#433DB7#433DB7

#433DB7 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.185 H 278.0°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#433DB7
RGB	rgb(67, 61, 183)
HSL	hsl(243, 50%, 48%)
HSV	hsv(243, 67%, 72%)
CMYK	cmyk(63.4%, 66.7%, 0%, 28.2%)
CIE-LAB	lab(33.88, 39.48, -63.71)
CIE-LCH	lch(33.88, 74.95, 301.78°)
OKLab	oklab(44.65% 0.0257 -0.1837)
OKLCH	oklch(44.65% 0.185 278)
XYZ	xyz(12.5280, 7.9487, 45.6646)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.07

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433DB7 #B1B73D

analogous

#3D74B7 #433DB7 #803DB7

triadic

#433DB7 #B7433D #3DB743

tetradic

#433DB7 #B73D74 #B1B73D #3DB780

square

#433DB7 #B73D74 #B1B73D #3DB780

split-complementary

#433DB7 #B7803D #74B73D

monochromatic

#211E5B #322E89 #433DB7 #6A65CC #9793DB

Accessibility & contrast

On white

8.11

#433DB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#433DB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DB7

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DB7	#FFFFFF	#000000	##FFFFFF
##433DB7	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433db7;
/* rgb */ color: rgb(67, 61, 183);
/* oklch */ color: oklch(44.6% 0.185 278.0);

Tailwind

colors: {
  custom: {
    50: '#8573ce',
    500: '#433db7',
    950: '#000000',
  },
}

SCSS

$custom: #433db7;
$custom-light: #8573ce;
$custom-dark: #000000;

JSON

{
  "hex": "#433db7",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 183
  },
  "hsl": {
    "h": 242.951,
    "s": 50,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44649,
    "c": 0.18548,
    "h": 278
  },
  "luminance": 0.0795
}

Semantic roles & 50–950 ramp

primary

#433DB7

secondary

#C3C689

accent

#DA4ED3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433DB7

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

Preview Lab → · Contrast checker → · Palette generator →