#3365C0#3365C0

#3365C0 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.153 H 261.2°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3365C0
RGB	rgb(51, 101, 192)
HSL	hsl(219, 58%, 48%)
HSV	hsv(219, 73%, 75%)
CMYK	cmyk(73.4%, 47.4%, 0%, 24.7%)
CIE-LAB	lab(43.97, 14.87, -52.65)
CIE-LCH	lch(43.97, 54.71, 285.77°)
OKLab	oklab(52.18% -0.0234 -0.151)
OKLCH	oklch(52.18% 0.153 261.2)
XYZ	xyz(15.5299, 13.8152, 51.7071)
Luminance	0.1382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3365C0 #C08E33

analogous

#33ACC0 #3365C0 #4733C0

triadic

#3365C0 #C03365 #65C033

tetradic

#3365C0 #C033AC #C08E33 #33C047

square

#3365C0 #C033AC #C08E33 #33C047

split-complementary

#3365C0 #C04733 #ACC033

monochromatic

#19325F #264C90 #3365C0 #5C87D4 #8DABE1

Accessibility & contrast

On white

5.58

#3365C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3365C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3365C0

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3365C0	#FFFFFF	#000000	##FFFFFF
##3365C0	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346FC3

Deuteranopia (green-blind)

#0D62BE

Tritanopia (blue-blind)

#007B89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3365c0;
/* rgb */ color: rgb(51, 101, 192);
/* oklch */ color: oklch(52.2% 0.153 261.2);

Tailwind

colors: {
  custom: {
    50: '#7d90d4',
    500: '#3365c0',
    950: '#000000',
  },
}

SCSS

$custom: #3365c0;
$custom-light: #7d90d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3365c0",
  "rgb": {
    "r": 51,
    "g": 101,
    "b": 192
  },
  "hsl": {
    "h": 218.723,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52181,
    "c": 0.15284,
    "h": 261.2
  },
  "luminance": 0.13817
}

Semantic roles & 50–950 ramp

primary

#3365C0

secondary

#CBB284

accent

#AA47E1

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3365C0

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

Preview Lab → · Contrast checker → · Palette generator →