#3365BF#3365BF

#3365BF is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.1% C 0.151 H 261.1°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3365BF
RGB	rgb(51, 101, 191)
HSL	hsl(219, 58%, 47%)
HSV	hsv(219, 73%, 75%)
CMYK	cmyk(73.3%, 47.1%, 0%, 25.1%)
CIE-LAB	lab(43.90, 14.50, -52.17)
CIE-LCH	lch(43.90, 54.15, 285.53°)
OKLab	oklab(52.11% -0.0235 -0.1496)
OKLCH	oklch(52.11% 0.151 261.1)
XYZ	xyz(15.4195, 13.7711, 51.1256)
Luminance	0.1377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3365BF #BF8D33

analogous

#33ABBF #3365BF #4733BF

triadic

#3365BF #BF3365 #65BF33

tetradic

#3365BF #BF33AB #BF8D33 #33BF47

square

#3365BF #BF33AB #BF8D33 #33BF47

split-complementary

#3365BF #BF4733 #ABBF33

monochromatic

#19325E #264B8F #3365BF #5C87D3 #8CAAE0

Accessibility & contrast

On white

5.59

#3365BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3365BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3365BF

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3365BF	#FFFFFF	#000000	##FFFFFF
##3365BF	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356FC2

Deuteranopia (green-blind)

#1162BD

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3365bf;
/* rgb */ color: rgb(51, 101, 191);
/* oklch */ color: oklch(52.1% 0.151 261.1);

Tailwind

colors: {
  custom: {
    50: '#7d90d3',
    500: '#3365bf',
    950: '#000000',
  },
}

SCSS

$custom: #3365bf;
$custom-light: #7d90d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3365bf",
  "rgb": {
    "r": 51,
    "g": 101,
    "b": 191
  },
  "hsl": {
    "h": 218.571,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.52112,
    "c": 0.15148,
    "h": 261.1
  },
  "luminance": 0.13773
}

Semantic roles & 50–950 ramp

primary

#3365BF

secondary

#CBB183

accent

#AA47E1

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3365BF

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

Preview Lab → · Contrast checker → · Palette generator →