#B3374F#B3374F

#B3374F is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.160 H 13.3°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B3374F
RGB	rgb(179, 55, 79)
HSL	hsl(348, 53%, 46%)
HSV	hsv(348, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 55.9%, 29.8%)
CIE-LAB	lab(42.59, 51.50, 14.68)
CIE-LCH	lch(42.59, 53.56, 15.91°)
OKLab	oklab(52.52% 0.1553 0.0367)
OKLCH	oklch(52.52% 0.16 13.3)
XYZ	xyz(21.3698, 12.8835, 8.7571)
Luminance	0.1288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3374F #37B39B

analogous

#B3378D #B3374F #B35D37

triadic

#B3374F #4FB337 #374FB3

tetradic

#B3374F #8DB337 #37B39B #5D37B3

square

#B3374F #8DB337 #37B39B #5D37B3

split-complementary

#B3374F #37B35D #378DB3

monochromatic

#551A26 #84293A #B3374F #CD5B71 #DB8A99

Accessibility & contrast

On white

5.87

#B3374F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B3374F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3374F

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3374F	#FFFFFF	#000000	##FFFFFF
##B3374F	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56544F

Deuteranopia (green-blind)

#766E4C

Tritanopia (blue-blind)

#C41C41

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b3374f;
/* rgb */ color: rgb(179, 55, 79);
/* oklch */ color: oklch(52.5% 0.160 13.3);

Tailwind

colors: {
  custom: {
    50: '#d07680',
    500: '#b3374f',
    950: '#000000',
  },
}

SCSS

$custom: #b3374f;
$custom-light: #d07680;
$custom-dark: #000000;

JSON

{
  "hex": "#b3374f",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 79
  },
  "hsl": {
    "h": 348.387,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52522,
    "c": 0.1596,
    "h": 13.3
  },
  "luminance": 0.12881
}

Semantic roles & 50–950 ramp

primary

#B3374F

secondary

#81C5B8

accent

#DCC04B

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B3374F

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

Preview Lab → · Contrast checker → · Palette generator →