#B3374E#B3374E

#B3374E is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.160 H 13.8°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B3374E
RGB	rgb(179, 55, 78)
HSL	hsl(349, 53%, 46%)
HSV	hsv(349, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 56.4%, 29.8%)
CIE-LAB	lab(42.57, 51.43, 15.27)
CIE-LCH	lch(42.57, 53.65, 16.54°)
OKLab	oklab(52.5% 0.1549 0.0381)
OKLCH	oklch(52.5% 0.16 13.8)
XYZ	xyz(21.3337, 12.8691, 8.5668)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3374E #37B39C

analogous

#B3378C #B3374E #B35E37

triadic

#B3374E #4EB337 #374EB3

tetradic

#B3374E #8CB337 #37B39C #5E37B3

square

#B3374E #8CB337 #37B39C #5E37B3

split-complementary

#B3374E #37B35E #378CB3

monochromatic

#551A25 #84293A #B3374E #CD5B70 #DB8A99

Accessibility & contrast

On white

5.88

#B3374E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B3374E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3374E

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3374E	#FFFFFF	#000000	##FFFFFF
##B3374E	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)

#56544E

Deuteranopia (green-blind)

#766E4B

Tritanopia (blue-blind)

#C41C40

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b3374e;
/* rgb */ color: rgb(179, 55, 78);
/* oklch */ color: oklch(52.5% 0.160 13.8);

Tailwind

colors: {
  custom: {
    50: '#d0767f',
    500: '#b3374e',
    950: '#000000',
  },
}

SCSS

$custom: #b3374e;
$custom-light: #d0767f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3374e",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 348.871,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52499,
    "c": 0.15954,
    "h": 13.8
  },
  "luminance": 0.12866
}

Semantic roles & 50–950 ramp

primary

#B3374E

secondary

#81C5B8

accent

#DCC24B

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B3374E

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

Preview Lab → · Contrast checker → · Palette generator →