#B03744#B03744

#B03744 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.156 H 18.5°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B03744
RGB	rgb(176, 55, 68)
HSL	hsl(354, 52%, 45%)
HSV	hsv(354, 69%, 69%)
CMYK	cmyk(0%, 68.8%, 61.4%, 31%)
CIE-LAB	lab(41.82, 49.74, 20.38)
CIE-LCH	lch(41.82, 53.75, 22.28°)
OKLab	oklab(51.78% 0.1482 0.0495)
OKLCH	oklch(51.78% 0.156 18.5)
XYZ	xyz(20.3161, 12.3827, 6.7880)
Luminance	0.1238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03744 #37B0A3

analogous

#B03780 #B03744 #B06737

triadic

#B03744 #44B037 #3744B0

tetradic

#B03744 #80B037 #37B0A3 #6737B0

square

#B03744 #80B037 #37B0A3 #6737B0

split-complementary

#B03744 #37B067 #3780B0

monochromatic

#531A20 #812832 #B03744 #CB5965 #DA8890

Accessibility & contrast

On white

6.04

#B03744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B03744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03744

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03744	#FFFFFF	#000000	##FFFFFF
##B03744	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575344

Deuteranopia (green-blind)

#756C41

Tritanopia (blue-blind)

#C11A3D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03744;
/* rgb */ color: rgb(176, 55, 68);
/* oklch */ color: oklch(51.8% 0.156 18.5);

Tailwind

colors: {
  custom: {
    50: '#ce7677',
    500: '#b03744',
    950: '#000000',
  },
}

SCSS

$custom: #b03744;
$custom-light: #ce7677;
$custom-dark: #000000;

JSON

{
  "hex": "#b03744",
  "rgb": {
    "r": 176,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 353.554,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51775,
    "c": 0.15624,
    "h": 18.5
  },
  "luminance": 0.1238
}

Semantic roles & 50–950 ramp

primary

#B03744

secondary

#7FC4BC

accent

#DCCC4C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03744

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

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