#433FB7#433FB7

#433FB7 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.183 H 277.6°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#433FB7
RGB	rgb(67, 63, 183)
HSL	hsl(242, 49%, 48%)
HSV	hsv(242, 66%, 72%)
CMYK	cmyk(63.4%, 65.6%, 0%, 28.2%)
CIE-LAB	lab(34.33, 38.27, -62.97)
CIE-LCH	lch(34.33, 73.69, 301.29°)
OKLab	oklab(44.98% 0.0241 -0.1815)
OKLCH	oklch(44.98% 0.183 277.6)
XYZ	xyz(12.6367, 8.1662, 45.7009)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.86

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433FB7 #B3B73F

analogous

#3F77B7 #433FB7 #7F3FB7

triadic

#433FB7 #B7433F #3FB743

tetradic

#433FB7 #B73F77 #B3B73F #3FB77F

square

#433FB7 #B73F77 #B3B73F #3FB77F

split-complementary

#433FB7 #B77F3F #77B73F

monochromatic

#22205C #322F89 #433FB7 #6B68CB #9896DB

Accessibility & contrast

On white

7.97

#433FB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#433FB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433FB7

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433FB7	#FFFFFF	#000000	##FFFFFF
##433FB7	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#004CB5

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #433fb7;
/* rgb */ color: rgb(67, 63, 183);
/* oklch */ color: oklch(45.0% 0.183 277.6);

Tailwind

colors: {
  custom: {
    50: '#8475ce',
    500: '#433fb7',
    950: '#000000',
  },
}

SCSS

$custom: #433fb7;
$custom-light: #8475ce;
$custom-dark: #000000;

JSON

{
  "hex": "#433fb7",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 183
  },
  "hsl": {
    "h": 242,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44976,
    "c": 0.18311,
    "h": 277.6
  },
  "luminance": 0.08167
}

Semantic roles & 50–950 ramp

primary

#433FB7

secondary

#C4C68B

accent

#D84FD4

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433FB7

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

Preview Lab → · Contrast checker → · Palette generator →