#433F9A#433F9A

#433F9A is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.144 H 280.3°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#433F9A
RGB	rgb(67, 63, 154)
HSL	hsl(243, 42%, 43%)
HSV	hsv(243, 59%, 60%)
CMYK	cmyk(56.5%, 59.1%, 0%, 39.6%)
CIE-LAB	lab(31.99, 28.58, -49.41)
CIE-LCH	lch(31.99, 57.08, 300.05°)
OKLab	oklab(42.53% 0.0258 -0.1417)
OKLCH	oklch(42.53% 0.144 280.3)
XYZ	xyz(9.9232, 7.0808, 31.4094)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433F9A #969A3F

analogous

#3F699A #433F9A #703F9A

triadic

#433F9A #9A433F #3F9A43

tetradic

#433F9A #9A3F69 #969A3F #3F9A70

square

#433F9A #9A3F69 #969A3F #3F9A70

split-complementary

#433F9A #9A703F #699A3F

monochromatic

#1D1B43 #302D6F #433F9A #5F5ABC #8986CD

Accessibility & contrast

On white

8.69

#433F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#433F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433F9A

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433F9A	#FFFFFF	#000000	##FFFFFF
##433F9A	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9D

Deuteranopia (green-blind)

#004898

Tritanopia (blue-blind)

#185466

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #433f9a;
/* rgb */ color: rgb(67, 63, 154);
/* oklch */ color: oklch(42.5% 0.144 280.3);

Tailwind

colors: {
  custom: {
    50: '#7f74b8',
    500: '#433f9a',
    950: '#000000',
  },
}

SCSS

$custom: #433f9a;
$custom-light: #7f74b8;
$custom-dark: #000000;

JSON

{
  "hex": "#433f9a",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 154
  },
  "hsl": {
    "h": 242.637,
    "s": 41.935,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42534,
    "c": 0.14398,
    "h": 280.3
  },
  "luminance": 0.07081
}

Semantic roles & 50–950 ramp

primary

#433F9A

secondary

#B5B87D

accent

#D256CC

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #433F9A

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

Preview Lab → · Contrast checker → · Palette generator →