#433DB9#433DB9

#433DB9 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.8% C 0.188 H 277.8°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#433DB9
RGB	rgb(67, 61, 185)
HSL	hsl(243, 50%, 48%)
HSV	hsv(243, 67%, 73%)
CMYK	cmyk(63.8%, 67%, 0%, 27.5%)
CIE-LAB	lab(34.05, 40.14, -64.61)
CIE-LCH	lch(34.05, 76.06, 301.85°)
OKLab	oklab(44.83% 0.0254 -0.1863)
OKLCH	oklch(44.83% 0.188 277.8)
XYZ	xyz(12.7376, 8.0325, 46.7687)
Luminance	0.0803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.11

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433DB9 #B3B93D

analogous

#3D75B9 #433DB9 #813DB9

triadic

#433DB9 #B9433D #3DB943

tetradic

#433DB9 #B93D75 #B3B93D #3DB981

square

#433DB9 #B93D75 #B3B93D #3DB981

split-complementary

#433DB9 #B9813D #75B93D

monochromatic

#221F5D #322E8B #433DB9 #6B66CD #9895DC

Accessibility & contrast

On white

8.06

#433DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#433DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DB9

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DB9	#FFFFFF	#000000	##FFFFFF
##433DB9	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BD

Deuteranopia (green-blind)

#004BB7

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433db9;
/* rgb */ color: rgb(67, 61, 185);
/* oklch */ color: oklch(44.8% 0.188 277.8);

Tailwind

colors: {
  custom: {
    50: '#8573cf',
    500: '#433db9',
    950: '#000000',
  },
}

SCSS

$custom: #433db9;
$custom-light: #8573cf;
$custom-dark: #000000;

JSON

{
  "hex": "#433db9",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 185
  },
  "hsl": {
    "h": 242.903,
    "s": 50.407,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4483,
    "c": 0.18804,
    "h": 277.8
  },
  "luminance": 0.08034
}

Semantic roles & 50–950 ramp

primary

#433DB9

secondary

#C4C78B

accent

#DA4ED3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433DB9

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

Preview Lab → · Contrast checker → · Palette generator →