#433DB5#433DB5

#433DB5 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.5% C 0.183 H 278.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#433DB5
RGB	rgb(67, 61, 181)
HSL	hsl(243, 50%, 47%)
HSV	hsv(243, 66%, 71%)
CMYK	cmyk(63%, 66.3%, 0%, 29%)
CIE-LAB	lab(33.70, 38.82, -62.81)
CIE-LCH	lch(33.70, 73.84, 301.72°)
OKLab	oklab(44.47% 0.0259 -0.181)
OKLCH	oklch(44.47% 0.183 278.1)
XYZ	xyz(12.3213, 7.8660, 44.5761)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.06

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433DB5 #AFB53D

analogous

#3D73B5 #433DB5 #7F3DB5

triadic

#433DB5 #B5433D #3DB543

tetradic

#433DB5 #B53D73 #AFB53D #3DB57F

square

#433DB5 #B53D73 #AFB53D #3DB57F

split-complementary

#433DB5 #B57F3D #73B53D

monochromatic

#211E59 #322E87 #433DB5 #6964CB #9692DA

Accessibility & contrast

On white

8.16

#433DB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#433DB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DB5

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DB5	#FFFFFF	#000000	##FFFFFF
##433DB5	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	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: #433db5;
/* rgb */ color: rgb(67, 61, 181);
/* oklch */ color: oklch(44.5% 0.183 278.1);

Tailwind

colors: {
  custom: {
    50: '#8473cc',
    500: '#433db5',
    950: '#000000',
  },
}

SCSS

$custom: #433db5;
$custom-light: #8473cc;
$custom-dark: #000000;

JSON

{
  "hex": "#433db5",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 181
  },
  "hsl": {
    "h": 243,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4447,
    "c": 0.18289,
    "h": 278.1
  },
  "luminance": 0.07867
}

Semantic roles & 50–950 ramp

primary

#433DB5

secondary

#C2C588

accent

#D94FD2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433DB5

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

Preview Lab → · Contrast checker → · Palette generator →