#3340C0#3340C0

#3340C0 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.198 H 271.2°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3340C0
RGB	rgb(51, 64, 192)
HSL	hsl(234, 58%, 48%)
HSV	hsv(234, 73%, 75%)
CMYK	cmyk(73.4%, 66.7%, 0%, 24.7%)
CIE-LAB	lab(34.34, 38.68, -68.28)
CIE-LCH	lch(34.34, 78.48, 299.53°)
OKLab	oklab(44.97% 0.0041 -0.1975)
OKLCH	oklch(44.97% 0.198 271.2)
XYZ	xyz(12.7098, 8.1750, 50.7671)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3340C0 #C0B333

analogous

#3387C0 #3340C0 #6C33C0

triadic

#3340C0 #C03340 #40C033

tetradic

#3340C0 #C03387 #C0B333 #33C06C

square

#3340C0 #C03387 #C0B333 #33C06C

split-complementary

#3340C0 #C06C33 #87C033

monochromatic

#19205F #263090 #3340C0 #5C67D4 #8D94E1

Accessibility & contrast

On white

7.97

#3340C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3340C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340C0

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340C0	#FFFFFF	#000000	##FFFFFF
##3340C0	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C4

Deuteranopia (green-blind)

#004ABE

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3340c0;
/* rgb */ color: rgb(51, 64, 192);
/* oklch */ color: oklch(45.0% 0.198 271.2);

Tailwind

colors: {
  custom: {
    50: '#7f75d4',
    500: '#3340c0',
    950: '#000000',
  },
}

SCSS

$custom: #3340c0;
$custom-light: #7f75d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3340c0",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 192
  },
  "hsl": {
    "h": 234.468,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44969,
    "c": 0.19751,
    "h": 271.2
  },
  "luminance": 0.08176
}

Semantic roles & 50–950 ramp

primary

#3340C0

secondary

#CBC484

accent

#D347E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3340C0

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

Preview Lab → · Contrast checker → · Palette generator →