#3559BD#3559BD

#3559BD is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.5% C 0.163 H 265.8°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#3559BD
RGB	rgb(53, 89, 189)
HSL	hsl(224, 56%, 47%)
HSV	hsv(224, 72%, 74%)
CMYK	cmyk(72%, 52.9%, 0%, 25.9%)
CIE-LAB	lab(40.53, 21.78, -56.44)
CIE-LCH	lch(40.53, 60.50, 291.10°)
OKLab	oklab(49.52% -0.012 -0.1624)
OKLCH	oklch(49.52% 0.163 265.8)
XYZ	xyz(14.2227, 11.5743, 49.6187)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559BD #BD9935

analogous

#359DBD #3559BD #5535BD

triadic

#3559BD #BD3559 #59BD35

tetradic

#3559BD #BD359D #BD9935 #35BD55

square

#3559BD #BD359D #BD9935 #35BD55

split-complementary

#3559BD #BD5535 #9DBD35

monochromatic

#1A2C5D #28428D #3559BD #5D7CD2 #8DA3DF

Accessibility & contrast

On white

6.33

#3559BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3559BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559BD

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559BD	#FFFFFF	#000000	##FFFFFF
##3559BD	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1366C1

Deuteranopia (green-blind)

#005ABB

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3559bd;
/* rgb */ color: rgb(53, 89, 189);
/* oklch */ color: oklch(49.5% 0.163 265.8);

Tailwind

colors: {
  custom: {
    50: '#7e87d2',
    500: '#3559bd',
    950: '#000000',
  },
}

SCSS

$custom: #3559bd;
$custom-light: #7e87d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3559bd",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 189
  },
  "hsl": {
    "h": 224.118,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4952,
    "c": 0.16283,
    "h": 265.8
  },
  "luminance": 0.11576
}

Semantic roles & 50–950 ramp

primary

#3559BD

secondary

#CAB784

accent

#B748DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3559BD

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

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