#3345B9#3345B9

#3345B9 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.2% C 0.183 H 270.4°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#3345B9
RGB	rgb(51, 69, 185)
HSL	hsl(232, 57%, 46%)
HSV	hsv(232, 72%, 73%)
CMYK	cmyk(72.4%, 62.7%, 0%, 27.5%)
CIE-LAB	lab(34.93, 33.03, -63.21)
CIE-LCH	lch(34.93, 71.33, 297.59°)
OKLab	oklab(45.21% 0.0013 -0.1826)
OKLCH	oklch(45.21% 0.183 270.4)
XYZ	xyz(12.2473, 8.4616, 46.8773)
Luminance	0.0846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345B9 #B9A733

analogous

#3388B9 #3345B9 #6433B9

triadic

#3345B9 #B93345 #45B933

tetradic

#3345B9 #B93388 #B9A733 #33B964

square

#3345B9 #B93388 #B9A733 #33B964

split-complementary

#3345B9 #B96433 #88B933

monochromatic

#192159 #263389 #3345B9 #5868D1 #8894DE

Accessibility & contrast

On white

7.80

#3345B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3345B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345B9

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345B9	#FFFFFF	#000000	##FFFFFF
##3345B9	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BD

Deuteranopia (green-blind)

#004CB7

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3345b9;
/* rgb */ color: rgb(51, 69, 185);
/* oklch */ color: oklch(45.2% 0.183 270.4);

Tailwind

colors: {
  custom: {
    50: '#7d78cf',
    500: '#3345b9',
    950: '#000000',
  },
}

SCSS

$custom: #3345b9;
$custom-light: #7d78cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3345b9",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 185
  },
  "hsl": {
    "h": 231.94,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45206,
    "c": 0.18259,
    "h": 270.4
  },
  "luminance": 0.08463
}

Semantic roles & 50–950 ramp

primary

#3345B9

secondary

#C8BE80

accent

#CC48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3345B9

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

Preview Lab → · Contrast checker → · Palette generator →