#B73438#B73438

#B73438 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.167 H 23.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B73438
RGB	rgb(183, 52, 56)
HSL	hsl(358, 56%, 46%)
HSV	hsv(358, 72%, 72%)
CMYK	cmyk(0%, 71.6%, 69.4%, 28.2%)
CIE-LAB	lab(42.48, 52.46, 28.81)
CIE-LCH	lch(42.48, 59.85, 28.78°)
OKLab	oklab(52.44% 0.1535 0.0669)
OKLCH	oklch(52.44% 0.167 23.5)
XYZ	xyz(21.4726, 12.8120, 5.0829)
Luminance	0.1281 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73438 #34B7B3

analogous

#B73479 #B73438 #B77134

triadic

#B73438 #38B734 #3438B7

tetradic

#B73438 #79B734 #34B7B3 #7134B7

square

#B73438 #79B734 #34B7B3 #7134B7

split-complementary

#B73438 #34B771 #3479B7

monochromatic

#58191B #872629 #B73438 #D0595C #DD888B

Accessibility & contrast

On white

5.90

#B73438 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B73438 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73438

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73438	#FFFFFF	#000000	##FFFFFF
##B73438	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595237

Deuteranopia (green-blind)

#7A6F34

Tritanopia (blue-blind)

#C90237

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73438;
/* rgb */ color: rgb(183, 52, 56);
/* oklch */ color: oklch(52.4% 0.167 23.5);

Tailwind

colors: {
  custom: {
    50: '#d4756e',
    500: '#b73438',
    950: '#000000',
  },
}

SCSS

$custom: #b73438;
$custom-light: #d4756e;
$custom-dark: #000000;

JSON

{
  "hex": "#b73438",
  "rgb": {
    "r": 183,
    "g": 52,
    "b": 56
  },
  "hsl": {
    "h": 358.168,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5244,
    "c": 0.16746,
    "h": 23.5
  },
  "luminance": 0.12809
}

Semantic roles & 50–950 ramp

primary

#B73438

secondary

#80C7C5

accent

#DFDA49

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73438

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

Preview Lab → · Contrast checker → · Palette generator →