#B02A23#B02A23

#B02A23 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.172 H 28.2°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B02A23
RGB	rgb(176, 42, 35)
HSL	hsl(3, 67%, 41%)
HSV	hsv(3, 80%, 69%)
CMYK	cmyk(0%, 76.1%, 80.1%, 31%)
CIE-LAB	lab(39.60, 52.90, 37.45)
CIE-LCH	lch(39.60, 64.81, 35.29°)
OKLab	oklab(49.97% 0.1513 0.0812)
OKLCH	oklch(49.97% 0.172 28.2)
XYZ	xyz(19.0381, 11.0104, 2.7126)
Luminance	0.1101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02A23 #23A9B0

analogous

#B02363 #B02A23 #B07123

triadic

#B02A23 #23B02A #2A23B0

tetradic

#B02A23 #63B023 #23A9B0 #7123B0

square

#B02A23 #63B023 #23A9B0 #7123B0

split-complementary

#B02A23 #23B071 #2363B0

monochromatic

#4A120F #7D1E19 #B02A23 #D84139 #E2726C

Accessibility & contrast

On white

6.56

#B02A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B02A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02A23

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02A23	#FFFFFF	#000000	##FFFFFF
##B02A23	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)

#534B21

Deuteranopia (green-blind)

#74681D

Tritanopia (blue-blind)

#C2002A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02a23;
/* rgb */ color: rgb(176, 42, 35);
/* oklch */ color: oklch(50.0% 0.172 28.2);

Tailwind

colors: {
  custom: {
    50: '#d16f5f',
    500: '#b02a23',
    950: '#000000',
  },
}

SCSS

$custom: #b02a23;
$custom-light: #d16f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b02a23",
  "rgb": {
    "r": 176,
    "g": 42,
    "b": 35
  },
  "hsl": {
    "h": 2.979,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49966,
    "c": 0.17171,
    "h": 28.2
  },
  "luminance": 0.11007
}

Semantic roles & 50–950 ramp

primary

#B02A23

secondary

#67C3C8

accent

#E1EA3E

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B02A23

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

Preview Lab → · Contrast checker → · Palette generator →