#B03E3D#B03E3D

#B03E3D is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.149 H 24.3°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B03E3D
RGB	rgb(176, 62, 61)
HSL	hsl(1, 49%, 46%)
HSV	hsv(1, 65%, 69%)
CMYK	cmyk(0%, 64.8%, 65.3%, 31%)
CIE-LAB	lab(42.79, 46.33, 25.90)
CIE-LCH	lch(42.79, 53.07, 29.20°)
OKLab	oklab(52.46% 0.136 0.0613)
OKLCH	oklch(52.46% 0.149 24.3)
XYZ	xyz(20.4715, 13.0151, 5.8482)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E3D #3DAFB0

analogous

#B03D76 #B03E3D #B0783D

triadic

#B03E3D #3DB03E #3E3DB0

tetradic

#B03E3D #76B03D #3DAFB0 #783DB0

square

#B03E3D #76B03D #3DAFB0 #783DB0

split-complementary

#B03E3D #3DB078 #3D76B0

monochromatic

#551E1D #832E2D #B03E3D #C86362 #D8908F

Accessibility & contrast

On white

5.83

#B03E3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B03E3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E3D

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E3D	#FFFFFF	#000000	##FFFFFF
##B03E3D	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563C

Deuteranopia (green-blind)

#796E3A

Tritanopia (blue-blind)

#C1243F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03e3d;
/* rgb */ color: rgb(176, 62, 61);
/* oklch */ color: oklch(52.5% 0.149 24.3);

Tailwind

colors: {
  custom: {
    50: '#ce7972',
    500: '#b03e3d',
    950: '#000000',
  },
}

SCSS

$custom: #b03e3d;
$custom-light: #ce7972;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e3d",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 61
  },
  "hsl": {
    "h": 0.522,
    "s": 48.523,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5246,
    "c": 0.14921,
    "h": 24.3
  },
  "luminance": 0.13012
}

Semantic roles & 50–950 ramp

primary

#B03E3D

secondary

#86C3C3

accent

#D7D850

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03E3D

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

Preview Lab → · Contrast checker → · Palette generator →