#3340BC#3340BC

#3340BC is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.192 H 271.3°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#3340BC
RGB	rgb(51, 64, 188)
HSL	hsl(234, 57%, 47%)
HSV	hsv(234, 73%, 74%)
CMYK	cmyk(72.9%, 66%, 0%, 26.3%)
CIE-LAB	lab(33.98, 37.27, -66.53)
CIE-LCH	lch(33.98, 76.26, 299.26°)
OKLab	oklab(44.6% 0.0044 -0.1923)
OKLCH	oklch(44.6% 0.192 271.3)
XYZ	xyz(12.2727, 8.0002, 48.4646)
Luminance	0.0800 (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

#3340BC #BCAF33

analogous

#3384BC #3340BC #6B33BC

triadic

#3340BC #BC3340 #40BC33

tetradic

#3340BC #BC3384 #BCAF33 #33BC6B

square

#3340BC #BC3384 #BCAF33 #33BC6B

split-complementary

#3340BC #BC6B33 #84BC33

monochromatic

#191F5C #26308C #3340BC #5A65D2 #8A92DF

Accessibility & contrast

On white

8.08

#3340BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3340BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340BC

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340BC	#FFFFFF	#000000	##FFFFFF
##3340BC	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)

#0056C0

Deuteranopia (green-blind)

#004ABA

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3340bc;
/* rgb */ color: rgb(51, 64, 188);
/* oklch */ color: oklch(44.6% 0.192 271.3);

Tailwind

colors: {
  custom: {
    50: '#7f75d1',
    500: '#3340bc',
    950: '#000000',
  },
}

SCSS

$custom: #3340bc;
$custom-light: #7f75d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3340bc",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 188
  },
  "hsl": {
    "h": 234.307,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44595,
    "c": 0.19238,
    "h": 271.3
  },
  "luminance": 0.08001
}

Semantic roles & 50–950 ramp

primary

#3340BC

secondary

#C9C381

accent

#D247E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3340BC

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

Preview Lab → · Contrast checker → · Palette generator →