#B0302B#B0302B

#B0302B is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.6% C 0.166 H 27.1°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#B0302B
RGB	rgb(176, 48, 43)
HSL	hsl(2, 61%, 43%)
HSV	hsv(2, 76%, 69%)
CMYK	cmyk(0%, 72.7%, 75.6%, 31%)
CIE-LAB	lab(40.45, 51.09, 33.80)
CIE-LCH	lch(40.45, 61.26, 33.49°)
OKLab	oklab(50.63% 0.1473 0.0755)
OKLCH	oklch(50.63% 0.166 27.1)
XYZ	xyz(19.3997, 11.5214, 3.4874)
Luminance	0.1152 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0302B #2BABB0

analogous

#B02B68 #B0302B #B0732B

triadic

#B0302B #2BB030 #302BB0

tetradic

#B0302B #68B02B #2BABB0 #732BB0

square

#B0302B #68B02B #2BABB0 #732BB0

split-complementary

#B0302B #2BB073 #2B68B0

monochromatic

#4E1513 #7F231F #B0302B #D24C46 #DE7B78

Accessibility & contrast

On white

6.36

#B0302B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B0302B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0302B

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0302B	#FFFFFF	#000000	##FFFFFF
##B0302B	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E29

Deuteranopia (green-blind)

#756926

Tritanopia (blue-blind)

#C20030

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b0302b;
/* rgb */ color: rgb(176, 48, 43);
/* oklch */ color: oklch(50.6% 0.166 27.1);

Tailwind

colors: {
  custom: {
    50: '#d07265',
    500: '#b0302b',
    950: '#000000',
  },
}

SCSS

$custom: #b0302b;
$custom-light: #d07265;
$custom-dark: #000000;

JSON

{
  "hex": "#b0302b",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 43
  },
  "hsl": {
    "h": 2.256,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50626,
    "c": 0.16554,
    "h": 27.1
  },
  "luminance": 0.11518
}

Semantic roles & 50–950 ramp

primary

#B0302B

secondary

#71C3C6

accent

#DEE444

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #B0302B

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

Preview Lab → · Contrast checker → · Palette generator →