#B02B21#B02B21

#B02B21 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.0% C 0.171 H 29.0°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B02B21
RGB	rgb(176, 43, 33)
HSL	hsl(4, 68%, 41%)
HSV	hsv(4, 81%, 69%)
CMYK	cmyk(0%, 75.6%, 81.3%, 31%)
CIE-LAB	lab(39.70, 52.50, 38.64)
CIE-LCH	lch(39.70, 65.19, 36.35°)
OKLab	oklab(50.04% 0.1497 0.0831)
OKLCH	oklch(50.04% 0.171 29)
XYZ	xyz(19.0452, 11.0707, 2.5726)
Luminance	0.1107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02B21 #21A6B0

analogous

#B0215E #B02B21 #B07221

triadic

#B02B21 #21B02B #2B21B0

tetradic

#B02B21 #5EB021 #21A6B0 #7221B0

square

#B02B21 #5EB021 #21A6B0 #7221B0

split-complementary

#B02B21 #21B072 #215EB0

monochromatic

#49120E #7C1E17 #B02B21 #D94135 #E37169

Accessibility & contrast

On white

6.53

#B02B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B02B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02B21

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02B21	#FFFFFF	#000000	##FFFFFF
##B02B21	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1E

Deuteranopia (green-blind)

#75681A

Tritanopia (blue-blind)

#C2002A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02b21;
/* rgb */ color: rgb(176, 43, 33);
/* oklch */ color: oklch(50.0% 0.171 29.0);

Tailwind

colors: {
  custom: {
    50: '#d16f5e',
    500: '#b02b21',
    950: '#000000',
  },
}

SCSS

$custom: #b02b21;
$custom-light: #d16f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#b02b21",
  "rgb": {
    "r": 176,
    "g": 43,
    "b": 33
  },
  "hsl": {
    "h": 4.196,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50036,
    "c": 0.17119,
    "h": 29
  },
  "luminance": 0.11068
}

Semantic roles & 50–950 ramp

primary

#B02B21

secondary

#64C1C8

accent

#DFEB3D

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B02B21

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

Preview Lab → · Contrast checker → · Palette generator →