#433DA5#433DA5

#433DA5 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.1% C 0.162 H 279.7°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#433DA5
RGB	rgb(67, 61, 165)
HSL	hsl(243, 46%, 44%)
HSV	hsv(243, 63%, 65%)
CMYK	cmyk(59.4%, 63%, 0%, 35.3%)
CIE-LAB	lab(32.36, 33.52, -55.45)
CIE-LCH	lch(32.36, 64.79, 301.15°)
OKLab	oklab(43.08% 0.0274 -0.1594)
OKLCH	oklch(43.08% 0.162 279.7)
XYZ	xyz(10.7729, 7.2466, 36.4211)
Luminance	0.0725 (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

#433DA5 #9FA53D

analogous

#3D6BA5 #433DA5 #773DA5

triadic

#433DA5 #A5433D #3DA543

tetradic

#433DA5 #A53D6B #9FA53D #3DA577

square

#433DA5 #A53D6B #9FA53D #3DA577

split-complementary

#433DA5 #A5773D #6BA53D

monochromatic

#1F1C4C #312C78 #433DA5 #625CC3 #8D89D3

Accessibility & contrast

On white

8.57

#433DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#433DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DA5

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DA5	#FFFFFF	#000000	##FFFFFF
##433DA5	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A8

Deuteranopia (green-blind)

#0048A3

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #433da5;
/* rgb */ color: rgb(67, 61, 165);
/* oklch */ color: oklch(43.1% 0.162 279.7);

Tailwind

colors: {
  custom: {
    50: '#8173c1',
    500: '#433da5',
    950: '#000000',
  },
}

SCSS

$custom: #433da5;
$custom-light: #8173c1;
$custom-dark: #000000;

JSON

{
  "hex": "#433da5",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 165
  },
  "hsl": {
    "h": 243.462,
    "s": 46.018,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43078,
    "c": 0.16177,
    "h": 279.7
  },
  "luminance": 0.07247
}

Semantic roles & 50–950 ramp

primary

#433DA5

secondary

#BABE80

accent

#D652CE

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #433DA5

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

Preview Lab → · Contrast checker → · Palette generator →