#B3241A#B3241A

#B3241A is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.180 H 29.3°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#B3241A
RGB	rgb(179, 36, 26)
HSL	hsl(4, 75%, 40%)
HSV	hsv(4, 85%, 70%)
CMYK	cmyk(0%, 79.9%, 85.5%, 29.8%)
CIE-LAB	lab(39.45, 55.43, 42.28)
CIE-LCH	lch(39.45, 69.72, 37.34°)
OKLab	oklab(49.94% 0.1572 0.0881)
OKLCH	oklch(49.94% 0.18 29.3)
XYZ	xyz(19.4102, 10.9232, 2.0635)
Luminance	0.1092 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3241A #1AA9B3

analogous

#B31A5C #B3241A #B3711A

triadic

#B3241A #1AB324 #241AB3

tetradic

#B3241A #5CB31A #1AA9B3 #711AB3

square

#B3241A #5CB31A #1AA9B3 #711AB3

split-complementary

#B3241A #1AB371 #1A5CB3

monochromatic

#480F0A #7E1912 #B3241A #E0362A #E86860

Accessibility & contrast

On white

6.60

#B3241A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B3241A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3241A

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3241A	#FFFFFF	#000000	##FFFFFF
##B3241A	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524916

Deuteranopia (green-blind)

#756811

Tritanopia (blue-blind)

#C60024

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b3241a;
/* rgb */ color: rgb(179, 36, 26);
/* oklch */ color: oklch(49.9% 0.180 29.3);

Tailwind

colors: {
  custom: {
    50: '#d46d59',
    500: '#b3241a',
    950: '#000000',
  },
}

SCSS

$custom: #b3241a;
$custom-light: #d46d59;
$custom-dark: #000000;

JSON

{
  "hex": "#b3241a",
  "rgb": {
    "r": 179,
    "g": 36,
    "b": 26
  },
  "hsl": {
    "h": 3.922,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49938,
    "c": 0.1802,
    "h": 29.3
  },
  "luminance": 0.1092
}

Semantic roles & 50–950 ramp

primary

#B3241A

secondary

#5DC5CC

accent

#E5F137

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160803

muted

#847A78

Preview Lab

Preview with #B3241A

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

Preview Lab → · Contrast checker → · Palette generator →