#B43745#B43745

#B43745 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.160 H 18.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B43745
RGB	rgb(180, 55, 69)
HSL	hsl(353, 53%, 46%)
HSV	hsv(353, 69%, 71%)
CMYK	cmyk(0%, 69.4%, 61.7%, 29.4%)
CIE-LAB	lab(42.56, 51.11, 20.88)
CIE-LCH	lch(42.56, 55.21, 22.22°)
OKLab	oklab(52.47% 0.1522 0.0506)
OKLCH	oklch(52.47% 0.16 18.4)
XYZ	xyz(21.2649, 12.8683, 6.9932)
Luminance	0.1286 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43745 #37B4A6

analogous

#B43783 #B43745 #B46737

triadic

#B43745 #45B437 #3745B4

tetradic

#B43745 #83B437 #37B4A6 #6737B4

square

#B43745 #83B437 #37B4A6 #6737B4

split-complementary

#B43745 #37B467 #3783B4

monochromatic

#561A21 #852933 #B43745 #CD5B68 #DB8A93

Accessibility & contrast

On white

5.88

#B43745 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B43745 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43745

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43745	#FFFFFF	#000000	##FFFFFF
##B43745	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)

#585445

Deuteranopia (green-blind)

#786E42

Tritanopia (blue-blind)

#C5173D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43745;
/* rgb */ color: rgb(180, 55, 69);
/* oklch */ color: oklch(52.5% 0.160 18.4);

Tailwind

colors: {
  custom: {
    50: '#d17678',
    500: '#b43745',
    950: '#000000',
  },
}

SCSS

$custom: #b43745;
$custom-light: #d17678;
$custom-dark: #000000;

JSON

{
  "hex": "#b43745",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 69
  },
  "hsl": {
    "h": 353.28,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52473,
    "c": 0.16044,
    "h": 18.4
  },
  "luminance": 0.12865
}

Semantic roles & 50–950 ramp

primary

#B43745

secondary

#81C6BE

accent

#DDCC4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B43745

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

Preview Lab → · Contrast checker → · Palette generator →