#B02A21#B02A21

#B02A21 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.9% C 0.172 H 28.8°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B02A21
RGB	rgb(176, 42, 33)
HSL	hsl(4, 68%, 41%)
HSV	hsv(4, 81%, 69%)
CMYK	cmyk(0%, 76.1%, 81.3%, 31%)
CIE-LAB	lab(39.58, 52.84, 38.52)
CIE-LCH	lch(39.58, 65.39, 36.10°)
OKLab	oklab(49.95% 0.1507 0.0828)
OKLCH	oklch(49.95% 0.172 28.8)
XYZ	xyz(19.0093, 10.9989, 2.5606)
Luminance	0.1100 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02A21 #21A7B0

analogous

#B0215F #B02A21 #B07121

triadic

#B02A21 #21B02A #2A21B0

tetradic

#B02A21 #5FB021 #21A7B0 #7121B0

square

#B02A21 #5FB021 #21A7B0 #7121B0

split-complementary

#B02A21 #21B071 #215FB0

monochromatic

#49110E #7C1E17 #B02A21 #D93F35 #E37069

Accessibility & contrast

On white

6.56

#B02A21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B02A21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02A21

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02A21	#FFFFFF	#000000	##FFFFFF
##B02A21	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B1E

Deuteranopia (green-blind)

#74681A

Tritanopia (blue-blind)

#C2002A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02a21;
/* rgb */ color: rgb(176, 42, 33);
/* oklch */ color: oklch(49.9% 0.172 28.8);

Tailwind

colors: {
  custom: {
    50: '#d16f5e',
    500: '#b02a21',
    950: '#000000',
  },
}

SCSS

$custom: #b02a21;
$custom-light: #d16f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#b02a21",
  "rgb": {
    "r": 176,
    "g": 42,
    "b": 33
  },
  "hsl": {
    "h": 3.776,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49946,
    "c": 0.17198,
    "h": 28.8
  },
  "luminance": 0.10996
}

Semantic roles & 50–950 ramp

primary

#B02A21

secondary

#64C2C8

accent

#E0EB3D

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B02A21

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

Preview Lab → · Contrast checker → · Palette generator →