#B03D3D#B03D3D

#B03D3D is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.150 H 23.9°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B03D3D
RGB	rgb(176, 61, 61)
HSL	hsl(0, 49%, 46%)
HSV	hsv(0, 65%, 69%)
CMYK	cmyk(0%, 65.3%, 65.3%, 31%)
CIE-LAB	lab(42.62, 46.76, 25.69)
CIE-LCH	lch(42.62, 53.36, 28.78°)
OKLab	oklab(52.34% 0.1374 0.0609)
OKLCH	oklch(52.34% 0.15 23.9)
XYZ	xyz(20.4176, 12.9073, 5.8302)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D3D #3DB0B0

analogous

#B03D77 #B03D3D #B0773D

triadic

#B03D3D #3DB03D #3D3DB0

tetradic

#B03D3D #77B03D #3DB0B0 #773DB0

square

#B03D3D #77B03D #3DB0B0 #773DB0

split-complementary

#B03D3D #3DB077 #3D77B0

monochromatic

#551D1D #832D2D #B03D3D #C86262 #D88F8F

Accessibility & contrast

On white

5.86

#B03D3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B03D3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D3D

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D3D	#FFFFFF	#000000	##FFFFFF
##B03D3D	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553C

Deuteranopia (green-blind)

#786E3A

Tritanopia (blue-blind)

#C1223E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03d3d;
/* rgb */ color: rgb(176, 61, 61);
/* oklch */ color: oklch(52.3% 0.150 23.9);

Tailwind

colors: {
  custom: {
    50: '#ce7972',
    500: '#b03d3d',
    950: '#000000',
  },
}

SCSS

$custom: #b03d3d;
$custom-light: #ce7972;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d3d",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 61
  },
  "hsl": {
    "h": 0,
    "s": 48.523,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52338,
    "c": 0.15029,
    "h": 23.9
  },
  "luminance": 0.12905
}

Semantic roles & 50–950 ramp

primary

#B03D3D

secondary

#86C3C3

accent

#D8D850

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B03D3D

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

Preview Lab → · Contrast checker → · Palette generator →