#433CB5#433CB5

#433CB5 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.184 H 278.3°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#433CB5
RGB	rgb(67, 60, 181)
HSL	hsl(243, 50%, 47%)
HSV	hsv(243, 67%, 71%)
CMYK	cmyk(63%, 66.9%, 0%, 29%)
CIE-LAB	lab(33.48, 39.42, -63.18)
CIE-LCH	lch(33.48, 74.47, 301.96°)
OKLab	oklab(44.31% 0.0267 -0.1821)
OKLCH	oklch(44.31% 0.184 278.3)
XYZ	xyz(12.2684, 7.7602, 44.5585)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433CB5 #AEB53C

analogous

#3C72B5 #433CB5 #803CB5

triadic

#433CB5 #B5433C #3CB543

tetradic

#433CB5 #B53C72 #AEB53C #3CB580

square

#433CB5 #B53C72 #AEB53C #3CB580

split-complementary

#433CB5 #B5803C #72B53C

monochromatic

#211E59 #322D87 #433CB5 #6963CB #9591DB

Accessibility & contrast

On white

8.23

#433CB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#433CB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433CB5

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433CB5	#FFFFFF	#000000	##FFFFFF
##433CB5	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#004AB3

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #433cb5;
/* rgb */ color: rgb(67, 60, 181);
/* oklch */ color: oklch(44.3% 0.184 278.3);

Tailwind

colors: {
  custom: {
    50: '#8472cc',
    500: '#433cb5',
    950: '#000000',
  },
}

SCSS

$custom: #433cb5;
$custom-light: #8472cc;
$custom-dark: #000000;

JSON

{
  "hex": "#433cb5",
  "rgb": {
    "r": 67,
    "g": 60,
    "b": 181
  },
  "hsl": {
    "h": 243.471,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44308,
    "c": 0.18408,
    "h": 278.3
  },
  "luminance": 0.07761
}

Semantic roles & 50–950 ramp

primary

#433CB5

secondary

#C2C687

accent

#DA4ED2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433CB5

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

Preview Lab → · Contrast checker → · Palette generator →