#B3241F#B3241F

#B3241F is a mid, vivid red. Relative luminance 0.109; OKLCH L 50.0% C 0.180 H 28.0°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#B3241F
RGB	rgb(179, 36, 31)
HSL	hsl(2, 70%, 41%)
HSV	hsv(2, 83%, 70%)
CMYK	cmyk(0%, 79.9%, 82.7%, 29.8%)
CIE-LAB	lab(39.49, 55.56, 39.73)
CIE-LCH	lch(39.49, 68.30, 35.56°)
OKLab	oklab(49.98% 0.1585 0.0844)
OKLCH	oklch(49.98% 0.18 28)
XYZ	xyz(19.4710, 10.9476, 2.3839)
Luminance	0.1094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3241F #1FAEB3

analogous

#B31F64 #B3241F #B36E1F

triadic

#B3241F #1FB324 #241FB3

tetradic

#B3241F #64B31F #1FAEB3 #6E1FB3

square

#B3241F #64B31F #1FAEB3 #6E1FB3

split-complementary

#B3241F #1FB36E #1F64B3

monochromatic

#4B0F0D #7F1A16 #B3241F #DC3933 #E56C68

Accessibility & contrast

On white

6.59

#B3241F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B3241F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3241F

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3241F	#FFFFFF	#000000	##FFFFFF
##B3241F	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491C

Deuteranopia (green-blind)

#756817

Tritanopia (blue-blind)

#C60025

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b3241f;
/* rgb */ color: rgb(179, 36, 31);
/* oklch */ color: oklch(50.0% 0.180 28.0);

Tailwind

colors: {
  custom: {
    50: '#d46d5c',
    500: '#b3241f',
    950: '#000000',
  },
}

SCSS

$custom: #b3241f;
$custom-light: #d46d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3241f",
  "rgb": {
    "r": 179,
    "g": 36,
    "b": 31
  },
  "hsl": {
    "h": 2.027,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49982,
    "c": 0.17961,
    "h": 28
  },
  "luminance": 0.10944
}

Semantic roles & 50–950 ramp

primary

#B3241F

secondary

#64C7CA

accent

#E7ED3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B3241F

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

Preview Lab → · Contrast checker → · Palette generator →