#B03036#B03036

#B03036 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.164 H 22.9°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#B03036
RGB	rgb(176, 48, 54)
HSL	hsl(357, 57%, 44%)
HSV	hsv(357, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 69.3%, 31%)
CIE-LAB	lab(40.59, 51.60, 27.43)
CIE-LCH	lch(40.59, 58.44, 28.00°)
OKLab	oklab(50.79% 0.1513 0.0638)
OKLCH	oklch(50.79% 0.164 22.9)
XYZ	xyz(19.6295, 11.6133, 4.6973)
Luminance	0.1161 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03036 #30B0AA

analogous

#B03076 #B03036 #B06A30

triadic

#B03036 #36B030 #3036B0

tetradic

#B03036 #76B030 #30B0AA #6A30B0

square

#B03036 #76B030 #30B0AA #6A30B0

split-complementary

#B03036 #30B06A #3076B0

monochromatic

#501618 #802327 #B03036 #CF4E54 #DC7E83

Accessibility & contrast

On white

6.32

#B03036 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B03036 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03036

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03036	#FFFFFF	#000000	##FFFFFF
##B03036	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E35

Deuteranopia (green-blind)

#756A32

Tritanopia (blue-blind)

#C10033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03036;
/* rgb */ color: rgb(176, 48, 54);
/* oklch */ color: oklch(50.8% 0.164 22.9);

Tailwind

colors: {
  custom: {
    50: '#cf726d',
    500: '#b03036',
    950: '#000000',
  },
}

SCSS

$custom: #b03036;
$custom-light: #cf726d;
$custom-dark: #000000;

JSON

{
  "hex": "#b03036",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 54
  },
  "hsl": {
    "h": 357.188,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50786,
    "c": 0.1642,
    "h": 22.9
  },
  "luminance": 0.1161
}

Semantic roles & 50–950 ramp

primary

#B03036

secondary

#77C5C1

accent

#E0D947

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B03036

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

Preview Lab → · Contrast checker → · Palette generator →