#433FB1#433FB1

#433FB1 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.5% C 0.175 H 278.1°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#433FB1
RGB	rgb(67, 63, 177)
HSL	hsl(242, 48%, 47%)
HSV	hsv(242, 64%, 69%)
CMYK	cmyk(62.1%, 64.4%, 0%, 30.6%)
CIE-LAB	lab(33.82, 36.27, -60.25)
CIE-LCH	lch(33.82, 70.32, 301.05°)
OKLab	oklab(44.45% 0.0246 -0.1735)
OKLCH	oklch(44.45% 0.175 278.1)
XYZ	xyz(12.0255, 7.9217, 42.4818)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433FB1 #ADB13F

analogous

#3F74B1 #433FB1 #7C3FB1

triadic

#433FB1 #B1433F #3FB143

tetradic

#433FB1 #B13F74 #ADB13F #3FB17C

square

#433FB1 #B13F74 #ADB13F #3FB17C

split-complementary

#433FB1 #B17C3F #74B13F

monochromatic

#211F57 #322F84 #433FB1 #6865C8 #9592D8

Accessibility & contrast

On white

8.13

#433FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#433FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433FB1

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433FB1	#FFFFFF	#000000	##FFFFFF
##433FB1	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#004BAF

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433fb1;
/* rgb */ color: rgb(67, 63, 177);
/* oklch */ color: oklch(44.5% 0.175 278.1);

Tailwind

colors: {
  custom: {
    50: '#8374c9',
    500: '#433fb1',
    950: '#000000',
  },
}

SCSS

$custom: #433fb1;
$custom-light: #8374c9;
$custom-dark: #000000;

JSON

{
  "hex": "#433fb1",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 177
  },
  "hsl": {
    "h": 242.105,
    "s": 47.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.4445,
    "c": 0.17526,
    "h": 278.1
  },
  "luminance": 0.07923
}

Semantic roles & 50–950 ramp

primary

#433FB1

secondary

#C1C488

accent

#D751D2

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433FB1

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

Preview Lab → · Contrast checker → · Palette generator →