#B03E57#B03E57

#B03E57 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.149 H 10.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B03E57
RGB	rgb(176, 62, 87)
HSL	hsl(347, 48%, 47%)
HSV	hsv(347, 65%, 69%)
CMYK	cmyk(0%, 64.8%, 50.6%, 31%)
CIE-LAB	lab(43.31, 48.29, 10.63)
CIE-LCH	lch(43.31, 49.45, 12.41°)
OKLab	oklab(53.02% 0.1464 0.0272)
OKLCH	oklch(53.02% 0.149 10.5)
XYZ	xyz(21.3492, 13.3662, 10.4707)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E57 #3EB097

analogous

#B03E90 #B03E57 #B05E3E

triadic

#B03E57 #57B03E #3E57B0

tetradic

#B03E57 #90B03E #3EB097 #5E3EB0

square

#B03E57 #90B03E #3EB097 #5E3EB0

split-complementary

#B03E57 #3EB05E #3E90B0

monochromatic

#551E2A #832E41 #B03E57 #C86379 #D890A0

Accessibility & contrast

On white

5.72

#B03E57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B03E57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E57

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E57	#FFFFFF	#000000	##FFFFFF
##B03E57	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585857

Deuteranopia (green-blind)

#756F54

Tritanopia (blue-blind)

#C02C48

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b03e57;
/* rgb */ color: rgb(176, 62, 87);
/* oklch */ color: oklch(53.0% 0.149 10.5);

Tailwind

colors: {
  custom: {
    50: '#cd7a86',
    500: '#b03e57',
    950: '#000000',
  },
}

SCSS

$custom: #b03e57;
$custom-light: #cd7a86;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e57",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 87
  },
  "hsl": {
    "h": 346.842,
    "s": 47.899,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53022,
    "c": 0.14891,
    "h": 10.5
  },
  "luminance": 0.13363
}

Semantic roles & 50–950 ramp

primary

#B03E57

secondary

#87C3B6

accent

#D7BA50

background

#FDF7F8

surface

#FAEEEF

border

#D3C9CA

text

#140A0B

muted

#837C7C

Preview Lab

Preview with #B03E57

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

Preview Lab → · Contrast checker → · Palette generator →