#B22D21#B22D21

#B22D21 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.6% C 0.172 H 29.5°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#B22D21
RGB	rgb(178, 45, 33)
HSL	hsl(5, 69%, 41%)
HSV	hsv(5, 81%, 70%)
CMYK	cmyk(0%, 74.7%, 81.5%, 30.2%)
CIE-LAB	lab(40.34, 52.45, 39.40)
CIE-LCH	lch(40.34, 65.60, 36.91°)
OKLab	oklab(50.58% 0.1493 0.0846)
OKLCH	oklch(50.58% 0.172 29.5)
XYZ	xyz(19.5754, 11.4546, 2.6188)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B22D21 #21A6B2

analogous

#B2215D #B22D21 #B27621

triadic

#B22D21 #21B22D #2D21B2

tetradic

#B22D21 #5DB221 #21A6B2 #7621B2

square

#B22D21 #5DB221 #21A6B2 #7621B2

split-complementary

#B22D21 #21B276 #215DB2

monochromatic

#4B130E #7E2017 #B22D21 #DA4436 #E3746A

Accessibility & contrast

On white

6.38

#B22D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B22D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B22D21

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B22D21	#FFFFFF	#000000	##FFFFFF
##B22D21	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C1E

Deuteranopia (green-blind)

#766A1A

Tritanopia (blue-blind)

#C4002C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b22d21;
/* rgb */ color: rgb(178, 45, 33);
/* oklch */ color: oklch(50.6% 0.172 29.5);

Tailwind

colors: {
  custom: {
    50: '#d2705e',
    500: '#b22d21',
    950: '#000000',
  },
}

SCSS

$custom: #b22d21;
$custom-light: #d2705e;
$custom-dark: #000000;

JSON

{
  "hex": "#b22d21",
  "rgb": {
    "r": 178,
    "g": 45,
    "b": 33
  },
  "hsl": {
    "h": 4.966,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.5058,
    "c": 0.17157,
    "h": 29.5
  },
  "luminance": 0.11452
}

Semantic roles & 50–950 ramp

primary

#B22D21

secondary

#66C1C9

accent

#DDEC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B22D21

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

Preview Lab → · Contrast checker → · Palette generator →