#B3423B#B3423B

#B3423B is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.4% C 0.149 H 26.8°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B3423B
RGB	rgb(179, 66, 59)
HSL	hsl(4, 50%, 47%)
HSV	hsv(4, 67%, 70%)
CMYK	cmyk(0%, 63.1%, 67%, 29.8%)
CIE-LAB	lab(43.94, 45.47, 28.63)
CIE-LCH	lch(43.94, 53.74, 32.20°)
OKLab	oklab(53.42% 0.1326 0.0671)
OKLCH	oklch(53.42% 0.149 26.8)
XYZ	xyz(21.3302, 13.7988, 5.6771)
Luminance	0.1380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3423B #3BACB3

analogous

#B33B70 #B3423B #B37E3B

triadic

#B3423B #3BB342 #423BB3

tetradic

#B3423B #70B33B #3BACB3 #7E3BB3

square

#B3423B #70B33B #3BACB3 #7E3BB3

split-complementary

#B3423B #3BB37E #3B70B3

monochromatic

#57201D #85312C #B3423B #CB6760 #DA938E

Accessibility & contrast

On white

5.59

#B3423B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B3423B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3423B

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3423B	#FFFFFF	#000000	##FFFFFF
##B3423B	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593A

Deuteranopia (green-blind)

#7C7138

Tritanopia (blue-blind)

#C42941

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b3423b;
/* rgb */ color: rgb(179, 66, 59);
/* oklch */ color: oklch(53.4% 0.149 26.8);

Tailwind

colors: {
  custom: {
    50: '#d07c71',
    500: '#b3423b',
    950: '#000000',
  },
}

SCSS

$custom: #b3423b;
$custom-light: #d07c71;
$custom-dark: #000000;

JSON

{
  "hex": "#b3423b",
  "rgb": {
    "r": 179,
    "g": 66,
    "b": 59
  },
  "hsl": {
    "h": 3.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53417,
    "c": 0.14858,
    "h": 26.8
  },
  "luminance": 0.13796
}

Semantic roles & 50–950 ramp

primary

#B3423B

secondary

#85C1C5

accent

#D2DA4E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B3423B

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

Preview Lab → · Contrast checker → · Palette generator →