#B73526#B73526

#B73526 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.169 H 30.2°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B73526
RGB	rgb(183, 53, 38)
HSL	hsl(6, 66%, 43%)
HSV	hsv(6, 79%, 72%)
CMYK	cmyk(0%, 71%, 79.2%, 28.2%)
CIE-LAB	lab(42.39, 51.31, 39.08)
CIE-LCH	lch(42.39, 64.49, 37.29°)
OKLab	oklab(52.31% 0.1462 0.0851)
OKLCH	oklch(52.31% 0.169 30.2)
XYZ	xyz(21.1539, 12.7567, 3.1818)
Luminance	0.1275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73526 #26A8B7

analogous

#B7265F #B73526 #B77D26

triadic

#B73526 #26B735 #3526B7

tetradic

#B73526 #5FB726 #26A8B7 #7D26B7

square

#B73526 #5FB726 #26A8B7 #7D26B7

split-complementary

#B73526 #26B77D #265FB7

monochromatic

#521811 #84261B #B73526 #D85242 #E28075

Accessibility & contrast

On white

5.91

#B73526 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B73526 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73526

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73526	#FFFFFF	#000000	##FFFFFF
##B73526	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5223

Deuteranopia (green-blind)

#7C6F20

Tritanopia (blue-blind)

#CA0033

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73526;
/* rgb */ color: rgb(183, 53, 38);
/* oklch */ color: oklch(52.3% 0.169 30.2);

Tailwind

colors: {
  custom: {
    50: '#d57562',
    500: '#b73526',
    950: '#000000',
  },
}

SCSS

$custom: #b73526;
$custom-light: #d57562;
$custom-dark: #000000;

JSON

{
  "hex": "#b73526",
  "rgb": {
    "r": 183,
    "g": 53,
    "b": 38
  },
  "hsl": {
    "h": 6.207,
    "s": 65.611,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52306,
    "c": 0.16911,
    "h": 30.2
  },
  "luminance": 0.12753
}

Semantic roles & 50–950 ramp

primary

#B73526

secondary

#6FC0CA

accent

#D7E93F

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B73526

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

Preview Lab → · Contrast checker → · Palette generator →