#3340BE#3340BE

#3340BE is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.8% C 0.195 H 271.2°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#3340BE
RGB	rgb(51, 64, 190)
HSL	hsl(234, 58%, 47%)
HSV	hsv(234, 73%, 75%)
CMYK	cmyk(73.2%, 66.3%, 0%, 25.5%)
CIE-LAB	lab(34.16, 37.98, -67.41)
CIE-LCH	lch(34.16, 77.37, 299.40°)
OKLab	oklab(44.78% 0.0043 -0.1949)
OKLCH	oklch(44.78% 0.195 271.2)
XYZ	xyz(12.4897, 8.0870, 49.6079)
Luminance	0.0809 (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

#3340BE #BEB133

analogous

#3386BE #3340BE #6B33BE

triadic

#3340BE #BE3340 #40BE33

tetradic

#3340BE #BE3386 #BEB133 #33BE6B

square

#3340BE #BE3386 #BEB133 #33BE6B

split-complementary

#3340BE #BE6B33 #86BE33

monochromatic

#191F5E #26308E #3340BE #5B66D3 #8B93E0

Accessibility & contrast

On white

8.02

#3340BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3340BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340BE

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

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

#0057C2

Deuteranopia (green-blind)

#004ABC

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3340be;
/* rgb */ color: rgb(51, 64, 190);
/* oklch */ color: oklch(44.8% 0.195 271.2);

Tailwind

colors: {
  custom: {
    50: '#7f75d3',
    500: '#3340be',
    950: '#000000',
  },
}

SCSS

$custom: #3340be;
$custom-light: #7f75d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3340be",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 190
  },
  "hsl": {
    "h": 234.388,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44781,
    "c": 0.19496,
    "h": 271.2
  },
  "luminance": 0.08088
}

Semantic roles & 50–950 ramp

primary

#3340BE

secondary

#CAC383

accent

#D347E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3340BE

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

Preview Lab → · Contrast checker → · Palette generator →