#B0251A#B0251A

#B0251A is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.5% C 0.177 H 29.5°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#B0251A
RGB	rgb(176, 37, 26)
HSL	hsl(4, 74%, 40%)
HSV	hsv(4, 85%, 69%)
CMYK	cmyk(0%, 79%, 85.2%, 31%)
CIE-LAB	lab(38.95, 54.23, 41.61)
CIE-LCH	lch(38.95, 68.36, 37.50°)
OKLab	oklab(49.46% 0.1538 0.087)
OKLCH	oklch(49.46% 0.177 29.5)
XYZ	xyz(18.7549, 10.6309, 2.0415)
Luminance	0.1063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0251A #1AA5B0

analogous

#B01A5A #B0251A #B0701A

triadic

#B0251A #1AB025 #251AB0

tetradic

#B0251A #5AB01A #1AA5B0 #701AB0

square

#B0251A #5AB01A #1AA5B0 #701AB0

split-complementary

#B0251A #1AB070 #1A5AB0

monochromatic

#450F0A #7B1A12 #B0251A #DF3528 #E7675D

Accessibility & contrast

On white

6.72

#B0251A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#B0251A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0251A

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0251A	#FFFFFF	#000000	##FFFFFF
##B0251A	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524816

Deuteranopia (green-blind)

#746711

Tritanopia (blue-blind)

#C20024

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b0251a;
/* rgb */ color: rgb(176, 37, 26);
/* oklch */ color: oklch(49.5% 0.177 29.5);

Tailwind

colors: {
  custom: {
    50: '#d26d59',
    500: '#b0251a',
    950: '#000000',
  },
}

SCSS

$custom: #b0251a;
$custom-light: #d26d59;
$custom-dark: #000000;

JSON

{
  "hex": "#b0251a",
  "rgb": {
    "r": 176,
    "g": 37,
    "b": 26
  },
  "hsl": {
    "h": 4.4,
    "s": 74.257,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4946,
    "c": 0.17664,
    "h": 29.5
  },
  "luminance": 0.10628
}

Semantic roles & 50–950 ramp

primary

#B0251A

secondary

#5BC3CB

accent

#E3F137

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160803

muted

#847A78

Preview Lab

Preview with #B0251A

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

Preview Lab → · Contrast checker → · Palette generator →