#3564C9#3564C9

#3564C9 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.7% C 0.166 H 263.1°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3564C9
RGB	rgb(53, 100, 201)
HSL	hsl(221, 58%, 50%)
HSV	hsv(221, 74%, 79%)
CMYK	cmyk(73.6%, 50.2%, 0%, 21.2%)
CIE-LAB	lab(44.36, 19.13, -57.21)
CIE-LCH	lch(44.36, 60.33, 288.48°)
OKLab	oklab(52.69% -0.0198 -0.1645)
OKLCH	oklch(52.69% 0.166 263.1)
XYZ	xyz(16.5642, 14.0865, 57.0930)
Luminance	0.1409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564C9 #C99A35

analogous

#35AEC9 #3564C9 #5035C9

triadic

#3564C9 #C93564 #64C935

tetradic

#3564C9 #C935AE #C99A35 #35C950

square

#3564C9 #C935AE #C99A35 #35C950

split-complementary

#3564C9 #C95035 #AEC935

monochromatic

#1B3468 #284C99 #3564C9 #6589D6 #95AEE3

Accessibility & contrast

On white

5.50

#3564C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3564C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564C9

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564C9	#FFFFFF	#000000	##FFFFFF
##3564C9	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2770CD

Deuteranopia (green-blind)

#0062C7

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3564c9;
/* rgb */ color: rgb(53, 100, 201);
/* oklch */ color: oklch(52.7% 0.166 263.1);

Tailwind

colors: {
  custom: {
    50: '#808fda',
    500: '#3564c9',
    950: '#000000',
  },
}

SCSS

$custom: #3564c9;
$custom-light: #808fda;
$custom-dark: #000000;

JSON

{
  "hex": "#3564c9",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 201
  },
  "hsl": {
    "h": 220.946,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.5269,
    "c": 0.16566,
    "h": 263.1
  },
  "luminance": 0.14088
}

Semantic roles & 50–950 ramp

primary

#3564C9

secondary

#CEB98B

accent

#B046E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3564C9

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

Preview Lab → · Contrast checker → · Palette generator →