#433DA8#433DA8

#433DA8 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.166 H 279.4°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#433DA8
RGB	rgb(67, 61, 168)
HSL	hsl(243, 47%, 45%)
HSV	hsv(243, 64%, 66%)
CMYK	cmyk(60.1%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(32.61, 34.51, -56.85)
CIE-LCH	lch(32.61, 66.51, 301.26°)
OKLab	oklab(43.33% 0.0271 -0.1636)
OKLCH	oklch(43.33% 0.166 279.4)
XYZ	xyz(11.0491, 7.3571, 37.8760)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433DA8 #A2A83D

analogous

#3D6DA8 #433DA8 #783DA8

triadic

#433DA8 #A8433D #3DA843

tetradic

#433DA8 #A83D6D #A2A83D #3DA878

square

#433DA8 #A83D6D #A2A83D #3DA878

split-complementary

#433DA8 #A8783D #6DA83D

monochromatic

#1F1C4E #312D7B #433DA8 #645EC4 #8F8BD5

Accessibility & contrast

On white

8.50

#433DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#433DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DA8

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DA8	#FFFFFF	#000000	##FFFFFF
##433DA8	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AB

Deuteranopia (green-blind)

#0048A6

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #433da8;
/* rgb */ color: rgb(67, 61, 168);
/* oklch */ color: oklch(43.3% 0.166 279.4);

Tailwind

colors: {
  custom: {
    50: '#8273c3',
    500: '#433da8',
    950: '#000000',
  },
}

SCSS

$custom: #433da8;
$custom-light: #8273c3;
$custom-dark: #000000;

JSON

{
  "hex": "#433da8",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 243.364,
    "s": 46.725,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43333,
    "c": 0.16581,
    "h": 279.4
  },
  "luminance": 0.07358
}

Semantic roles & 50–950 ramp

primary

#433DA8

secondary

#BCBF81

accent

#D651CF

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #433DA8

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

Preview Lab → · Contrast checker → · Palette generator →