#B1433A#B1433A

#B1433A is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.2% C 0.145 H 27.7°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B1433A
RGB	rgb(177, 67, 58)
HSL	hsl(5, 51%, 46%)
HSV	hsv(5, 67%, 69%)
CMYK	cmyk(0%, 62.1%, 67.2%, 30.6%)
CIE-LAB	lab(43.76, 44.25, 28.92)
CIE-LCH	lch(43.76, 52.86, 33.17°)
OKLab	oklab(53.21% 0.1288 0.0676)
OKLCH	oklch(53.21% 0.145 27.7)
XYZ	xyz(20.9044, 13.6697, 5.5399)
Luminance	0.1367 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1433A #3AA8B1

analogous

#B13A6C #B1433A #B17E3A

triadic

#B1433A #3AB143 #433AB1

tetradic

#B1433A #6CB13A #3AA8B1 #7E3AB1

square

#B1433A #6CB13A #3AA8B1 #7E3AB1

split-complementary

#B1433A #3AB17E #3A6CB1

monochromatic

#55201C #83322B #B1433A #CA665E #D9928C

Accessibility & contrast

On white

5.62

#B1433A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B1433A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1433A

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1433A	#FFFFFF	#000000	##FFFFFF
##B1433A	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605838

Deuteranopia (green-blind)

#7C7037

Tritanopia (blue-blind)

#C22B42

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b1433a;
/* rgb */ color: rgb(177, 67, 58);
/* oklch */ color: oklch(53.2% 0.145 27.7);

Tailwind

colors: {
  custom: {
    50: '#cf7c70',
    500: '#b1433a',
    950: '#000000',
  },
}

SCSS

$custom: #b1433a;
$custom-light: #cf7c70;
$custom-dark: #000000;

JSON

{
  "hex": "#b1433a",
  "rgb": {
    "r": 177,
    "g": 67,
    "b": 58
  },
  "hsl": {
    "h": 4.538,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53206,
    "c": 0.14545,
    "h": 27.7
  },
  "luminance": 0.13667
}

Semantic roles & 50–950 ramp

primary

#B1433A

secondary

#83BFC4

accent

#D0DA4E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B1433A

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

Preview Lab → · Contrast checker → · Palette generator →