#3565B4#3565B4

#3565B4 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.4% C 0.136 H 259.8°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3565B4
RGB	rgb(53, 101, 180)
HSL	hsl(217, 55%, 46%)
HSV	hsv(217, 71%, 71%)
CMYK	cmyk(70.6%, 43.9%, 0%, 29.4%)
CIE-LAB	lab(43.30, 10.69, -46.73)
CIE-LCH	lch(43.30, 47.94, 282.89°)
OKLab	oklab(51.45% -0.0239 -0.1336)
OKLCH	oklch(51.45% 0.136 259.8)
XYZ	xyz(14.3571, 13.3580, 44.9929)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3565B4 #B48435

analogous

#35A4B4 #3565B4 #4535B4

triadic

#3565B4 #B43565 #65B435

tetradic

#3565B4 #B435A4 #B48435 #35B445

square

#3565B4 #B435A4 #B48435 #35B445

split-complementary

#3565B4 #B44535 #A4B435

monochromatic

#193055 #274A85 #3565B4 #5885CE #88A7DC

Accessibility & contrast

On white

5.72

#3565B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3565B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3565B4

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3565B4	#FFFFFF	#000000	##FFFFFF
##3565B4	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6DB7

Deuteranopia (green-blind)

#2861B2

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3565b4;
/* rgb */ color: rgb(53, 101, 180);
/* oklch */ color: oklch(51.4% 0.136 259.8);

Tailwind

colors: {
  custom: {
    50: '#7b90cb',
    500: '#3565b4',
    950: '#000000',
  },
}

SCSS

$custom: #3565b4;
$custom-light: #7b90cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3565b4",
  "rgb": {
    "r": 53,
    "g": 101,
    "b": 180
  },
  "hsl": {
    "h": 217.323,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51447,
    "c": 0.13574,
    "h": 259.8
  },
  "luminance": 0.1336
}

Semantic roles & 50–950 ramp

primary

#3565B4

secondary

#C6AB7F

accent

#A64ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3565B4

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

Preview Lab → · Contrast checker → · Palette generator →