#B03144#B03144

#B03144 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.163 H 16.8°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B03144
RGB	rgb(176, 49, 68)
HSL	hsl(351, 56%, 44%)
HSV	hsv(351, 72%, 69%)
CMYK	cmyk(0%, 72.2%, 61.4%, 31%)
CIE-LAB	lab(40.97, 52.07, 19.27)
CIE-LCH	lch(40.97, 55.52, 20.31°)
OKLab	oklab(51.15% 0.1556 0.0469)
OKLCH	oklch(51.15% 0.163 16.8)
XYZ	xyz(20.0482, 11.8470, 6.6987)
Luminance	0.1184 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03144 #31B09D

analogous

#B03184 #B03144 #B05E31

triadic

#B03144 #44B031 #3144B0

tetradic

#B03144 #84B031 #31B09D #5E31B0

square

#B03144 #84B031 #31B09D #5E31B0

split-complementary

#B03144 #31B05E #3184B0

monochromatic

#50161F #802432 #B03144 #CE5063 #DC808E

Accessibility & contrast

On white

6.23

#B03144 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B03144 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03144

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03144	#FFFFFF	#000000	##FFFFFF
##B03144	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535044

Deuteranopia (green-blind)

#736A41

Tritanopia (blue-blind)

#C10A39

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03144;
/* rgb */ color: rgb(176, 49, 68);
/* oklch */ color: oklch(51.1% 0.163 16.8);

Tailwind

colors: {
  custom: {
    50: '#ce7377',
    500: '#b03144',
    950: '#000000',
  },
}

SCSS

$custom: #b03144;
$custom-light: #ce7377;
$custom-dark: #000000;

JSON

{
  "hex": "#b03144",
  "rgb": {
    "r": 176,
    "g": 49,
    "b": 68
  },
  "hsl": {
    "h": 351.024,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51145,
    "c": 0.16254,
    "h": 16.8
  },
  "luminance": 0.11844
}

Semantic roles & 50–950 ramp

primary

#B03144

secondary

#78C5B9

accent

#E0C948

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03144

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

Preview Lab → · Contrast checker → · Palette generator →