#433DBB#433DBB

#433DBB is a mid, vivid blue. Relative luminance 0.081; OKLCH L 45.0% C 0.191 H 277.6°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#433DBB
RGB	rgb(67, 61, 187)
HSL	hsl(243, 51%, 49%)
HSV	hsv(243, 67%, 73%)
CMYK	cmyk(64.2%, 67.4%, 0%, 26.7%)
CIE-LAB	lab(34.23, 40.79, -65.50)
CIE-LCH	lch(34.23, 77.16, 301.91°)
OKLab	oklab(45.01% 0.0252 -0.1889)
OKLCH	oklch(45.01% 0.191 277.6)
XYZ	xyz(12.9502, 8.1176, 47.8885)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.18

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433DBB #B5BB3D

analogous

#3D76BB #433DBB #823DBB

triadic

#433DBB #BB433D #3DBB43

tetradic

#433DBB #BB3D76 #B5BB3D #3DBB82

square

#433DBB #BB3D76 #B5BB3D #3DBB82

split-complementary

#433DBB #BB823D #76BB3D

monochromatic

#221F5F #322E8D #433DBB #6C68CE #9996DD

Accessibility & contrast

On white

8.00

#433DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#433DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DBB

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DBB	#FFFFFF	#000000	##FFFFFF
##433DBB	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433dbb;
/* rgb */ color: rgb(67, 61, 187);
/* oklch */ color: oklch(45.0% 0.191 277.6);

Tailwind

colors: {
  custom: {
    50: '#8573d1',
    500: '#433dbb',
    950: '#000000',
  },
}

SCSS

$custom: #433dbb;
$custom-light: #8573d1;
$custom-dark: #000000;

JSON

{
  "hex": "#433dbb",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 187
  },
  "hsl": {
    "h": 242.857,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.45011,
    "c": 0.1906,
    "h": 277.6
  },
  "luminance": 0.08119
}

Semantic roles & 50–950 ramp

primary

#433DBB

secondary

#C5C88C

accent

#DA4ED4

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433DBB

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

Preview Lab → · Contrast checker → · Palette generator →