#433DA9#433DA9

#433DA9 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.4% C 0.167 H 279.3°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#433DA9
RGB	rgb(67, 61, 169)
HSL	hsl(243, 47%, 45%)
HSV	hsv(243, 64%, 66%)
CMYK	cmyk(60.4%, 63.9%, 0%, 33.7%)
CIE-LAB	lab(32.69, 34.85, -57.32)
CIE-LCH	lch(32.69, 67.08, 301.30°)
OKLab	oklab(43.42% 0.0271 -0.1649)
OKLCH	oklch(43.42% 0.167 279.3)
XYZ	xyz(11.1426, 7.3945, 38.3685)
Luminance	0.0740 (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

#433DA9 #A3A93D

analogous

#3D6DA9 #433DA9 #793DA9

triadic

#433DA9 #A9433D #3DA943

tetradic

#433DA9 #A93D6D #A3A93D #3DA979

square

#433DA9 #A93D6D #A3A93D #3DA979

split-complementary

#433DA9 #A9793D #6DA93D

monochromatic

#1F1D4F #312D7C #433DA9 #645EC5 #8F8BD5

Accessibility & contrast

On white

8.47

#433DA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#433DA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DA9

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DA9	#FFFFFF	#000000	##FFFFFF
##433DA9	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AC

Deuteranopia (green-blind)

#0049A7

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #433da9;
/* rgb */ color: rgb(67, 61, 169);
/* oklch */ color: oklch(43.4% 0.167 279.3);

Tailwind

colors: {
  custom: {
    50: '#8273c3',
    500: '#433da9',
    950: '#000000',
  },
}

SCSS

$custom: #433da9;
$custom-light: #8273c3;
$custom-dark: #000000;

JSON

{
  "hex": "#433da9",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 169
  },
  "hsl": {
    "h": 243.333,
    "s": 46.957,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43419,
    "c": 0.16714,
    "h": 279.3
  },
  "luminance": 0.07395
}

Semantic roles & 50–950 ramp

primary

#433DA9

secondary

#BCC082

accent

#D751CF

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #433DA9

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

Preview Lab → · Contrast checker → · Palette generator →