#433CB9#433CB9

#433CB9 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.7% C 0.189 H 278.0°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#433CB9
RGB	rgb(67, 60, 185)
HSL	hsl(243, 51%, 48%)
HSV	hsv(243, 68%, 73%)
CMYK	cmyk(63.8%, 67.6%, 0%, 27.5%)
CIE-LAB	lab(33.83, 40.73, -64.97)
CIE-LCH	lch(33.83, 76.68, 302.08°)
OKLab	oklab(44.67% 0.0262 -0.1874)
OKLCH	oklch(44.67% 0.189 278)
XYZ	xyz(12.6847, 7.9268, 46.7511)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.25

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433CB9 #B2B93C

analogous

#3C73B9 #433CB9 #813CB9

triadic

#433CB9 #B9433C #3CB943

tetradic

#433CB9 #B93C73 #B2B93C #3CB981

square

#433CB9 #B93C73 #B2B93C #3CB981

split-complementary

#433CB9 #B9813C #73B93C

monochromatic

#221E5D #322D8B #433CB9 #6B65CD #9793DC

Accessibility & contrast

On white

8.12

#433CB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#433CB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433CB9

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433CB9	#FFFFFF	#000000	##FFFFFF
##433CB9	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BD

Deuteranopia (green-blind)

#004AB7

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433cb9;
/* rgb */ color: rgb(67, 60, 185);
/* oklch */ color: oklch(44.7% 0.189 278.0);

Tailwind

colors: {
  custom: {
    50: '#8573cf',
    500: '#433cb9',
    950: '#000000',
  },
}

SCSS

$custom: #433cb9;
$custom-light: #8573cf;
$custom-dark: #000000;

JSON

{
  "hex": "#433cb9",
  "rgb": {
    "r": 67,
    "g": 60,
    "b": 185
  },
  "hsl": {
    "h": 243.36,
    "s": 51.02,
    "l": 48.039
  },
  "oklch": {
    "l": 0.4467,
    "c": 0.1892,
    "h": 278
  },
  "luminance": 0.07928
}

Semantic roles & 50–950 ramp

primary

#433CB9

secondary

#C4C789

accent

#DA4DD3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433CB9

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

Preview Lab → · Contrast checker → · Palette generator →