#B3374D#B3374D

#B3374D is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.159 H 14.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B3374D
RGB	rgb(179, 55, 77)
HSL	hsl(349, 53%, 46%)
HSV	hsv(349, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 57%, 29.8%)
CIE-LAB	lab(42.54, 51.35, 15.87)
CIE-LCH	lch(42.54, 53.75, 17.17°)
OKLab	oklab(52.48% 0.1545 0.0395)
OKLCH	oklch(52.48% 0.159 14.3)
XYZ	xyz(21.2981, 12.8548, 8.3795)
Luminance	0.1285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3374D #37B39D

analogous

#B3378B #B3374D #B35F37

triadic

#B3374D #4DB337 #374DB3

tetradic

#B3374D #8BB337 #37B39D #5F37B3

square

#B3374D #8BB337 #37B39D #5F37B3

split-complementary

#B3374D #37B35F #378BB3

monochromatic

#551A25 #842939 #B3374D #CD5B6F #DB8A98

Accessibility & contrast

On white

5.88

#B3374D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B3374D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3374D

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3374D	#FFFFFF	#000000	##FFFFFF
##B3374D	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56544D

Deuteranopia (green-blind)

#766E4A

Tritanopia (blue-blind)

#C41B40

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b3374d;
/* rgb */ color: rgb(179, 55, 77);
/* oklch */ color: oklch(52.5% 0.159 14.3);

Tailwind

colors: {
  custom: {
    50: '#d0767e',
    500: '#b3374d',
    950: '#000000',
  },
}

SCSS

$custom: #b3374d;
$custom-light: #d0767e;
$custom-dark: #000000;

JSON

{
  "hex": "#b3374d",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 77
  },
  "hsl": {
    "h": 349.355,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52476,
    "c": 0.15948,
    "h": 14.3
  },
  "luminance": 0.12852
}

Semantic roles & 50–950 ramp

primary

#B3374D

secondary

#81C5B9

accent

#DCC34B

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B3374D

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

Preview Lab → · Contrast checker → · Palette generator →