#433DAB#433DAB

#433DAB is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.170 H 279.1°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#433DAB
RGB	rgb(67, 61, 171)
HSL	hsl(243, 47%, 45%)
HSV	hsv(243, 64%, 67%)
CMYK	cmyk(60.8%, 64.3%, 0%, 32.9%)
CIE-LAB	lab(32.85, 35.51, -58.25)
CIE-LCH	lch(32.85, 68.22, 301.37°)
OKLab	oklab(43.59% 0.0269 -0.1676)
OKLCH	oklch(43.59% 0.17 279.1)
XYZ	xyz(11.3318, 7.4702, 39.3649)
Luminance	0.0747 (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

#433DAB #A5AB3D

analogous

#3D6EAB #433DAB #7A3DAB

triadic

#433DAB #AB433D #3DAB43

tetradic

#433DAB #AB3D6E #A5AB3D #3DAB7A

square

#433DAB #AB3D6E #A5AB3D #3DAB7A

split-complementary

#433DAB #AB7A3D #6EAB3D

monochromatic

#201D51 #312D7E #433DAB #655FC6 #908CD6

Accessibility & contrast

On white

8.42

#433DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#433DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DAB

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DAB	#FFFFFF	#000000	##FFFFFF
##433DAB	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AE

Deuteranopia (green-blind)

#0049A9

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #433dab;
/* rgb */ color: rgb(67, 61, 171);
/* oklch */ color: oklch(43.6% 0.170 279.1);

Tailwind

colors: {
  custom: {
    50: '#8273c5',
    500: '#433dab',
    950: '#000000',
  },
}

SCSS

$custom: #433dab;
$custom-light: #8273c5;
$custom-dark: #000000;

JSON

{
  "hex": "#433dab",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 171
  },
  "hsl": {
    "h": 243.273,
    "s": 47.414,
    "l": 45.49
  },
  "oklch": {
    "l": 0.43591,
    "c": 0.16979,
    "h": 279.1
  },
  "luminance": 0.07471
}

Semantic roles & 50–950 ramp

primary

#433DAB

secondary

#BDC183

accent

#D751D0

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433DAB

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

Preview Lab → · Contrast checker → · Palette generator →