#3565B9#3565B9

#3565B9 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.8% C 0.143 H 260.7°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3565B9
RGB	rgb(53, 101, 185)
HSL	hsl(218, 55%, 47%)
HSV	hsv(218, 71%, 73%)
CMYK	cmyk(71.4%, 45.4%, 0%, 27.5%)
CIE-LAB	lab(43.60, 12.54, -49.16)
CIE-LCH	lch(43.60, 50.73, 284.31°)
OKLab	oklab(51.78% -0.023 -0.1407)
OKLCH	oklch(51.78% 0.143 260.7)
XYZ	xyz(14.8757, 13.5655, 47.7240)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3565B9 #B98935

analogous

#35A7B9 #3565B9 #4735B9

triadic

#3565B9 #B93565 #65B935

tetradic

#3565B9 #B935A7 #B98935 #35B947

square

#3565B9 #B935A7 #B98935 #35B947

split-complementary

#3565B9 #B94735 #A7B935

monochromatic

#1A315A #274B89 #3565B9 #5B86D0 #8BA9DE

Accessibility & contrast

On white

5.66

#3565B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3565B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3565B9

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3565B9	#FFFFFF	#000000	##FFFFFF
##3565B9	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)

#3A6EBC

Deuteranopia (green-blind)

#2061B7

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3565b9;
/* rgb */ color: rgb(53, 101, 185);
/* oklch */ color: oklch(51.8% 0.143 260.7);

Tailwind

colors: {
  custom: {
    50: '#7c90ce',
    500: '#3565b9',
    950: '#000000',
  },
}

SCSS

$custom: #3565b9;
$custom-light: #7c90ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3565b9",
  "rgb": {
    "r": 53,
    "g": 101,
    "b": 185
  },
  "hsl": {
    "h": 218.182,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.51781,
    "c": 0.14262,
    "h": 260.7
  },
  "luminance": 0.13567
}

Semantic roles & 50–950 ramp

primary

#3565B9

secondary

#C8AE82

accent

#A849DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3565B9

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

Preview Lab → · Contrast checker → · Palette generator →