#3365B9#3365B9

#3365B9 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.7% C 0.143 H 260.1°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3365B9
RGB	rgb(51, 101, 185)
HSL	hsl(218, 57%, 46%)
HSV	hsv(218, 72%, 73%)
CMYK	cmyk(72.4%, 45.4%, 0%, 27.5%)
CIE-LAB	lab(43.53, 12.25, -49.29)
CIE-LCH	lch(43.53, 50.79, 283.96°)
OKLab	oklab(51.7% -0.0245 -0.1412)
OKLCH	oklch(51.7% 0.143 260.1)
XYZ	xyz(14.7727, 13.5124, 47.7191)
Luminance	0.1351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3365B9 #B98733

analogous

#33A8B9 #3365B9 #4433B9

triadic

#3365B9 #B93365 #65B933

tetradic

#3365B9 #B933A8 #B98733 #33B944

square

#3365B9 #B933A8 #B98733 #33B944

split-complementary

#3365B9 #B94433 #A8B933

monochromatic

#193159 #264B89 #3365B9 #5885D1 #88A8DE

Accessibility & contrast

On white

5.67

#3365B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#3365B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3365B9

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3365B9	#FFFFFF	#000000	##FFFFFF
##3365B9	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6DBC

Deuteranopia (green-blind)

#1F61B7

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3365b9;
/* rgb */ color: rgb(51, 101, 185);
/* oklch */ color: oklch(51.7% 0.143 260.1);

Tailwind

colors: {
  custom: {
    50: '#7c90ce',
    500: '#3365b9',
    950: '#000000',
  },
}

SCSS

$custom: #3365b9;
$custom-light: #7c90ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3365b9",
  "rgb": {
    "r": 51,
    "g": 101,
    "b": 185
  },
  "hsl": {
    "h": 217.612,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.517,
    "c": 0.14328,
    "h": 260.1
  },
  "luminance": 0.13514
}

Semantic roles & 50–950 ramp

primary

#3365B9

secondary

#C8AD80

accent

#A748E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3365B9

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

Preview Lab → · Contrast checker → · Palette generator →