#3345B7#3345B7

#3345B7 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.0% C 0.180 H 270.4°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#3345B7
RGB	rgb(51, 69, 183)
HSL	hsl(232, 56%, 46%)
HSV	hsv(232, 72%, 72%)
CMYK	cmyk(72.1%, 62.3%, 0%, 28.2%)
CIE-LAB	lab(34.76, 32.31, -62.31)
CIE-LCH	lch(34.76, 70.19, 297.41°)
OKLab	oklab(45.03% 0.0013 -0.1799)
OKLCH	oklch(45.03% 0.18 270.4)
XYZ	xyz(12.0377, 8.3777, 45.7732)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345B7 #B7A533

analogous

#3387B7 #3345B7 #6333B7

triadic

#3345B7 #B73345 #45B733

tetradic

#3345B7 #B73387 #B7A533 #33B763

square

#3345B7 #B73387 #B7A533 #33B763

split-complementary

#3345B7 #B76333 #87B733

monochromatic

#182157 #263387 #3345B7 #5768D0 #8793DE

Accessibility & contrast

On white

7.85

#3345B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3345B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345B7

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345B7	#FFFFFF	#000000	##FFFFFF
##3345B7	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BB

Deuteranopia (green-blind)

#004CB5

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3345b7;
/* rgb */ color: rgb(51, 69, 183);
/* oklch */ color: oklch(45.0% 0.180 270.4);

Tailwind

colors: {
  custom: {
    50: '#7d78ce',
    500: '#3345b7',
    950: '#000000',
  },
}

SCSS

$custom: #3345b7;
$custom-light: #7d78ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3345b7",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 183
  },
  "hsl": {
    "h": 231.818,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.45029,
    "c": 0.17994,
    "h": 270.4
  },
  "luminance": 0.08379
}

Semantic roles & 50–950 ramp

primary

#3345B7

secondary

#C7BD7F

accent

#CB48E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3345B7

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

Preview Lab → · Contrast checker → · Palette generator →