#B74347#B74347

#B74347 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.4% C 0.150 H 21.6°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#B74347
RGB	rgb(183, 67, 71)
HSL	hsl(358, 46%, 49%)
HSV	hsv(358, 63%, 72%)
CMYK	cmyk(0%, 63.4%, 61.2%, 28.2%)
CIE-LAB	lab(45.00, 47.19, 22.92)
CIE-LCH	lch(45.00, 52.46, 25.91°)
OKLab	oklab(54.4% 0.1398 0.0554)
OKLCH	oklch(54.4% 0.15 21.6)
XYZ	xyz(22.6751, 14.5395, 7.5724)
Luminance	0.1454 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74347 #43B7B3

analogous

#B74381 #B74347 #B77943

triadic

#B74347 #47B743 #4347B7

tetradic

#B74347 #81B743 #43B7B3 #7943B7

square

#B74347 #81B743 #43B7B3 #7943B7

split-complementary

#B74347 #43B779 #4381B7

monochromatic

#5D2224 #8A3336 #B74347 #CA6D71 #DA9A9C

Accessibility & contrast

On white

5.37

#B74347 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#B74347 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74347

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74347	#FFFFFF	#000000	##FFFFFF
##B74347	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615B46

Deuteranopia (green-blind)

#7E7444

Tritanopia (blue-blind)

#C82B45

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b74347;
/* rgb */ color: rgb(183, 67, 71);
/* oklch */ color: oklch(54.4% 0.150 21.6);

Tailwind

colors: {
  custom: {
    50: '#d37d7a',
    500: '#b74347',
    950: '#000000',
  },
}

SCSS

$custom: #b74347;
$custom-light: #d37d7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b74347",
  "rgb": {
    "r": 183,
    "g": 67,
    "b": 71
  },
  "hsl": {
    "h": 357.931,
    "s": 46.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54404,
    "c": 0.15038,
    "h": 21.6
  },
  "luminance": 0.14537
}

Semantic roles & 50–950 ramp

primary

#B74347

secondary

#90C6C4

accent

#D6D152

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B74347

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

Preview Lab → · Contrast checker → · Palette generator →