#B03035#B03035

#B03035 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.164 H 23.3°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#B03035
RGB	rgb(176, 48, 53)
HSL	hsl(358, 57%, 44%)
HSV	hsv(358, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 69.9%, 31%)
CIE-LAB	lab(40.58, 51.55, 28.02)
CIE-LCH	lch(40.58, 58.68, 28.53°)
OKLab	oklab(50.77% 0.1509 0.0649)
OKLCH	oklch(50.77% 0.164 23.3)
XYZ	xyz(19.6062, 11.6040, 4.5749)
Luminance	0.1160 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03035 #30B0AB

analogous

#B03075 #B03035 #B06B30

triadic

#B03035 #35B030 #3035B0

tetradic

#B03035 #75B030 #30B0AB #6B30B0

square

#B03035 #75B030 #30B0AB #6B30B0

split-complementary

#B03035 #30B06B #3075B0

monochromatic

#501618 #802327 #B03035 #CF4E53 #DC7E82

Accessibility & contrast

On white

6.32

#B03035 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#B03035 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03035

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03035	#FFFFFF	#000000	##FFFFFF
##B03035	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)

#554E34

Deuteranopia (green-blind)

#756A31

Tritanopia (blue-blind)

#C20033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03035;
/* rgb */ color: rgb(176, 48, 53);
/* oklch */ color: oklch(50.8% 0.164 23.3);

Tailwind

colors: {
  custom: {
    50: '#cf726c',
    500: '#b03035',
    950: '#000000',
  },
}

SCSS

$custom: #b03035;
$custom-light: #cf726c;
$custom-dark: #000000;

JSON

{
  "hex": "#b03035",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 53
  },
  "hsl": {
    "h": 357.656,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50769,
    "c": 0.16429,
    "h": 23.3
  },
  "luminance": 0.11601
}

Semantic roles & 50–950 ramp

primary

#B03035

secondary

#77C5C2

accent

#E0DA47

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B03035

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

Preview Lab → · Contrast checker → · Palette generator →