#3559D0#3559D0

#3559D0 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.0% C 0.188 H 266.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3559D0
RGB	rgb(53, 89, 208)
HSL	hsl(226, 62%, 51%)
HSV	hsv(226, 75%, 82%)
CMYK	cmyk(74.5%, 57.2%, 0%, 18.4%)
CIE-LAB	lab(41.93, 28.79, -65.18)
CIE-LCH	lch(41.93, 71.25, 293.83°)
OKLab	oklab(51.01% -0.0108 -0.1881)
OKLCH	oklch(51.01% 0.188 266.7)
XYZ	xyz(16.4218, 12.4539, 61.2007)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559D0 #D0AC35

analogous

#35A6D0 #3559D0 #5E35D0

triadic

#3559D0 #D03559 #59D035

tetradic

#3559D0 #D035A6 #D0AC35 #35D05E

square

#3559D0 #D035A6 #D0AC35 #35D05E

split-complementary

#3559D0 #D05E35 #A6D035

monochromatic

#1A2E70 #2643A2 #3559D0 #6782DC #98ABE7

Accessibility & contrast

On white

6.02

#3559D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3559D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559D0

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559D0	#FFFFFF	#000000	##FFFFFF
##3559D0	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD4

Deuteranopia (green-blind)

#005CCE

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3559d0;
/* rgb */ color: rgb(53, 89, 208);
/* oklch */ color: oklch(51.0% 0.188 266.7);

Tailwind

colors: {
  custom: {
    50: '#8287df',
    500: '#3559d0',
    950: '#000000',
  },
}

SCSS

$custom: #3559d0;
$custom-light: #8287df;
$custom-dark: #000000;

JSON

{
  "hex": "#3559d0",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 208
  },
  "hsl": {
    "h": 226.065,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51013,
    "c": 0.18839,
    "h": 266.7
  },
  "luminance": 0.12456
}

Semantic roles & 50–950 ramp

primary

#3559D0

secondary

#D3C38E

accent

#C042E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3559D0

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

Preview Lab → · Contrast checker → · Palette generator →