#B7374F#B7374F

#B7374F is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.164 H 13.9°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B7374F
RGB	rgb(183, 55, 79)
HSL	hsl(349, 54%, 47%)
HSV	hsv(349, 70%, 72%)
CMYK	cmyk(0%, 69.9%, 56.8%, 28.2%)
CIE-LAB	lab(43.31, 52.77, 15.79)
CIE-LCH	lch(43.31, 55.08, 16.66°)
OKLab	oklab(53.2% 0.1589 0.0393)
OKLCH	oklch(53.2% 0.164 13.9)
XYZ	xyz(22.3080, 13.3672, 8.8011)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7374F #37B79F

analogous

#B7378F #B7374F #B75F37

triadic

#B7374F #4FB737 #374FB7

tetradic

#B7374F #8FB737 #37B79F #5F37B7

square

#B7374F #8FB737 #37B79F #5F37B7

split-complementary

#B7374F #37B75F #378FB7

monochromatic

#591B26 #88293B #B7374F #CE5D72 #DC8C9B

Accessibility & contrast

On white

5.72

#B7374F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B7374F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7374F

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7374F	#FFFFFF	#000000	##FFFFFF
##B7374F	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57564F

Deuteranopia (green-blind)

#78704C

Tritanopia (blue-blind)

#C81941

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b7374f;
/* rgb */ color: rgb(183, 55, 79);
/* oklch */ color: oklch(53.2% 0.164 13.9);

Tailwind

colors: {
  custom: {
    50: '#d37780',
    500: '#b7374f',
    950: '#000000',
  },
}

SCSS

$custom: #b7374f;
$custom-light: #d37780;
$custom-dark: #000000;

JSON

{
  "hex": "#b7374f",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 79
  },
  "hsl": {
    "h": 348.75,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53195,
    "c": 0.1637,
    "h": 13.9
  },
  "luminance": 0.13364
}

Semantic roles & 50–950 ramp

primary

#B7374F

secondary

#83C7BA

accent

#DDC24B

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B7374F

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

Preview Lab → · Contrast checker → · Palette generator →