#B74337#B74337

#B74337 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.1% C 0.153 H 28.9°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#B74337
RGB	rgb(183, 67, 55)
HSL	hsl(6, 54%, 47%)
HSV	hsv(6, 70%, 72%)
CMYK	cmyk(0%, 63.4%, 69.9%, 28.2%)
CIE-LAB	lab(44.75, 46.22, 32.10)
CIE-LCH	lch(44.75, 56.27, 34.78°)
OKLab	oklab(54.13% 0.1337 0.0739)
OKLCH	oklch(54.13% 0.153 28.9)
XYZ	xyz(22.2275, 14.3605, 5.2151)
Luminance	0.1436 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74337 #37ABB7

analogous

#B7376B #B74337 #B78337

triadic

#B74337 #37B743 #4337B7

tetradic

#B74337 #6BB737 #37ABB7 #8337B7

square

#B74337 #6BB737 #37ABB7 #8337B7

split-complementary

#B74337 #37B783 #376BB7

monochromatic

#59211B #883229 #B74337 #CE685D #DC948C

Accessibility & contrast

On white

5.42

#B74337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#B74337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74337

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74337	#FFFFFF	#000000	##FFFFFF
##B74337	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A35

Deuteranopia (green-blind)

#7F7334

Tritanopia (blue-blind)

#C92841

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b74337;
/* rgb */ color: rgb(183, 67, 55);
/* oklch */ color: oklch(54.1% 0.153 28.9);

Tailwind

colors: {
  custom: {
    50: '#d47c6e',
    500: '#b74337',
    950: '#000000',
  },
}

SCSS

$custom: #b74337;
$custom-light: #d47c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b74337",
  "rgb": {
    "r": 183,
    "g": 67,
    "b": 55
  },
  "hsl": {
    "h": 5.625,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54134,
    "c": 0.15273,
    "h": 28.9
  },
  "luminance": 0.14357
}

Semantic roles & 50–950 ramp

primary

#B74337

secondary

#83C0C7

accent

#CFDD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B74337

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

Preview Lab → · Contrast checker → · Palette generator →