#B22F2F#B22F2F

#B22F2F is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.168 H 25.5°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#B22F2F
RGB	rgb(178, 47, 47)
HSL	hsl(0, 58%, 44%)
HSV	hsv(0, 74%, 70%)
CMYK	cmyk(0%, 73.6%, 73.6%, 30.2%)
CIE-LAB	lab(40.75, 52.27, 31.90)
CIE-LCH	lch(40.75, 61.23, 31.40°)
OKLab	oklab(50.93% 0.1516 0.0722)
OKLCH	oklch(50.93% 0.168 25.5)
XYZ	xyz(19.8920, 11.7063, 3.9009)
Luminance	0.1170 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22F2F #2FB2B2

analogous

#B22F71 #B22F2F #B2712F

triadic

#B22F2F #2FB22F #2F2FB2

tetradic

#B22F2F #71B22F #2FB2B2 #712FB2

square

#B22F2F #71B22F #2FB2B2 #712FB2

split-complementary

#B22F2F #2FB271 #2F71B2

monochromatic

#511515 #822222 #B22F2F #D04E4E #DD7E7E

Accessibility & contrast

On white

6.29

#B22F2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B22F2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22F2F

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22F2F	#FFFFFF	#000000	##FFFFFF
##B22F2F	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E2E

Deuteranopia (green-blind)

#766A2A

Tritanopia (blue-blind)

#C40031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b22f2f;
/* rgb */ color: rgb(178, 47, 47);
/* oklch */ color: oklch(50.9% 0.168 25.5);

Tailwind

colors: {
  custom: {
    50: '#d17168',
    500: '#b22f2f',
    950: '#000000',
  },
}

SCSS

$custom: #b22f2f;
$custom-light: #d17168;
$custom-dark: #000000;

JSON

{
  "hex": "#b22f2f",
  "rgb": {
    "r": 178,
    "g": 47,
    "b": 47
  },
  "hsl": {
    "h": 0,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50935,
    "c": 0.16793,
    "h": 25.5
  },
  "luminance": 0.11703
}

Semantic roles & 50–950 ramp

primary

#B22F2F

secondary

#77C6C6

accent

#E1E146

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B22F2F

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

Preview Lab → · Contrast checker → · Palette generator →