#B1302F#B1302F

#B1302F is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.166 H 25.7°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#B1302F
RGB	rgb(177, 48, 47)
HSL	hsl(0, 58%, 44%)
HSV	hsv(0, 73%, 69%)
CMYK	cmyk(0%, 72.9%, 73.4%, 30.6%)
CIE-LAB	lab(40.69, 51.59, 31.79)
CIE-LCH	lch(40.69, 60.59, 31.64°)
OKLab	oklab(50.86% 0.1496 0.072)
OKLCH	oklch(50.86% 0.166 25.7)
XYZ	xyz(19.7037, 11.6692, 3.9037)
Luminance	0.1167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1302F #2FB0B1

analogous

#B12F6F #B1302F #B1712F

triadic

#B1302F #2FB130 #302FB1

tetradic

#B1302F #6FB12F #2FB0B1 #712FB1

square

#B1302F #6FB12F #2FB0B1 #712FB1

split-complementary

#B1302F #2FB171 #2F6FB1

monochromatic

#501615 #812322 #B1302F #D04E4D #DD7E7E

Accessibility & contrast

On white

6.30

#B1302F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B1302F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1302F

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1302F	#FFFFFF	#000000	##FFFFFF
##B1302F	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2D

Deuteranopia (green-blind)

#766A2A

Tritanopia (blue-blind)

#C30031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b1302f;
/* rgb */ color: rgb(177, 48, 47);
/* oklch */ color: oklch(50.9% 0.166 25.7);

Tailwind

colors: {
  custom: {
    50: '#d17268',
    500: '#b1302f',
    950: '#000000',
  },
}

SCSS

$custom: #b1302f;
$custom-light: #d17268;
$custom-dark: #000000;

JSON

{
  "hex": "#b1302f",
  "rgb": {
    "r": 177,
    "g": 48,
    "b": 47
  },
  "hsl": {
    "h": 0.462,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50856,
    "c": 0.16602,
    "h": 25.7
  },
  "luminance": 0.11666
}

Semantic roles & 50–950 ramp

primary

#B1302F

secondary

#76C5C5

accent

#E0E147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B1302F

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

Preview Lab → · Contrast checker → · Palette generator →