#433BB9#433BB9

#433BB9 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.5% C 0.190 H 278.1°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#433BB9
RGB	rgb(67, 59, 185)
HSL	hsl(244, 52%, 48%)
HSV	hsv(244, 68%, 73%)
CMYK	cmyk(63.8%, 68.1%, 0%, 27.5%)
CIE-LAB	lab(33.61, 41.32, -65.33)
CIE-LCH	lch(33.61, 77.30, 302.32°)
OKLab	oklab(44.51% 0.027 -0.1884)
OKLCH	oklch(44.51% 0.19 278.1)
XYZ	xyz(12.6328, 7.8230, 46.7338)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.42

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433BB9 #B1B93B

analogous

#3B72B9 #433BB9 #823BB9

triadic

#433BB9 #B9433B #3BB943

tetradic

#433BB9 #B93B72 #B1B93B #3BB982

square

#433BB9 #B93B72 #B1B93B #3BB982

split-complementary

#433BB9 #B9823B #72B93B

monochromatic

#211D5C #322C8B #433BB9 #6A64CD #9792DC

Accessibility & contrast

On white

8.19

#433BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#433BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433BB9

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433BB9	#FFFFFF	#000000	##FFFFFF
##433BB9	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BD

Deuteranopia (green-blind)

#004AB7

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #433bb9;
/* rgb */ color: rgb(67, 59, 185);
/* oklch */ color: oklch(44.5% 0.190 278.1);

Tailwind

colors: {
  custom: {
    50: '#8572cf',
    500: '#433bb9',
    950: '#000000',
  },
}

SCSS

$custom: #433bb9;
$custom-light: #8572cf;
$custom-dark: #000000;

JSON

{
  "hex": "#433bb9",
  "rgb": {
    "r": 67,
    "g": 59,
    "b": 185
  },
  "hsl": {
    "h": 243.81,
    "s": 51.639,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44512,
    "c": 0.19034,
    "h": 278.1
  },
  "luminance": 0.07824
}

Semantic roles & 50–950 ramp

primary

#433BB9

secondary

#C3C788

accent

#DB4DD2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433BB9

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

Preview Lab → · Contrast checker → · Palette generator →