#B3221D#B3221D

#B3221D is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.181 H 28.2°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#B3221D
RGB	rgb(179, 34, 29)
HSL	hsl(2, 72%, 41%)
HSV	hsv(2, 84%, 70%)
CMYK	cmyk(0%, 81%, 83.8%, 29.8%)
CIE-LAB	lab(39.27, 56.07, 40.58)
CIE-LCH	lch(39.27, 69.22, 35.90°)
OKLab	oklab(49.82% 0.1597 0.0855)
OKLCH	oklch(49.82% 0.181 28.2)
XYZ	xyz(19.3866, 10.8196, 2.2298)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3221D #1DAEB3

analogous

#B31D63 #B3221D #B36D1D

triadic

#B3221D #1DB322 #221DB3

tetradic

#B3221D #63B31D #1DAEB3 #6D1DB3

square

#B3221D #63B31D #1DAEB3 #6D1DB3

split-complementary

#B3221D #1DB36D #1D63B3

monochromatic

#4A0E0C #7E1814 #B3221D #DD3630 #E66964

Accessibility & contrast

On white

6.64

#B3221D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#B3221D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3221D

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3221D	#FFFFFF	#000000	##FFFFFF
##B3221D	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481A

Deuteranopia (green-blind)

#756815

Tritanopia (blue-blind)

#C60023

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b3221d;
/* rgb */ color: rgb(179, 34, 29);
/* oklch */ color: oklch(49.8% 0.181 28.2);

Tailwind

colors: {
  custom: {
    50: '#d46c5b',
    500: '#b3221d',
    950: '#000000',
  },
}

SCSS

$custom: #b3221d;
$custom-light: #d46c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b3221d",
  "rgb": {
    "r": 179,
    "g": 34,
    "b": 29
  },
  "hsl": {
    "h": 2,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49815,
    "c": 0.1812,
    "h": 28.2
  },
  "luminance": 0.10816
}

Semantic roles & 50–950 ramp

primary

#B3221D

secondary

#61C7CB

accent

#E9EF39

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B3221D

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

Preview Lab → · Contrast checker → · Palette generator →