#433FB5#433FB5

#433FB5 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.8% C 0.181 H 277.7°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#433FB5
RGB	rgb(67, 63, 181)
HSL	hsl(242, 48%, 48%)
HSV	hsv(242, 65%, 71%)
CMYK	cmyk(63%, 65.2%, 0%, 29%)
CIE-LAB	lab(34.16, 37.60, -62.07)
CIE-LCH	lch(34.16, 72.57, 301.21°)
OKLab	oklab(44.8% 0.0243 -0.1789)
OKLCH	oklch(44.8% 0.181 277.7)
XYZ	xyz(12.4300, 8.0835, 44.6123)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433FB5 #B1B53F

analogous

#3F76B5 #433FB5 #7E3FB5

triadic

#433FB5 #B5433F #3FB543

tetradic

#433FB5 #B53F76 #B1B53F #3FB57E

square

#433FB5 #B53F76 #B1B53F #3FB57E

split-complementary

#433FB5 #B57E3F #76B53F

monochromatic

#211F5A #322F88 #433FB5 #6A67CA #9794DA

Accessibility & contrast

On white

8.02

#433FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#433FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433FB5

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433FB5	#FFFFFF	#000000	##FFFFFF
##433FB5	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B9

Deuteranopia (green-blind)

#004BB3

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #433fb5;
/* rgb */ color: rgb(67, 63, 181);
/* oklch */ color: oklch(44.8% 0.181 277.7);

Tailwind

colors: {
  custom: {
    50: '#8475cc',
    500: '#433fb5',
    950: '#000000',
  },
}

SCSS

$custom: #433fb5;
$custom-light: #8475cc;
$custom-dark: #000000;

JSON

{
  "hex": "#433fb5",
  "rgb": {
    "r": 67,
    "g": 63,
    "b": 181
  },
  "hsl": {
    "h": 242.034,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.448,
    "c": 0.18051,
    "h": 277.7
  },
  "luminance": 0.08085
}

Semantic roles & 50–950 ramp

primary

#433FB5

secondary

#C3C58A

accent

#D850D3

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433FB5

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

Preview Lab → · Contrast checker → · Palette generator →