#433DBA#433DBA

#433DBA is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.9% C 0.189 H 277.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#433DBA
RGB	rgb(67, 61, 186)
HSL	hsl(243, 51%, 48%)
HSV	hsv(243, 67%, 73%)
CMYK	cmyk(64%, 67.2%, 0%, 27.1%)
CIE-LAB	lab(34.14, 40.46, -65.05)
CIE-LCH	lch(34.14, 76.61, 301.88°)
OKLab	oklab(44.92% 0.0253 -0.1876)
OKLCH	oklch(44.92% 0.189 277.7)
XYZ	xyz(12.8435, 8.0749, 47.3266)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.14

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433DBA #B4BA3D

analogous

#3D75BA #433DBA #813DBA

triadic

#433DBA #BA433D #3DBA43

tetradic

#433DBA #BA3D75 #B4BA3D #3DBA81

square

#433DBA #BA3D75 #B4BA3D #3DBA81

split-complementary

#433DBA #BA813D #75BA3D

monochromatic

#221F5E #322E8C #433DBA #6C67CD #9995DC

Accessibility & contrast

On white

8.03

#433DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#433DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433DBA

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433DBA	#FFFFFF	#000000	##FFFFFF
##433DBA	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433dba;
/* rgb */ color: rgb(67, 61, 186);
/* oklch */ color: oklch(44.9% 0.189 277.7);

Tailwind

colors: {
  custom: {
    50: '#8573d0',
    500: '#433dba',
    950: '#000000',
  },
}

SCSS

$custom: #433dba;
$custom-light: #8573d0;
$custom-dark: #000000;

JSON

{
  "hex": "#433dba",
  "rgb": {
    "r": 67,
    "g": 61,
    "b": 186
  },
  "hsl": {
    "h": 242.88,
    "s": 50.607,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4492,
    "c": 0.18932,
    "h": 277.7
  },
  "luminance": 0.08076
}

Semantic roles & 50–950 ramp

primary

#433DBA

secondary

#C5C88B

accent

#DA4ED3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433DBA

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

Preview Lab → · Contrast checker → · Palette generator →