#B43B40#B43B40

#B43B40 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.156 H 22.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B43B40
RGB	rgb(180, 59, 64)
HSL	hsl(358, 51%, 47%)
HSV	hsv(358, 67%, 71%)
CMYK	cmyk(0%, 67.2%, 64.4%, 29.4%)
CIE-LAB	lab(43.07, 49.16, 24.59)
CIE-LCH	lch(43.07, 54.97, 26.57°)
OKLab	oklab(52.82% 0.1451 0.0586)
OKLCH	oklch(52.82% 0.156 22)
XYZ	xyz(21.3139, 13.2044, 6.2759)
Luminance	0.1320 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B40 #3BB4AF

analogous

#B43B7D #B43B40 #B4733B

triadic

#B43B40 #40B43B #3B40B4

tetradic

#B43B40 #7DB43B #3BB4AF #733BB4

square

#B43B40 #7DB43B #3BB4AF #733BB4

split-complementary

#B43B40 #3BB473 #3B7DB4

monochromatic

#581D1F #862C30 #B43B40 #CB6165 #DA8F92

Accessibility & contrast

On white

5.77

#B43B40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B43B40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B40

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B40	#FFFFFF	#000000	##FFFFFF
##B43B40	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553F

Deuteranopia (green-blind)

#7A6F3D

Tritanopia (blue-blind)

#C51D3E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43b40;
/* rgb */ color: rgb(180, 59, 64);
/* oklch */ color: oklch(52.8% 0.156 22.0);

Tailwind

colors: {
  custom: {
    50: '#d17874',
    500: '#b43b40',
    950: '#000000',
  },
}

SCSS

$custom: #b43b40;
$custom-light: #d17874;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b40",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 64
  },
  "hsl": {
    "h": 357.521,
    "s": 50.628,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52821,
    "c": 0.15648,
    "h": 22
  },
  "luminance": 0.13201
}

Semantic roles & 50–950 ramp

primary

#B43B40

secondary

#86C5C3

accent

#DAD44E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43B40

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

Preview Lab → · Contrast checker → · Palette generator →