#B43938#B43938

#B43938 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.159 H 24.9°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B43938
RGB	rgb(180, 57, 56)
HSL	hsl(0, 53%, 46%)
HSV	hsv(0, 69%, 71%)
CMYK	cmyk(0%, 68.3%, 68.9%, 29.4%)
CIE-LAB	lab(42.64, 49.52, 28.88)
CIE-LCH	lch(42.64, 57.33, 30.25°)
OKLab	oklab(52.46% 0.1446 0.0671)
OKLCH	oklch(52.46% 0.159 24.9)
XYZ	xyz(21.0016, 12.9181, 5.1282)
Luminance	0.1291 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43938 #38B3B4

analogous

#B43875 #B43938 #B47738

triadic

#B43938 #38B439 #3938B4

tetradic

#B43938 #75B438 #38B3B4 #7738B4

square

#B43938 #75B438 #38B3B4 #7738B4

split-complementary

#B43938 #38B477 #3875B4

monochromatic

#571B1B #852A29 #B43938 #CD5E5D #DB8C8B

Accessibility & contrast

On white

5.86

#B43938 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B43938 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43938

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43938	#FFFFFF	#000000	##FFFFFF
##B43938	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5437

Deuteranopia (green-blind)

#7A6E34

Tritanopia (blue-blind)

#C6163A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43938;
/* rgb */ color: rgb(180, 57, 56);
/* oklch */ color: oklch(52.5% 0.159 24.9);

Tailwind

colors: {
  custom: {
    50: '#d2776e',
    500: '#b43938',
    950: '#000000',
  },
}

SCSS

$custom: #b43938;
$custom-light: #d2776e;
$custom-dark: #000000;

JSON

{
  "hex": "#b43938",
  "rgb": {
    "r": 180,
    "g": 57,
    "b": 56
  },
  "hsl": {
    "h": 0.484,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52459,
    "c": 0.15943,
    "h": 24.9
  },
  "luminance": 0.12915
}

Semantic roles & 50–950 ramp

primary

#B43938

secondary

#82C5C5

accent

#DBDC4C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B43938

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

Preview Lab → · Contrast checker → · Palette generator →