#B7374E#B7374E

#B7374E is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.164 H 14.4°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B7374E
RGB	rgb(183, 55, 78)
HSL	hsl(349, 54%, 47%)
HSV	hsv(349, 70%, 72%)
CMYK	cmyk(0%, 69.9%, 57.4%, 28.2%)
CIE-LAB	lab(43.29, 52.69, 16.38)
CIE-LCH	lch(43.29, 55.18, 17.27°)
OKLab	oklab(53.17% 0.1585 0.0407)
OKLCH	oklch(53.17% 0.164 14.4)
XYZ	xyz(22.2719, 13.3528, 8.6108)
Luminance	0.1335 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7374E #37B7A0

analogous

#B7378E #B7374E #B76037

triadic

#B7374E #4EB737 #374EB7

tetradic

#B7374E #8EB737 #37B7A0 #6037B7

square

#B7374E #8EB737 #37B7A0 #6037B7

split-complementary

#B7374E #37B760 #378EB7

monochromatic

#591B26 #88293A #B7374E #CE5D71 #DC8C9A

Accessibility & contrast

On white

5.72

#B7374E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B7374E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7374E

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7374E	#FFFFFF	#000000	##FFFFFF
##B7374E	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)

#58554E

Deuteranopia (green-blind)

#78704B

Tritanopia (blue-blind)

#C81940

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b7374e;
/* rgb */ color: rgb(183, 55, 78);
/* oklch */ color: oklch(53.2% 0.164 14.4);

Tailwind

colors: {
  custom: {
    50: '#d3777f',
    500: '#b7374e',
    950: '#000000',
  },
}

SCSS

$custom: #b7374e;
$custom-light: #d3777f;
$custom-dark: #000000;

JSON

{
  "hex": "#b7374e",
  "rgb": {
    "r": 183,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 349.219,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53173,
    "c": 0.16364,
    "h": 14.4
  },
  "luminance": 0.1335
}

Semantic roles & 50–950 ramp

primary

#B7374E

secondary

#83C7BB

accent

#DDC34B

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B7374E

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

Preview Lab → · Contrast checker → · Palette generator →