#B3221E#B3221E

#B3221E is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.181 H 27.9°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#B3221E
RGB	rgb(179, 34, 30)
HSL	hsl(2, 71%, 41%)
HSV	hsv(2, 83%, 70%)
CMYK	cmyk(0%, 81%, 83.2%, 29.8%)
CIE-LAB	lab(39.28, 56.10, 40.06)
CIE-LCH	lch(39.28, 68.93, 35.53°)
OKLab	oklab(49.82% 0.16 0.0848)
OKLCH	oklch(49.82% 0.181 27.9)
XYZ	xyz(19.3992, 10.8247, 2.2960)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3221E #1EAFB3

analogous

#B31E64 #B3221E #B36C1E

triadic

#B3221E #1EB322 #221EB3

tetradic

#B3221E #64B31E #1EAFB3 #6C1EB3

square

#B3221E #64B31E #1EAFB3 #6C1EB3

split-complementary

#B3221E #1EB36C #1E64B3

monochromatic

#4A0E0C #7F1815 #B3221E #DD3632 #E56966

Accessibility & contrast

On white

6.64

#B3221E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#B3221E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3221E

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3221E	#FFFFFF	#000000	##FFFFFF
##B3221E	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)

#51481B

Deuteranopia (green-blind)

#756816

Tritanopia (blue-blind)

#C60023

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b3221e;
/* rgb */ color: rgb(179, 34, 30);
/* oklch */ color: oklch(49.8% 0.181 27.9);

Tailwind

colors: {
  custom: {
    50: '#d46c5b',
    500: '#b3221e',
    950: '#000000',
  },
}

SCSS

$custom: #b3221e;
$custom-light: #d46c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b3221e",
  "rgb": {
    "r": 179,
    "g": 34,
    "b": 30
  },
  "hsl": {
    "h": 1.611,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49824,
    "c": 0.1811,
    "h": 27.9
  },
  "luminance": 0.10821
}

Semantic roles & 50–950 ramp

primary

#B3221E

secondary

#62C8CB

accent

#E9EE3A

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B3221E

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

Preview Lab → · Contrast checker → · Palette generator →