#B22D28#B22D28

#B22D28 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.171 H 27.4°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#B22D28
RGB	rgb(178, 45, 40)
HSL	hsl(2, 63%, 43%)
HSV	hsv(2, 78%, 70%)
CMYK	cmyk(0%, 74.7%, 77.5%, 30.2%)
CIE-LAB	lab(40.41, 52.69, 35.60)
CIE-LCH	lch(40.41, 63.58, 34.04°)
OKLab	oklab(50.66% 0.1515 0.0785)
OKLCH	oklch(50.66% 0.171 27.4)
XYZ	xyz(19.6838, 11.4980, 3.1900)
Luminance	0.1149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22D28 #28ADB2

analogous

#B22868 #B22D28 #B27228

triadic

#B22D28 #28B22D #2D28B2

tetradic

#B22D28 #68B228 #28ADB2 #7228B2

square

#B22D28 #68B228 #28ADB2 #7228B2

split-complementary

#B22D28 #28B272 #2868B2

monochromatic

#4E1412 #80201D #B22D28 #D54843 #E07875

Accessibility & contrast

On white

6.37

#B22D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B22D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22D28

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22D28	#FFFFFF	#000000	##FFFFFF
##B22D28	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D26

Deuteranopia (green-blind)

#766A23

Tritanopia (blue-blind)

#C4002D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22d28;
/* rgb */ color: rgb(178, 45, 40);
/* oklch */ color: oklch(50.7% 0.171 27.4);

Tailwind

colors: {
  custom: {
    50: '#d27063',
    500: '#b22d28',
    950: '#000000',
  },
}

SCSS

$custom: #b22d28;
$custom-light: #d27063;
$custom-dark: #000000;

JSON

{
  "hex": "#b22d28",
  "rgb": {
    "r": 178,
    "g": 45,
    "b": 40
  },
  "hsl": {
    "h": 2.174,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50656,
    "c": 0.17058,
    "h": 27.4
  },
  "luminance": 0.11495
}

Semantic roles & 50–950 ramp

primary

#B22D28

secondary

#6FC4C7

accent

#E0E641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B22D28

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

Preview Lab → · Contrast checker → · Palette generator →