#B74737#B74737

#B74737 is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.6% C 0.149 H 30.6°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#B74737
RGB	rgb(183, 71, 55)
HSL	hsl(8, 54%, 47%)
HSV	hsv(8, 70%, 72%)
CMYK	cmyk(0%, 61.2%, 69.9%, 28.2%)
CIE-LAB	lab(45.43, 44.39, 32.91)
CIE-LCH	lch(45.43, 55.26, 36.55°)
OKLab	oklab(54.65% 0.1279 0.0757)
OKLCH	oklch(54.65% 0.149 30.6)
XYZ	xyz(22.4735, 14.8526, 5.2971)
Luminance	0.1485 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74737 #37A7B7

analogous

#B73767 #B74737 #B78737

triadic

#B74737 #37B747 #4737B7

tetradic

#B74737 #67B737 #37A7B7 #8737B7

square

#B74737 #67B737 #37A7B7 #8737B7

split-complementary

#B74737 #37B787 #3767B7

monochromatic

#59221B #883529 #B74737 #CE6B5D #DC968C

Accessibility & contrast

On white

5.29

#B74737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#B74737 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74737

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74737	#FFFFFF	#000000	##FFFFFF
##B74737	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#817534

Tritanopia (blue-blind)

#C92E44

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #b74737;
/* rgb */ color: rgb(183, 71, 55);
/* oklch */ color: oklch(54.6% 0.149 30.6);

Tailwind

colors: {
  custom: {
    50: '#d47f6e',
    500: '#b74737',
    950: '#000000',
  },
}

SCSS

$custom: #b74737;
$custom-light: #d47f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b74737",
  "rgb": {
    "r": 183,
    "g": 71,
    "b": 55
  },
  "hsl": {
    "h": 7.5,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5465,
    "c": 0.14865,
    "h": 30.6
  },
  "luminance": 0.1485
}

Semantic roles & 50–950 ramp

primary

#B74737

secondary

#83BEC7

accent

#CBDD4B

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B74737

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

Preview Lab → · Contrast checker → · Palette generator →