#B03D3A#B03D3A

#B03D3A is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.151 H 25.3°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B03D3A
RGB	rgb(176, 61, 58)
HSL	hsl(2, 50%, 46%)
HSV	hsv(2, 67%, 69%)
CMYK	cmyk(0%, 65.3%, 67%, 31%)
CIE-LAB	lab(42.58, 46.58, 27.44)
CIE-LCH	lch(42.58, 54.06, 30.50°)
OKLab	oklab(52.29% 0.1362 0.0644)
OKLCH	oklch(52.29% 0.151 25.3)
XYZ	xyz(20.3390, 12.8759, 5.4165)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D3A #3AADB0

analogous

#B03A72 #B03D3A #B0783A

triadic

#B03D3A #3AB03D #3D3AB0

tetradic

#B03D3A #72B03A #3AADB0 #783AB0

square

#B03D3A #72B03A #3AADB0 #783AB0

split-complementary

#B03D3A #3AB078 #3A72B0

monochromatic

#541D1C #822D2B #B03D3A #CA605D #D98D8B

Accessibility & contrast

On white

5.87

#B03D3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B03D3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D3A

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D3A	#FFFFFF	#000000	##FFFFFF
##B03D3A	1.00	5.87	3.57	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5539

Deuteranopia (green-blind)

#796E37

Tritanopia (blue-blind)

#C1223D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03d3a;
/* rgb */ color: rgb(176, 61, 58);
/* oklch */ color: oklch(52.3% 0.151 25.3);

Tailwind

colors: {
  custom: {
    50: '#ce7870',
    500: '#b03d3a',
    950: '#000000',
  },
}

SCSS

$custom: #b03d3a;
$custom-light: #ce7870;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d3a",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 58
  },
  "hsl": {
    "h": 1.525,
    "s": 50.427,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52287,
    "c": 0.15069,
    "h": 25.3
  },
  "luminance": 0.12873
}

Semantic roles & 50–950 ramp

primary

#B03D3A

secondary

#82C2C3

accent

#D6DA4E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03D3A

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

Preview Lab → · Contrast checker → · Palette generator →