#3365BA#3365BA

#3365BA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.8% C 0.145 H 260.3°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3365BA
RGB	rgb(51, 101, 186)
HSL	hsl(218, 57%, 46%)
HSV	hsv(218, 73%, 73%)
CMYK	cmyk(72.6%, 45.7%, 0%, 27.1%)
CIE-LAB	lab(43.59, 12.63, -49.77)
CIE-LCH	lch(43.59, 51.35, 284.24°)
OKLab	oklab(51.77% -0.0244 -0.1426)
OKLCH	oklch(51.77% 0.145 260.3)
XYZ	xyz(14.8787, 13.5547, 48.2770)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3365BA #BA8833

analogous

#33A9BA #3365BA #4533BA

triadic

#3365BA #BA3365 #65BA33

tetradic

#3365BA #BA33A9 #BA8833 #33BA45

square

#3365BA #BA33A9 #BA8833 #33BA45

split-complementary

#3365BA #BA4533 #A9BA33

monochromatic

#19315A #264B8A #3365BA #5985D1 #89A9DF

Accessibility & contrast

On white

5.66

#3365BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3365BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3365BA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3365BA	#FFFFFF	#000000	##FFFFFF
##3365BA	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396EBD

Deuteranopia (green-blind)

#1D61B8

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3365ba;
/* rgb */ color: rgb(51, 101, 186);
/* oklch */ color: oklch(51.8% 0.145 260.3);

Tailwind

colors: {
  custom: {
    50: '#7c90cf',
    500: '#3365ba',
    950: '#000000',
  },
}

SCSS

$custom: #3365ba;
$custom-light: #7c90cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3365ba",
  "rgb": {
    "r": 51,
    "g": 101,
    "b": 186
  },
  "hsl": {
    "h": 217.778,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.51768,
    "c": 0.14465,
    "h": 260.3
  },
  "luminance": 0.13556
}

Semantic roles & 50–950 ramp

primary

#3365BA

secondary

#C9AE80

accent

#A848E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3365BA

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

Preview Lab → · Contrast checker → · Palette generator →