#B03A42#B03A42

#B03A42 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.153 H 20.4°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B03A42
RGB	rgb(176, 58, 66)
HSL	hsl(356, 50%, 46%)
HSV	hsv(356, 67%, 69%)
CMYK	cmyk(0%, 67%, 62.5%, 31%)
CIE-LAB	lab(42.23, 48.37, 22.16)
CIE-LCH	lch(42.23, 53.20, 24.61°)
OKLab	oklab(52.07% 0.1435 0.0534)
OKLCH	oklch(52.07% 0.153 20.4)
XYZ	xyz(20.4029, 12.6524, 6.5210)
Luminance	0.1265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03A42 #3AB0A8

analogous

#B03A7D #B03A42 #B06D3A

triadic

#B03A42 #42B03A #3A42B0

tetradic

#B03A42 #7DB03A #3AB0A8 #6D3AB0

square

#B03A42 #7DB03A #3AB0A8 #6D3AB0

split-complementary

#B03A42 #3AB06D #3A7DB0

monochromatic

#541C1F #822B31 #B03A42 #CA5D65 #D98B91

Accessibility & contrast

On white

5.95

#B03A42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B03A42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A42

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03A42	#FFFFFF	#000000	##FFFFFF
##B03A42	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595441

Deuteranopia (green-blind)

#776D3F

Tritanopia (blue-blind)

#C11F3E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03a42;
/* rgb */ color: rgb(176, 58, 66);
/* oklch */ color: oklch(52.1% 0.153 20.4);

Tailwind

colors: {
  custom: {
    50: '#ce7776',
    500: '#b03a42',
    950: '#000000',
  },
}

SCSS

$custom: #b03a42;
$custom-light: #ce7776;
$custom-dark: #000000;

JSON

{
  "hex": "#b03a42",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 66
  },
  "hsl": {
    "h": 355.932,
    "s": 50.427,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52074,
    "c": 0.15306,
    "h": 20.4
  },
  "luminance": 0.1265
}

Semantic roles & 50–950 ramp

primary

#B03A42

secondary

#82C3BF

accent

#DAD04E

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03A42

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

Preview Lab → · Contrast checker → · Palette generator →