#3340B6#3340B6

#3340B6 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.185 H 271.5°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3340B6
RGB	rgb(51, 64, 182)
HSL	hsl(234, 56%, 46%)
HSV	hsv(234, 72%, 71%)
CMYK	cmyk(72%, 64.8%, 0%, 28.6%)
CIE-LAB	lab(33.45, 35.15, -63.86)
CIE-LCH	lch(33.45, 72.89, 298.83°)
OKLab	oklab(44.04% 0.0048 -0.1845)
OKLCH	oklch(44.04% 0.185 271.5)
XYZ	xyz(11.6393, 7.7468, 45.1288)
Luminance	0.0775 (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

#3340B6 #B6A933

analogous

#3381B6 #3340B6 #6733B6

triadic

#3340B6 #B63340 #40B633

tetradic

#3340B6 #B63381 #B6A933 #33B667

square

#3340B6 #B63381 #B6A933 #33B667

split-complementary

#3340B6 #B66733 #81B633

monochromatic

#181E56 #262F86 #3340B6 #5662D0 #868FDD

Accessibility & contrast

On white

8.24

#3340B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3340B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340B6

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340B6	#FFFFFF	#000000	##FFFFFF
##3340B6	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BA

Deuteranopia (green-blind)

#0049B4

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3340b6;
/* rgb */ color: rgb(51, 64, 182);
/* oklch */ color: oklch(44.0% 0.185 271.5);

Tailwind

colors: {
  custom: {
    50: '#7d75cd',
    500: '#3340b6',
    950: '#000000',
  },
}

SCSS

$custom: #3340b6;
$custom-light: #7d75cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3340b6",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 182
  },
  "hsl": {
    "h": 234.046,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.44041,
    "c": 0.18458,
    "h": 271.5
  },
  "luminance": 0.07748
}

Semantic roles & 50–950 ramp

primary

#3340B6

secondary

#C7C07E

accent

#D148E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3340B6

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

Preview Lab → · Contrast checker → · Palette generator →