#433CB7#433CB7

#433CB7 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.5% C 0.187 H 278.2°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#433CB7
RGB	rgb(67, 60, 183)
HSL	hsl(243, 51%, 48%)
HSV	hsv(243, 67%, 72%)
CMYK	cmyk(63.4%, 67.2%, 0%, 28.2%)
CIE-LAB	lab(33.65, 40.08, -64.08)
CIE-LCH	lch(33.65, 75.58, 302.02°)
OKLab	oklab(44.49% 0.0265 -0.1848)
OKLCH	oklch(44.49% 0.187 278.2)
XYZ	xyz(12.4751, 7.8429, 45.6470)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433CB7 #B0B73C

analogous

#3C72B7 #433CB7 #813CB7

triadic

#433CB7 #B7433C #3CB743

tetradic

#433CB7 #B73C72 #B0B73C #3CB781

square

#433CB7 #B73C72 #B0B73C #3CB781

split-complementary

#433CB7 #B7813C #72B73C

monochromatic

#211E5B #322D89 #433CB7 #6A64CC #9692DB

Accessibility & contrast

On white

8.18

#433CB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#433CB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433CB7

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433CB7	#FFFFFF	#000000	##FFFFFF
##433CB7	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BB

Deuteranopia (green-blind)

#004AB5

Tritanopia (blue-blind)

#005C74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #433cb7;
/* rgb */ color: rgb(67, 60, 183);
/* oklch */ color: oklch(44.5% 0.187 278.2);

Tailwind

colors: {
  custom: {
    50: '#8573ce',
    500: '#433cb7',
    950: '#000000',
  },
}

SCSS

$custom: #433cb7;
$custom-light: #8573ce;
$custom-dark: #000000;

JSON

{
  "hex": "#433cb7",
  "rgb": {
    "r": 67,
    "g": 60,
    "b": 183
  },
  "hsl": {
    "h": 243.415,
    "s": 50.617,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44488,
    "c": 0.18665,
    "h": 278.2
  },
  "luminance": 0.07844
}

Semantic roles & 50–950 ramp

primary

#433CB7

secondary

#C3C688

accent

#DA4ED2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #433CB7

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

Preview Lab → · Contrast checker → · Palette generator →