#3565B1#3565B1

#3565B1 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.3% C 0.132 H 259.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3565B1
RGB	rgb(53, 101, 177)
HSL	hsl(217, 54%, 45%)
HSV	hsv(217, 70%, 69%)
CMYK	cmyk(70.1%, 42.9%, 0%, 30.6%)
CIE-LAB	lab(43.12, 9.58, -45.26)
CIE-LCH	lch(43.12, 46.26, 281.95°)
OKLab	oklab(51.25% -0.0245 -0.1293)
OKLCH	oklch(51.25% 0.132 259.3)
XYZ	xyz(14.0548, 13.2371, 43.4008)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3565B1 #B18135

analogous

#35A3B1 #3565B1 #4335B1

triadic

#3565B1 #B13565 #65B135

tetradic

#3565B1 #B135A3 #B18135 #35B143

square

#3565B1 #B135A3 #B18135 #35B143

split-complementary

#3565B1 #B14335 #A3B135

monochromatic

#192F53 #274A82 #3565B1 #5784CD #86A7DB

Accessibility & contrast

On white

5.76

#3565B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3565B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3565B1

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3565B1	#FFFFFF	#000000	##FFFFFF
##3565B1	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416CB4

Deuteranopia (green-blind)

#2C61AF

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3565b1;
/* rgb */ color: rgb(53, 101, 177);
/* oklch */ color: oklch(51.3% 0.132 259.3);

Tailwind

colors: {
  custom: {
    50: '#7b90c9',
    500: '#3565b1',
    950: '#000000',
  },
}

SCSS

$custom: #3565b1;
$custom-light: #7b90c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3565b1",
  "rgb": {
    "r": 53,
    "g": 101,
    "b": 177
  },
  "hsl": {
    "h": 216.774,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51251,
    "c": 0.13161,
    "h": 259.3
  },
  "luminance": 0.13239
}

Semantic roles & 50–950 ramp

primary

#3565B1

secondary

#C4A97D

accent

#A44BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3565B1

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

Preview Lab → · Contrast checker → · Palette generator →