#3559DA#3559DA

#3559DA is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 51.8% C 0.201 H 267.0°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3559DA
RGB	rgb(53, 89, 218)
HSL	hsl(227, 69%, 53%)
HSV	hsv(227, 76%, 85%)
CMYK	cmyk(75.7%, 59.2%, 0%, 14.5%)
CIE-LAB	lab(42.71, 32.44, -69.64)
CIE-LCH	lch(42.71, 76.83, 294.98°)
OKLab	oklab(51.84% -0.0106 -0.2012)
OKLCH	oklch(51.84% 0.201 267)
XYZ	xyz(17.6910, 12.9616, 67.8855)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559DA #DAB635

analogous

#35ABDA #3559DA #6335DA

triadic

#3559DA #DA3559 #59DA35

tetradic

#3559DA #DA35AB #DAB635 #35DA63

square

#3559DA #DA35AB #DAB635 #35DA63

split-complementary

#3559DA #DA6335 #ABDA35

monochromatic

#172D7E #2040B1 #3559DA #6984E3 #9CAEED

Accessibility & contrast

On white

5.85

#3559DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3559DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559DA

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559DA	#FFFFFF	#000000	##FFFFFF
##3559DA	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDE

Deuteranopia (green-blind)

#005DD8

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3559da;
/* rgb */ color: rgb(53, 89, 218);
/* oklch */ color: oklch(51.8% 0.201 267.0);

Tailwind

colors: {
  custom: {
    50: '#8487e6',
    500: '#3559da',
    950: '#000000',
  },
}

SCSS

$custom: #3559da;
$custom-light: #8487e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3559da",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 218
  },
  "hsl": {
    "h": 226.909,
    "s": 69.038,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51836,
    "c": 0.20146,
    "h": 267
  },
  "luminance": 0.12964
}

Semantic roles & 50–950 ramp

primary

#3559DA

secondary

#D9C992

accent

#C53CEC

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #3559DA

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

Preview Lab → · Contrast checker → · Palette generator →