#B43638#B43638

#B43638 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.162 H 24.0°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B43638
RGB	rgb(180, 54, 56)
HSL	hsl(359, 54%, 46%)
HSV	hsv(359, 70%, 71%)
CMYK	cmyk(0%, 70%, 68.9%, 29.4%)
CIE-LAB	lab(42.20, 50.72, 28.35)
CIE-LCH	lch(42.20, 58.10, 29.20°)
OKLab	oklab(52.13% 0.1484 0.066)
OKLCH	oklch(52.13% 0.162 24)
XYZ	xyz(20.8576, 12.6302, 5.0802)
Luminance	0.1263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43638 #36B4B2

analogous

#B43677 #B43638 #B47336

triadic

#B43638 #38B436 #3638B4

tetradic

#B43638 #77B436 #36B4B2 #7336B4

square

#B43638 #77B436 #36B4B2 #7336B4

split-complementary

#B43638 #36B473 #3677B4

monochromatic

#561A1B #852829 #B43638 #CD5A5C #DC898A

Accessibility & contrast

On white

5.96

#B43638 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B43638 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43638

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43638	#FFFFFF	#000000	##FFFFFF
##B43638	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595237

Deuteranopia (green-blind)

#796E34

Tritanopia (blue-blind)

#C60E38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43638;
/* rgb */ color: rgb(180, 54, 56);
/* oklch */ color: oklch(52.1% 0.162 24.0);

Tailwind

colors: {
  custom: {
    50: '#d2756e',
    500: '#b43638',
    950: '#000000',
  },
}

SCSS

$custom: #b43638;
$custom-light: #d2756e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43638",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 56
  },
  "hsl": {
    "h": 359.048,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5213,
    "c": 0.1624,
    "h": 24
  },
  "luminance": 0.12627
}

Semantic roles & 50–950 ramp

primary

#B43638

secondary

#80C6C5

accent

#DDDB4B

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B43638

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

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