#3559AA#3559AA

#3559AA is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.136 H 264.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3559AA
RGB	rgb(53, 89, 170)
HSL	hsl(222, 52%, 44%)
HSV	hsv(222, 69%, 67%)
CMYK	cmyk(68.8%, 47.6%, 0%, 33.3%)
CIE-LAB	lab(39.25, 14.73, -47.34)
CIE-LCH	lch(39.25, 49.58, 287.29°)
OKLab	oklab(48.13% -0.0143 -0.1356)
OKLCH	oklch(48.13% 0.136 264)
XYZ	xyz(12.2937, 10.8027, 39.4597)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559AA #AA8635

analogous

#3593AA #3559AA #4B35AA

triadic

#3559AA #AA3559 #59AA35

tetradic

#3559AA #AA3593 #AA8635 #35AA4B

square

#3559AA #AA3593 #AA8635 #35AA4B

split-complementary

#3559AA #AA4B35 #93AA35

monochromatic

#18284D #26417B #3559AA #5377C9 #829CD8

Accessibility & contrast

On white

6.64

#3559AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3559AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559AA

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559AA	#FFFFFF	#000000	##FFFFFF
##3559AA	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F62AD

Deuteranopia (green-blind)

#1557A8

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3559aa;
/* rgb */ color: rgb(53, 89, 170);
/* oklch */ color: oklch(48.1% 0.136 264.0);

Tailwind

colors: {
  custom: {
    50: '#7a87c4',
    500: '#3559aa',
    950: '#000000',
  },
}

SCSS

$custom: #3559aa;
$custom-light: #7a87c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3559aa",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 170
  },
  "hsl": {
    "h": 221.538,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48131,
    "c": 0.13635,
    "h": 264
  },
  "luminance": 0.10804
}

Semantic roles & 50–950 ramp

primary

#3559AA

secondary

#C1AB7A

accent

#B04CDC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3559AA

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

Preview Lab → · Contrast checker → · Palette generator →