#B3373C#B3373C

#B3373C is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.160 H 22.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B3373C
RGB	rgb(179, 55, 60)
HSL	hsl(358, 53%, 46%)
HSV	hsv(358, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 66.5%, 29.8%)
CIE-LAB	lab(42.22, 50.22, 25.92)
CIE-LCH	lch(42.22, 56.51, 27.30°)
OKLab	oklab(52.13% 0.1478 0.0612)
OKLCH	oklch(52.13% 0.16 22.5)
XYZ	xyz(20.7744, 12.6453, 5.6210)
Luminance	0.1264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3373C #37B3AE

analogous

#B3377A #B3373C #B37037

triadic

#B3373C #3CB337 #373CB3

tetradic

#B3373C #7AB337 #37B3AE #7037B3

square

#B3373C #7AB337 #37B3AE #7037B3

split-complementary

#B3373C #37B370 #377AB3

monochromatic

#551A1D #84292C #B3373C #CD5B5F #DB8A8D

Accessibility & contrast

On white

5.95

#B3373C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B3373C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3373C

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3373C	#FFFFFF	#000000	##FFFFFF
##B3373C	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59533B

Deuteranopia (green-blind)

#786D38

Tritanopia (blue-blind)

#C4143A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b3373c;
/* rgb */ color: rgb(179, 55, 60);
/* oklch */ color: oklch(52.1% 0.160 22.5);

Tailwind

colors: {
  custom: {
    50: '#d17671',
    500: '#b3373c',
    950: '#000000',
  },
}

SCSS

$custom: #b3373c;
$custom-light: #d17671;
$custom-dark: #000000;

JSON

{
  "hex": "#b3373c",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 60
  },
  "hsl": {
    "h": 357.581,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52134,
    "c": 0.15993,
    "h": 22.5
  },
  "luminance": 0.12642
}

Semantic roles & 50–950 ramp

primary

#B3373C

secondary

#81C5C2

accent

#DCD74B

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B3373C

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

Preview Lab → · Contrast checker → · Palette generator →