#3365B8#3365B8

#3365B8 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.6% C 0.142 H 260.0°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3365B8
RGB	rgb(51, 101, 184)
HSL	hsl(217, 57%, 46%)
HSV	hsv(217, 72%, 72%)
CMYK	cmyk(72.3%, 45.1%, 0%, 27.8%)
CIE-LAB	lab(43.46, 11.88, -48.80)
CIE-LCH	lch(43.46, 50.23, 283.68°)
OKLab	oklab(51.63% -0.0247 -0.1397)
OKLCH	oklch(51.63% 0.142 260)
XYZ	xyz(14.6675, 13.4703, 47.1651)
Luminance	0.1347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3365B8 #B88633

analogous

#33A7B8 #3365B8 #4433B8

triadic

#3365B8 #B83365 #65B833

tetradic

#3365B8 #B833A7 #B88633 #33B844

square

#3365B8 #B833A7 #B88633 #33B844

split-complementary

#3365B8 #B84433 #A7B833

monochromatic

#183058 #264B88 #3365B8 #5885D1 #88A8DE

Accessibility & contrast

On white

5.68

#3365B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3365B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3365B8

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3365B8	#FFFFFF	#000000	##FFFFFF
##3365B8	1.00	5.68	3.69	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6DBB

Deuteranopia (green-blind)

#2161B6

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3365b8;
/* rgb */ color: rgb(51, 101, 184);
/* oklch */ color: oklch(51.6% 0.142 260.0);

Tailwind

colors: {
  custom: {
    50: '#7b90ce',
    500: '#3365b8',
    950: '#000000',
  },
}

SCSS

$custom: #3365b8;
$custom-light: #7b90ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3365b8",
  "rgb": {
    "r": 51,
    "g": 101,
    "b": 184
  },
  "hsl": {
    "h": 217.444,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.51632,
    "c": 0.14191,
    "h": 260
  },
  "luminance": 0.13472
}

Semantic roles & 50–950 ramp

primary

#3365B8

secondary

#C8AC7F

accent

#A748E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3365B8

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

Preview Lab → · Contrast checker → · Palette generator →