#B4241F#B4241F

#B4241F is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.2% C 0.181 H 28.0°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#B4241F
RGB	rgb(180, 36, 31)
HSL	hsl(2, 71%, 41%)
HSV	hsv(2, 83%, 71%)
CMYK	cmyk(0%, 80%, 82.8%, 29.4%)
CIE-LAB	lab(39.69, 55.86, 39.99)
CIE-LCH	lch(39.69, 68.70, 35.60°)
OKLab	oklab(50.17% 0.1594 0.0849)
OKLCH	oklch(50.17% 0.181 28)
XYZ	xyz(19.7030, 11.0672, 2.3948)
Luminance	0.1106 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4241F #1FAFB4

analogous

#B41F65 #B4241F #B46F1F

triadic

#B4241F #1FB424 #241FB4

tetradic

#B4241F #65B41F #1FAFB4 #6F1FB4

square

#B4241F #65B41F #1FAFB4 #6F1FB4

split-complementary

#B4241F #1FB46F #1F65B4

monochromatic

#4C0F0D #801A16 #B4241F #DC3A34 #E56D68

Accessibility & contrast

On white

6.54

#B4241F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B4241F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4241F

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4241F	#FFFFFF	#000000	##FFFFFF
##B4241F	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491C

Deuteranopia (green-blind)

#766917

Tritanopia (blue-blind)

#C70025

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b4241f;
/* rgb */ color: rgb(180, 36, 31);
/* oklch */ color: oklch(50.2% 0.181 28.0);

Tailwind

colors: {
  custom: {
    50: '#d46d5c',
    500: '#b4241f',
    950: '#000000',
  },
}

SCSS

$custom: #b4241f;
$custom-light: #d46d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4241f",
  "rgb": {
    "r": 180,
    "g": 36,
    "b": 31
  },
  "hsl": {
    "h": 2.013,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50167,
    "c": 0.18057,
    "h": 28
  },
  "luminance": 0.11064
}

Semantic roles & 50–950 ramp

primary

#B4241F

secondary

#64C7CB

accent

#E7ED3A

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B4241F

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

Preview Lab → · Contrast checker → · Palette generator →