#433AB1#433AB1

#433AB1 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.6% C 0.181 H 279.1°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#433AB1
RGB	rgb(67, 58, 177)
HSL	hsl(245, 51%, 46%)
HSV	hsv(245, 67%, 69%)
CMYK	cmyk(62.1%, 67.2%, 0%, 30.6%)
CIE-LAB	lab(32.68, 39.31, -62.10)
CIE-LCH	lch(32.68, 73.50, 302.33°)
OKLab	oklab(43.63% 0.0288 -0.179)
OKLCH	oklch(43.63% 0.181 279.1)
XYZ	xyz(11.7611, 7.3928, 42.3936)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.64

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433AB1 #A8B13A

analogous

#3A6CB1 #433AB1 #7E3AB1

triadic

#433AB1 #B1433A #3AB143

tetradic

#433AB1 #B13A6C #A8B13A #3AB17E

square

#433AB1 #B13A6C #A8B13A #3AB17E

split-complementary

#433AB1 #B17E3A #6CB13A

monochromatic

#201C55 #322B83 #433AB1 #665ECA #928CD9

Accessibility & contrast

On white

8.47

#433AB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#433AB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433AB1

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433AB1	#FFFFFF	#000000	##FFFFFF
##433AB1	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)

#0051B5

Deuteranopia (green-blind)

#0048AF

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #433ab1;
/* rgb */ color: rgb(67, 58, 177);
/* oklch */ color: oklch(43.6% 0.181 279.1);

Tailwind

colors: {
  custom: {
    50: '#8471c9',
    500: '#433ab1',
    950: '#000000',
  },
}

SCSS

$custom: #433ab1;
$custom-light: #8471c9;
$custom-dark: #000000;

JSON

{
  "hex": "#433ab1",
  "rgb": {
    "r": 67,
    "g": 58,
    "b": 177
  },
  "hsl": {
    "h": 244.538,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43626,
    "c": 0.18128,
    "h": 279.1
  },
  "luminance": 0.07394
}

Semantic roles & 50–950 ramp

primary

#433AB1

secondary

#BFC483

accent

#DA4ED0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433AB1

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

Preview Lab → · Contrast checker → · Palette generator →