#3559BF#3559BF

#3559BF is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.166 H 265.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#3559BF
RGB	rgb(53, 89, 191)
HSL	hsl(224, 57%, 48%)
HSV	hsv(224, 72%, 75%)
CMYK	cmyk(72.3%, 53.4%, 0%, 25.1%)
CIE-LAB	lab(40.67, 22.52, -57.38)
CIE-LCH	lch(40.67, 61.64, 291.43°)
OKLab	oklab(49.67% -0.0119 -0.1651)
OKLCH	oklch(49.67% 0.166 265.9)
XYZ	xyz(14.4413, 11.6617, 50.7700)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559BF #BF9B35

analogous

#359EBF #3559BF #5635BF

triadic

#3559BF #BF3559 #59BF35

tetradic

#3559BF #BF359E #BF9B35 #35BF56

square

#3559BF #BF359E #BF9B35 #35BF56

split-complementary

#3559BF #BF5635 #9EBF35

monochromatic

#1A2C5F #28438F #3559BF #5F7DD3 #8FA4E0

Accessibility & contrast

On white

6.30

#3559BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3559BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559BF

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559BF	#FFFFFF	#000000	##FFFFFF
##3559BF	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C67C3

Deuteranopia (green-blind)

#005ABD

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3559bf;
/* rgb */ color: rgb(53, 89, 191);
/* oklch */ color: oklch(49.7% 0.166 265.9);

Tailwind

colors: {
  custom: {
    50: '#7e87d3',
    500: '#3559bf',
    950: '#000000',
  },
}

SCSS

$custom: #3559bf;
$custom-light: #7e87d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3559bf",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 191
  },
  "hsl": {
    "h": 224.348,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49672,
    "c": 0.16556,
    "h": 265.9
  },
  "luminance": 0.11663
}

Semantic roles & 50–950 ramp

primary

#3559BF

secondary

#CAB885

accent

#B848E0

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3559BF

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

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