#B3433A#B3433A

#B3433A is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.5% C 0.148 H 27.7°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#B3433A
RGB	rgb(179, 67, 58)
HSL	hsl(4, 51%, 46%)
HSV	hsv(4, 68%, 70%)
CMYK	cmyk(0%, 62.6%, 67.6%, 29.8%)
CIE-LAB	lab(44.10, 44.96, 29.41)
CIE-LCH	lch(44.10, 53.73, 33.19°)
OKLab	oklab(53.53% 0.1308 0.0687)
OKLCH	oklch(53.53% 0.148 27.7)
XYZ	xyz(21.3634, 13.9064, 5.5614)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3433A #3AAAB3

analogous

#B33A6E #B3433A #B3803A

triadic

#B3433A #3AB343 #433AB3

tetradic

#B3433A #6EB33A #3AAAB3 #803AB3

square

#B3433A #6EB33A #3AAAB3 #803AB3

split-complementary

#B3433A #3AB380 #3A6EB3

monochromatic

#57201C #85322B #B3433A #CB675F #DA938D

Accessibility & contrast

On white

5.55

#B3433A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B3433A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3433A

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3433A	#FFFFFF	#000000	##FFFFFF
##B3433A	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615938

Deuteranopia (green-blind)

#7D7137

Tritanopia (blue-blind)

#C42A42

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b3433a;
/* rgb */ color: rgb(179, 67, 58);
/* oklch */ color: oklch(53.5% 0.148 27.7);

Tailwind

colors: {
  custom: {
    50: '#d17c70',
    500: '#b3433a',
    950: '#000000',
  },
}

SCSS

$custom: #b3433a;
$custom-light: #d17c70;
$custom-dark: #000000;

JSON

{
  "hex": "#b3433a",
  "rgb": {
    "r": 179,
    "g": 67,
    "b": 58
  },
  "hsl": {
    "h": 4.463,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5353,
    "c": 0.1477,
    "h": 27.7
  },
  "luminance": 0.13904
}

Semantic roles & 50–950 ramp

primary

#B3433A

secondary

#84C0C5

accent

#D0DB4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B3433A

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

Preview Lab → · Contrast checker → · Palette generator →