d2756b',
    500: '#b43633',
    950: '#000000',
  },
}

SCSS

$custom: #b43633;
$custom-light: #d2756b;
$custom-dark: #000000;

JSON

{
  "hex": "#b43633",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.395,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52054,
    "c": 0.16304,
    "h": 26
  },
  "luminance": 0.12581
}

Semantic roles & 50–950 ramp

primary

#B43633

secondary

#7DC4C6

accent

#DCDF49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43633

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

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