#B3433B#B3433B

#B3433B is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.5% C 0.148 H 27.2°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#B3433B
RGB	rgb(179, 67, 59)
HSL	hsl(4, 50%, 47%)
HSV	hsv(4, 67%, 70%)
CMYK	cmyk(0%, 62.6%, 67%, 29.8%)
CIE-LAB	lab(44.11, 45.02, 28.84)
CIE-LCH	lch(44.11, 53.46, 32.65°)
OKLab	oklab(53.55% 0.1312 0.0675)
OKLCH	oklch(53.55% 0.148 27.2)
XYZ	xyz(21.3891, 13.9167, 5.6967)
Luminance	0.1391 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3433B #3BABB3

analogous

#B33B6F #B3433B #B37F3B

triadic

#B3433B #3BB343 #433BB3

tetradic

#B3433B #6FB33B #3BABB3 #7F3BB3

square

#B3433B #6FB33B #3BABB3 #7F3BB3

split-complementary

#B3433B #3BB37F #3B6FB3

monochromatic

#57211D #85322C #B3433B #CB6860 #DA948E

Accessibility & contrast

On white

5.55

#B3433B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B3433B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3433B

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3433B	#FFFFFF	#000000	##FFFFFF
##B3433B	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)

#615939

Deuteranopia (green-blind)

#7D7138

Tritanopia (blue-blind)

#C42A42

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b3433b;
/* rgb */ color: rgb(179, 67, 59);
/* oklch */ color: oklch(53.5% 0.148 27.2);

Tailwind

colors: {
  custom: {
    50: '#d07c71',
    500: '#b3433b',
    950: '#000000',
  },
}

SCSS

$custom: #b3433b;
$custom-light: #d07c71;
$custom-dark: #000000;

JSON

{
  "hex": "#b3433b",
  "rgb": {
    "r": 179,
    "g": 67,
    "b": 59
  },
  "hsl": {
    "h": 4,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53545,
    "c": 0.14752,
    "h": 27.2
  },
  "luminance": 0.13914
}

Semantic roles & 50–950 ramp

primary

#B3433B

secondary

#85C0C5

accent

#D1DA4E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B3433B

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

Preview Lab → · Contrast checker → · Palette generator →