#B3374A#B3374A

#B3374A is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.159 H 15.8°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B3374A
RGB	rgb(179, 55, 74)
HSL	hsl(351, 53%, 46%)
HSV	hsv(351, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 58.7%, 29.8%)
CIE-LAB	lab(42.48, 51.13, 17.64)
CIE-LCH	lch(42.48, 54.09, 19.04°)
OKLab	oklab(52.41% 0.1533 0.0435)
OKLCH	oklch(52.41% 0.159 15.8)
XYZ	xyz(21.1946, 12.8134, 7.8344)
Luminance	0.1281 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3374A #37B3A0

analogous

#B33788 #B3374A #B36237

triadic

#B3374A #4AB337 #374AB3

tetradic

#B3374A #88B337 #37B3A0 #6237B3

square

#B3374A #88B337 #37B3A0 #6237B3

split-complementary

#B3374A #37B362 #3788B3

monochromatic

#551A23 #842937 #B3374A #CD5B6C #DB8A96

Accessibility & contrast

On white

5.90

#B3374A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B3374A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3374A

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3374A	#FFFFFF	#000000	##FFFFFF
##B3374A	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57544A

Deuteranopia (green-blind)

#776E47

Tritanopia (blue-blind)

#C41A3F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b3374a;
/* rgb */ color: rgb(179, 55, 74);
/* oklch */ color: oklch(52.4% 0.159 15.8);

Tailwind

colors: {
  custom: {
    50: '#d0767c',
    500: '#b3374a',
    950: '#000000',
  },
}

SCSS

$custom: #b3374a;
$custom-light: #d0767c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3374a",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 74
  },
  "hsl": {
    "h": 350.806,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52409,
    "c": 0.15938,
    "h": 15.8
  },
  "luminance": 0.1281
}

Semantic roles & 50–950 ramp

primary

#B3374A

secondary

#81C5BB

accent

#DCC64B

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B3374A

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

Preview Lab → · Contrast checker → · Palette generator →