#3565B2#3565B2

#3565B2 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.3% C 0.133 H 259.5°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3565B2
RGB	rgb(53, 101, 178)
HSL	hsl(217, 54%, 45%)
HSV	hsv(217, 70%, 70%)
CMYK	cmyk(70.2%, 43.3%, 0%, 30.2%)
CIE-LAB	lab(43.18, 9.95, -45.75)
CIE-LCH	lch(43.18, 46.82, 282.27°)
OKLab	oklab(51.32% -0.0243 -0.1307)
OKLCH	oklch(51.32% 0.133 259.5)
XYZ	xyz(14.1549, 13.2771, 43.9276)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3565B2 #B28235

analogous

#35A3B2 #3565B2 #4335B2

triadic

#3565B2 #B23565 #65B235

tetradic

#3565B2 #B235A3 #B28235 #35B243

square

#3565B2 #B235A3 #B28235 #35B243

split-complementary

#3565B2 #B24335 #A3B235

monochromatic

#192F54 #274A83 #3565B2 #5784CD #86A7DB

Accessibility & contrast

On white

5.74

#3565B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3565B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3565B2

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3565B2	#FFFFFF	#000000	##FFFFFF
##3565B2	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406CB5

Deuteranopia (green-blind)

#2A61B0

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3565b2;
/* rgb */ color: rgb(53, 101, 178);
/* oklch */ color: oklch(51.3% 0.133 259.5);

Tailwind

colors: {
  custom: {
    50: '#7b90c9',
    500: '#3565b2',
    950: '#000000',
  },
}

SCSS

$custom: #3565b2;
$custom-light: #7b90c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3565b2",
  "rgb": {
    "r": 53,
    "g": 101,
    "b": 178
  },
  "hsl": {
    "h": 216.96,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51316,
    "c": 0.13298,
    "h": 259.5
  },
  "luminance": 0.13279
}

Semantic roles & 50–950 ramp

primary

#3565B2

secondary

#C5AA7E

accent

#A54ADD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3565B2

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

Preview Lab → · Contrast checker → · Palette generator →