#B22F28#B22F28

#B22F28 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.8% C 0.169 H 27.9°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#B22F28
RGB	rgb(178, 47, 40)
HSL	hsl(3, 63%, 43%)
HSV	hsv(3, 78%, 70%)
CMYK	cmyk(0%, 73.6%, 77.5%, 30.2%)
CIE-LAB	lab(40.66, 51.98, 35.87)
CIE-LCH	lch(40.66, 63.16, 34.61°)
OKLab	oklab(50.85% 0.1492 0.0791)
OKLCH	oklch(50.85% 0.169 27.9)
XYZ	xyz(19.7619, 11.6543, 3.2160)
Luminance	0.1165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22F28 #28ABB2

analogous

#B22866 #B22F28 #B27428

triadic

#B22F28 #28B22F #2F28B2

tetradic

#B22F28 #66B228 #28ABB2 #7428B2

square

#B22F28 #66B228 #28ABB2 #7428B2

split-complementary

#B22F28 #28B274 #2866B2

monochromatic

#4E1512 #80221D #B22F28 #D54A43 #E07A75

Accessibility & contrast

On white

6.31

#B22F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B22F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22F28

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22F28	#FFFFFF	#000000	##FFFFFF
##B22F28	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E26

Deuteranopia (green-blind)

#776A23

Tritanopia (blue-blind)

#C4002F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b22f28;
/* rgb */ color: rgb(178, 47, 40);
/* oklch */ color: oklch(50.8% 0.169 27.9);

Tailwind

colors: {
  custom: {
    50: '#d27163',
    500: '#b22f28',
    950: '#000000',
  },
}

SCSS

$custom: #b22f28;
$custom-light: #d27163;
$custom-dark: #000000;

JSON

{
  "hex": "#b22f28",
  "rgb": {
    "r": 178,
    "g": 47,
    "b": 40
  },
  "hsl": {
    "h": 3.043,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50846,
    "c": 0.16889,
    "h": 27.9
  },
  "luminance": 0.11651
}

Semantic roles & 50–950 ramp

primary

#B22F28

secondary

#6FC3C7

accent

#DEE641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B22F28

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

Preview Lab → · Contrast checker → · Palette generator →