#B1302C#B1302C

#B1302C is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.166 H 26.8°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B1302C
RGB	rgb(177, 48, 44)
HSL	hsl(2, 60%, 43%)
HSV	hsv(2, 75%, 69%)
CMYK	cmyk(0%, 72.9%, 75.1%, 30.6%)
CIE-LAB	lab(40.65, 51.46, 33.50)
CIE-LCH	lch(40.65, 61.40, 33.07°)
OKLab	oklab(50.82% 0.1485 0.0751)
OKLCH	oklch(50.82% 0.166 26.8)
XYZ	xyz(19.6453, 11.6459, 3.5958)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1302C #2CADB1

analogous

#B12C6A #B1302C #B1732C

triadic

#B1302C #2CB130 #302CB1

tetradic

#B1302C #6AB12C #2CADB1 #732CB1

square

#B1302C #6AB12C #2CADB1 #732CB1

split-complementary

#B1302C #2CB173 #2C6AB1

monochromatic

#4F1514 #802320 #B1302C #D24D49 #DE7D7A

Accessibility & contrast

On white

6.31

#B1302C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B1302C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1302C

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1302C	#FFFFFF	#000000	##FFFFFF
##B1302C	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2A

Deuteranopia (green-blind)

#766A27

Tritanopia (blue-blind)

#C30031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b1302c;
/* rgb */ color: rgb(177, 48, 44);
/* oklch */ color: oklch(50.8% 0.166 26.8);

Tailwind

colors: {
  custom: {
    50: '#d17265',
    500: '#b1302c',
    950: '#000000',
  },
}

SCSS

$custom: #b1302c;
$custom-light: #d17265;
$custom-dark: #000000;

JSON

{
  "hex": "#b1302c",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 44
  },
  "hsl": {
    "h": 1.805,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50816,
    "c": 0.16642,
    "h": 26.8
  },
  "luminance": 0.11643
}

Semantic roles & 50–950 ramp

primary

#B1302C

secondary

#73C3C6

accent

#DFE344

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B1302C

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

Preview Lab → · Contrast checker → · Palette generator →