#B03E4B#B03E4B

#B03E4B is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.148 H 17.1°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B03E4B
RGB	rgb(176, 62, 75)
HSL	hsl(353, 48%, 47%)
HSV	hsv(353, 65%, 69%)
CMYK	cmyk(0%, 64.8%, 57.4%, 31%)
CIE-LAB	lab(43.04, 47.29, 17.68)
CIE-LCH	lch(43.04, 50.49, 20.50°)
OKLab	oklab(52.74% 0.1416 0.0437)
OKLCH	oklch(52.74% 0.148 17.1)
XYZ	xyz(20.8990, 13.1861, 8.0999)
Luminance	0.1318 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E4B #3EB0A3

analogous

#B03E84 #B03E4B #B06A3E

triadic

#B03E4B #4BB03E #3E4BB0

tetradic

#B03E4B #84B03E #3EB0A3 #6A3EB0

square

#B03E4B #84B03E #3EB0A3 #6A3EB0

split-complementary

#B03E4B #3EB06A #3E84B0

monochromatic

#551E24 #832E38 #B03E4B #C8636F #D89099

Accessibility & contrast

On white

5.77

#B03E4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B03E4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E4B

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E4B	#FFFFFF	#000000	##FFFFFF
##B03E4B	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A574B

Deuteranopia (green-blind)

#776E48

Tritanopia (blue-blind)

#C02843

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b03e4b;
/* rgb */ color: rgb(176, 62, 75);
/* oklch */ color: oklch(52.7% 0.148 17.1);

Tailwind

colors: {
  custom: {
    50: '#cd797d',
    500: '#b03e4b',
    950: '#000000',
  },
}

SCSS

$custom: #b03e4b;
$custom-light: #cd797d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e4b",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 353.158,
    "s": 47.899,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52735,
    "c": 0.1482,
    "h": 17.1
  },
  "luminance": 0.13183
}

Semantic roles & 50–950 ramp

primary

#B03E4B

secondary

#87C3BC

accent

#D7C850

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B03E4B

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

Preview Lab → · Contrast checker → · Palette generator →