#B22B27#B22B27

#B22B27 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.5% C 0.172 H 27.2°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#B22B27
RGB	rgb(178, 43, 39)
HSL	hsl(2, 64%, 43%)
HSV	hsv(2, 78%, 70%)
CMYK	cmyk(0%, 75.8%, 78.1%, 30.2%)
CIE-LAB	lab(40.15, 53.33, 35.90)
CIE-LCH	lch(40.15, 64.29, 33.94°)
OKLab	oklab(50.46% 0.1533 0.0788)
OKLCH	oklch(50.46% 0.172 27.2)
XYZ	xyz(19.5925, 11.3423, 3.0767)
Luminance	0.1134 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22B27 #27AEB2

analogous

#B22768 #B22B27 #B27127

triadic

#B22B27 #27B22B #2B27B2

tetradic

#B22B27 #68B227 #27AEB2 #7127B2

square

#B22B27 #68B227 #27AEB2 #7127B2

split-complementary

#B22B27 #27B271 #2768B2

monochromatic

#4E1311 #801F1C #B22B27 #D54541 #E07673

Accessibility & contrast

On white

6.43

#B22B27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B22B27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22B27

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22B27	#FFFFFF	#000000	##FFFFFF
##B22B27	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C25

Deuteranopia (green-blind)

#766921

Tritanopia (blue-blind)

#C4002C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22b27;
/* rgb */ color: rgb(178, 43, 39);
/* oklch */ color: oklch(50.5% 0.172 27.2);

Tailwind

colors: {
  custom: {
    50: '#d27062',
    500: '#b22b27',
    950: '#000000',
  },
}

SCSS

$custom: #b22b27;
$custom-light: #d27062;
$custom-dark: #000000;

JSON

{
  "hex": "#b22b27",
  "rgb": {
    "r": 178,
    "g": 43,
    "b": 39
  },
  "hsl": {
    "h": 1.727,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50462,
    "c": 0.17235,
    "h": 27.2
  },
  "luminance": 0.11339
}

Semantic roles & 50–950 ramp

primary

#B22B27

secondary

#6DC5C8

accent

#E2E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B22B27

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

Preview Lab → · Contrast checker → · Palette generator →