#433FB3#433FB3

#433FB3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.178 H 277.9°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#433FB3
RGB	rgb(67, 63, 179)
HSL	hsl(242, 48%, 47%)
HSV	hsv(242, 65%, 70%)
CMYK	cmyk(62.6%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(33.99, 36.94, -61.16)
CIE-LCH	lch(33.99, 71.45, 301.13°)
OKLab	oklab(44.62% 0.0245 -0.1762)
OKLCH	oklch(44.62% 0.178 277.9)
XYZ	xyz(12.2263, 8.0020, 43.5393)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.89

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433FB3 #AFB33F

analogous

#3F75B3 #433FB3 #7D3FB3

triadic

#433FB3 #B3433F #3FB343

tetradic

#433FB3 #B33F75 #AFB33F #3FB37D

square

#433FB3 #B33F75 #AFB33F #3FB37D

split-complementary

#433FB3 #B37D3F #75B33F

monochromatic

#211F58 #322F86 #433FB3 #6966C9 #9693D9

Accessibility & contrast

On white

8.08

#433FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#433FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433FB3

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433FB3	#FFFFFF	#000000	##FFFFFF
##433FB3	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433fb3;
/* rgb */ color: rgb(67, 63, 179);
/* oklch */ color: oklch(44.6% 0.178 277.9);

Tailwind

colors: {
  custom: {
    50: '#8474cb',
    500: '#433fb3',
    950: '#000000',
  },
}

SCSS

$custom: #433fb3;
$custom-light: #8474cb;
$custom-dark: #000000;

JSON

{
  "hex": "#433fb3",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 242.069,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44624,
    "c": 0.17789,
    "h": 277.9
  },
  "luminance": 0.08003
}

Semantic roles & 50–950 ramp

primary

#433FB3

secondary

#C2C489

accent

#D850D3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433FB3

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

Preview Lab → · Contrast checker → · Palette generator →