#433EB5#433EB5

#433EB5 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.182 H 277.9°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#433EB5
RGB	rgb(67, 62, 181)
HSL	hsl(243, 49%, 48%)
HSV	hsv(243, 66%, 71%)
CMYK	cmyk(63%, 65.7%, 0%, 29%)
CIE-LAB	lab(33.93, 38.21, -62.44)
CIE-LCH	lch(33.93, 73.21, 301.46°)
OKLab	oklab(44.63% 0.0251 -0.18)
OKLCH	oklch(44.63% 0.182 277.9)
XYZ	xyz(12.3752, 7.9738, 44.5941)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.94

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433EB5 #B0B53E

analogous

#3E74B5 #433EB5 #7E3EB5

triadic

#433EB5 #B5433E #3EB543

tetradic

#433EB5 #B53E74 #B0B53E #3EB57E

square

#433EB5 #B53E74 #B0B53E #3EB57E

split-complementary

#433EB5 #B57E3E #74B53E

monochromatic

#211F5A #322E87 #433EB5 #6A66CA #9693DA

Accessibility & contrast

On white

8.09

#433EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#433EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433EB5

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433EB5	#FFFFFF	#000000	##FFFFFF
##433EB5	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B9

Deuteranopia (green-blind)

#004BB3

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433eb5;
/* rgb */ color: rgb(67, 62, 181);
/* oklch */ color: oklch(44.6% 0.182 277.9);

Tailwind

colors: {
  custom: {
    50: '#8474cc',
    500: '#433eb5',
    950: '#000000',
  },
}

SCSS

$custom: #433eb5;
$custom-light: #8474cc;
$custom-dark: #000000;

JSON

{
  "hex": "#433eb5",
  "rgb": {
    "r": 67,
    "g": 62,
    "b": 181
  },
  "hsl": {
    "h": 242.521,
    "s": 48.971,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44634,
    "c": 0.18171,
    "h": 277.9
  },
  "luminance": 0.07975
}

Semantic roles & 50–950 ramp

primary

#433EB5

secondary

#C3C589

accent

#D94FD3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433EB5

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

Preview Lab → · Contrast checker → · Palette generator →