#433D9B#433D9B

#433D9B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.2% C 0.148 H 280.8°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#433D9B
RGB	rgb(67, 61, 155)
HSL	hsl(244, 44%, 42%)
HSV	hsv(244, 61%, 61%)
CMYK	cmyk(56.8%, 60.6%, 0%, 39.2%)
CIE-LAB	lab(31.57, 30.19, -50.70)
CIE-LCH	lch(31.57, 59.00, 300.78°)
OKLab	oklab(42.25% 0.0279 -0.1455)
OKLCH	oklch(42.25% 0.148 280.8)
XYZ	xyz(9.8980, 6.8967, 31.8136)
Luminance	0.0690 (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

#433D9B #959B3D

analogous

#3D669B #433D9B #723D9B

triadic

#433D9B #9B433D #3D9B43

tetradic

#433D9B #9B3D66 #959B3D #3D9B72

square

#433D9B #9B3D66 #959B3D #3D9B72

split-complementary

#433D9B #9B723D #669B3D

monochromatic

#1D1A43 #302C6F #433D9B #5E58BD #8984CF

Accessibility & contrast

On white

8.83

#433D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#433D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433D9B

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433D9B	#FFFFFF	#000000	##FFFFFF
##433D9B	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9E

Deuteranopia (green-blind)

#004799

Tritanopia (blue-blind)

#165366

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #433d9b;
/* rgb */ color: rgb(67, 61, 155);
/* oklch */ color: oklch(42.2% 0.148 280.8);

Tailwind

colors: {
  custom: {
    50: '#8073b9',
    500: '#433d9b',
    950: '#000000',
  },
}

SCSS

$custom: #433d9b;
$custom-light: #8073b9;
$custom-dark: #000000;

JSON

{
  "hex": "#433d9b",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 155
  },
  "hsl": {
    "h": 243.83,
    "s": 43.519,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42248,
    "c": 0.1481,
    "h": 280.8
  },
  "luminance": 0.06897
}

Semantic roles & 50–950 ramp

primary

#433D9B

secondary

#B5B97B

accent

#D355CB

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #433D9B

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

Preview Lab → · Contrast checker → · Palette generator →