#B03433#B03433

#B03433 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.161 H 25.3°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B03433
RGB	rgb(176, 52, 51)
HSL	hsl(0, 55%, 45%)
HSV	hsv(0, 71%, 69%)
CMYK	cmyk(0%, 70.5%, 71%, 31%)
CIE-LAB	lab(41.10, 49.93, 29.85)
CIE-LCH	lch(41.10, 58.17, 30.87°)
OKLab	oklab(51.15% 0.1454 0.0686)
OKLCH	oklch(51.15% 0.161 25.3)
XYZ	xyz(19.7322, 11.9280, 4.3947)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03433 #33AFB0

analogous

#B03371 #B03433 #B07333

triadic

#B03433 #33B034 #3433B0

tetradic

#B03433 #71B033 #33AFB0 #7333B0

square

#B03433 #71B033 #33AFB0 #7333B0

split-complementary

#B03433 #33B073 #3371B0

monochromatic

#511818 #812625 #B03433 #CD5453 #DB8382

Accessibility & contrast

On white

6.20

#B03433 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B03433 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03433

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03433	#FFFFFF	#000000	##FFFFFF
##B03433	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575032

Deuteranopia (green-blind)

#766B2F

Tritanopia (blue-blind)

#C20935

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03433;
/* rgb */ color: rgb(176, 52, 51);
/* oklch */ color: oklch(51.1% 0.161 25.3);

Tailwind

colors: {
  custom: {
    50: '#cf746b',
    500: '#b03433',
    950: '#000000',
  },
}

SCSS

$custom: #b03433;
$custom-light: #cf746b;
$custom-dark: #000000;

JSON

{
  "hex": "#b03433",
  "rgb": {
    "r": 176,
    "g": 52,
    "b": 51
  },
  "hsl": {
    "h": 0.48,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5115,
    "c": 0.16073,
    "h": 25.3
  },
  "luminance": 0.11925
}

Semantic roles & 50–950 ramp

primary

#B03433

secondary

#7BC4C4

accent

#DDDE49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03433

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

Preview Lab → · Contrast checker → · Palette generator →