#433DB8#433DB8

#433DB8 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.7% C 0.187 H 277.9°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#433DB8
RGB	rgb(67, 61, 184)
HSL	hsl(243, 50%, 48%)
HSV	hsv(243, 67%, 72%)
CMYK	cmyk(63.6%, 66.8%, 0%, 27.8%)
CIE-LAB	lab(33.96, 39.81, -64.16)
CIE-LCH	lch(33.96, 75.51, 301.82°)
OKLab	oklab(44.74% 0.0256 -0.185)
OKLCH	oklch(44.74% 0.187 277.9)
XYZ	xyz(12.6324, 7.9905, 46.2147)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.08

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433DB8 #B2B83D

analogous

#3D74B8 #433DB8 #803DB8

triadic

#433DB8 #B8433D #3DB843

tetradic

#433DB8 #B83D74 #B2B83D #3DB880

square

#433DB8 #B83D74 #B2B83D #3DB880

split-complementary

#433DB8 #B8803D #74B83D

monochromatic

#221F5C #322E8A #433DB8 #6B66CC #9794DB

Accessibility & contrast

On white

8.08

#433DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#433DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DB8

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DB8	#FFFFFF	#000000	##FFFFFF
##433DB8	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BC

Deuteranopia (green-blind)

#004BB6

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433db8;
/* rgb */ color: rgb(67, 61, 184);
/* oklch */ color: oklch(44.7% 0.187 277.9);

Tailwind

colors: {
  custom: {
    50: '#8573ce',
    500: '#433db8',
    950: '#000000',
  },
}

SCSS

$custom: #433db8;
$custom-light: #8573ce;
$custom-dark: #000000;

JSON

{
  "hex": "#433db8",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 184
  },
  "hsl": {
    "h": 242.927,
    "s": 50.204,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44739,
    "c": 0.18676,
    "h": 277.9
  },
  "luminance": 0.07991
}

Semantic roles & 50–950 ramp

primary

#433DB8

secondary

#C4C78A

accent

#DA4ED3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433DB8

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

Preview Lab → · Contrast checker → · Palette generator →