#B03E38#B03E38

#B03E38 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.150 H 26.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B03E38
RGB	rgb(176, 62, 56)
HSL	hsl(3, 52%, 45%)
HSV	hsv(3, 68%, 69%)
CMYK	cmyk(0%, 64.8%, 68.2%, 31%)
CIE-LAB	lab(42.71, 46.03, 28.79)
CIE-LCH	lch(42.71, 54.29, 32.02°)
OKLab	oklab(52.38% 0.1341 0.0671)
OKLCH	oklch(52.38% 0.15 26.6)
XYZ	xyz(20.3430, 12.9637, 5.1717)
Luminance	0.1296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E38 #38AAB0

analogous

#B0386E #B03E38 #B07A38

triadic

#B03E38 #38B03E #3E38B0

tetradic

#B03E38 #6EB038 #38AAB0 #7A38B0

square

#B03E38 #6EB038 #38AAB0 #7A38B0

split-complementary

#B03E38 #38B07A #386EB0

monochromatic

#531D1A #822E29 #B03E38 #CB605B #D98D89

Accessibility & contrast

On white

5.85

#B03E38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B03E38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E38

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E38	#FFFFFF	#000000	##FFFFFF
##B03E38	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5537

Deuteranopia (green-blind)

#796E35

Tritanopia (blue-blind)

#C1233D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03e38;
/* rgb */ color: rgb(176, 62, 56);
/* oklch */ color: oklch(52.4% 0.150 26.6);

Tailwind

colors: {
  custom: {
    50: '#cf796f',
    500: '#b03e38',
    950: '#000000',
  },
}

SCSS

$custom: #b03e38;
$custom-light: #cf796f;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e38",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 56
  },
  "hsl": {
    "h": 3,
    "s": 51.724,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52377,
    "c": 0.14995,
    "h": 26.6
  },
  "luminance": 0.12961
}

Semantic roles & 50–950 ramp

primary

#B03E38

secondary

#80C0C4

accent

#D4DB4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03E38

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

Preview Lab → · Contrast checker → · Palette generator →