#3564AA#3564AA

#3564AA is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.6% C 0.123 H 258.3°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3564AA
RGB	rgb(53, 100, 170)
HSL	hsl(216, 52%, 44%)
HSV	hsv(216, 69%, 67%)
CMYK	cmyk(68.8%, 41.2%, 0%, 33.3%)
CIE-LAB	lab(42.42, 7.64, -42.27)
CIE-LCH	lch(42.42, 42.95, 280.25°)
OKLab	oklab(50.58% -0.025 -0.1205)
OKLCH	oklch(50.58% 0.123 258.3)
XYZ	xyz(13.2785, 12.7722, 39.7879)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564AA #AA7B35

analogous

#359EAA #3564AA #4035AA

triadic

#3564AA #AA3564 #64AA35

tetradic

#3564AA #AA359E #AA7B35 #35AA40

square

#3564AA #AA359E #AA7B35 #35AA40

split-complementary

#3564AA #AA4035 #9EAA35

monochromatic

#182D4D #26497B #3564AA #5382C9 #82A4D8

Accessibility & contrast

On white

5.91

#3564AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3564AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564AA

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564AA	#FFFFFF	#000000	##FFFFFF
##3564AA	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446AAD

Deuteranopia (green-blind)

#315FA9

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3564aa;
/* rgb */ color: rgb(53, 100, 170);
/* oklch */ color: oklch(50.6% 0.123 258.3);

Tailwind

colors: {
  custom: {
    50: '#7a8fc4',
    500: '#3564aa',
    950: '#000000',
  },
}

SCSS

$custom: #3564aa;
$custom-light: #7a8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3564aa",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 170
  },
  "hsl": {
    "h": 215.897,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50575,
    "c": 0.12309,
    "h": 258.3
  },
  "luminance": 0.12774
}

Semantic roles & 50–950 ramp

primary

#3564AA

secondary

#C1A47A

accent

#A24CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3564AA

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

Preview Lab → · Contrast checker → · Palette generator →