#B03536#B03536

#B03536 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.159 H 24.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B03536
RGB	rgb(176, 53, 54)
HSL	hsl(360, 54%, 45%)
HSV	hsv(360, 70%, 69%)
CMYK	cmyk(0%, 69.9%, 69.3%, 31%)
CIE-LAB	lab(41.29, 49.69, 28.27)
CIE-LCH	lch(41.29, 57.17, 29.64°)
OKLab	oklab(51.3% 0.1452 0.0656)
OKLCH	oklch(51.3% 0.159 24.3)
XYZ	xyz(19.8456, 12.0456, 4.7693)
Luminance	0.1204 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03536 #35B0AF

analogous

#B03574 #B03536 #B07135

triadic

#B03536 #36B035 #3536B0

tetradic

#B03536 #74B035 #35B0AF #7135B0

square

#B03536 #74B035 #35B0AF #7135B0

split-complementary

#B03536 #35B071 #3574B0

monochromatic

#521919 #812728 #B03536 #CC5657 #DA8586

Accessibility & contrast

On white

6.16

#B03536 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B03536 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03536

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03536	#FFFFFF	#000000	##FFFFFF
##B03536	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575135

Deuteranopia (green-blind)

#766B32

Tritanopia (blue-blind)

#C10E37

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03536;
/* rgb */ color: rgb(176, 53, 54);
/* oklch */ color: oklch(51.3% 0.159 24.3);

Tailwind

colors: {
  custom: {
    50: '#cf746d',
    500: '#b03536',
    950: '#000000',
  },
}

SCSS

$custom: #b03536;
$custom-light: #cf746d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03536",
  "rgb": {
    "r": 176,
    "g": 53,
    "b": 54
  },
  "hsl": {
    "h": 359.512,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51303,
    "c": 0.15938,
    "h": 24.3
  },
  "luminance": 0.12043
}

Semantic roles & 50–950 ramp

primary

#B03536

secondary

#7DC4C3

accent

#DDDC4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03536

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

Preview Lab → · Contrast checker → · Palette generator →