#433CB1#433CB1

#433CB1 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.179 H 278.7°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#433CB1
RGB	rgb(67, 60, 177)
HSL	hsl(244, 49%, 46%)
HSV	hsv(244, 66%, 69%)
CMYK	cmyk(62.1%, 66.1%, 0%, 30.6%)
CIE-LAB	lab(33.13, 38.10, -61.37)
CIE-LCH	lch(33.13, 72.24, 301.84°)
OKLab	oklab(43.95% 0.0272 -0.1768)
OKLCH	oklch(43.95% 0.179 278.7)
XYZ	xyz(11.8639, 7.5984, 42.4279)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.29

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433CB1 #AAB13C

analogous

#3C70B1 #433CB1 #7E3CB1

triadic

#433CB1 #B1433C #3CB143

tetradic

#433CB1 #B13C70 #AAB13C #3CB17E

square

#433CB1 #B13C70 #AAB13C #3CB17E

split-complementary

#433CB1 #B17E3C #70B13C

monochromatic

#201D56 #322D83 #433CB1 #6761C9 #938FD9

Accessibility & contrast

On white

8.33

#433CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#433CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433CB1

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433CB1	#FFFFFF	#000000	##FFFFFF
##433CB1	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B5

Deuteranopia (green-blind)

#0049AF

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #433cb1;
/* rgb */ color: rgb(67, 60, 177);
/* oklch */ color: oklch(44.0% 0.179 278.7);

Tailwind

colors: {
  custom: {
    50: '#8472c9',
    500: '#433cb1',
    950: '#000000',
  },
}

SCSS

$custom: #433cb1;
$custom-light: #8472c9;
$custom-dark: #000000;

JSON

{
  "hex": "#433cb1",
  "rgb": {
    "r": 67,
    "g": 60,
    "b": 177
  },
  "hsl": {
    "h": 243.59,
    "s": 49.367,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4395,
    "c": 0.17891,
    "h": 278.7
  },
  "luminance": 0.07599
}

Semantic roles & 50–950 ramp

primary

#433CB1

secondary

#C0C485

accent

#D94FD1

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433CB1

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

Preview Lab → · Contrast checker → · Palette generator →