#B03D36#B03D36

#B03D36 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.151 H 27.1°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B03D36
RGB	rgb(176, 61, 54)
HSL	hsl(3, 53%, 45%)
HSV	hsv(3, 69%, 69%)
CMYK	cmyk(0%, 65.3%, 69.3%, 31%)
CIE-LAB	lab(42.52, 46.36, 29.75)
CIE-LCH	lch(42.52, 55.08, 32.68°)
OKLab	oklab(52.22% 0.1347 0.0689)
OKLCH	oklch(52.22% 0.151 27.1)
XYZ	xyz(20.2412, 12.8368, 4.9012)
Luminance	0.1283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D36 #36A9B0

analogous

#B0366C #B03D36 #B07A36

triadic

#B03D36 #36B03D #3D36B0

tetradic

#B03D36 #6CB036 #36A9B0 #7A36B0

square

#B03D36 #6CB036 #36A9B0 #7A36B0

split-complementary

#B03D36 #36B07A #366CB0

monochromatic

#521D19 #812D28 #B03D36 #CC5E58 #DA8B86

Accessibility & contrast

On white

5.89

#B03D36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B03D36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D36

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D36	#FFFFFF	#000000	##FFFFFF
##B03D36	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5534

Deuteranopia (green-blind)

#796E33

Tritanopia (blue-blind)

#C1213C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03d36;
/* rgb */ color: rgb(176, 61, 54);
/* oklch */ color: oklch(52.2% 0.151 27.1);

Tailwind

colors: {
  custom: {
    50: '#cf786d',
    500: '#b03d36',
    950: '#000000',
  },
}

SCSS

$custom: #b03d36;
$custom-light: #cf786d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d36",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 54
  },
  "hsl": {
    "h": 3.443,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52223,
    "c": 0.15131,
    "h": 27.1
  },
  "luminance": 0.12834
}

Semantic roles & 50–950 ramp

primary

#B03D36

secondary

#7EC0C4

accent

#D4DC4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03D36

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

Preview Lab → · Contrast checker → · Palette generator →