#3559AC#3559AC

#3559AC is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.139 H 264.2°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3559AC
RGB	rgb(53, 89, 172)
HSL	hsl(222, 53%, 44%)
HSV	hsv(222, 69%, 67%)
CMYK	cmyk(69.2%, 48.3%, 0%, 32.5%)
CIE-LAB	lab(39.38, 15.47, -48.32)
CIE-LCH	lch(39.38, 50.73, 287.76°)
OKLab	oklab(48.27% -0.014 -0.1385)
OKLCH	oklch(48.27% 0.139 264.2)
XYZ	xyz(12.4844, 10.8789, 40.4636)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559AC #AC8835

analogous

#3595AC #3559AC #4D35AC

triadic

#3559AC #AC3559 #59AC35

tetradic

#3559AC #AC3595 #AC8835 #35AC4D

square

#3559AC #AC3595 #AC8835 #35AC4D

split-complementary

#3559AC #AC4D35 #95AC35

monochromatic

#18294E #27417D #3559AC #5478CA #839DD9

Accessibility & contrast

On white

6.61

#3559AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3559AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559AC

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559AC	#FFFFFF	#000000	##FFFFFF
##3559AC	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D63AF

Deuteranopia (green-blind)

#1058AA

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3559ac;
/* rgb */ color: rgb(53, 89, 172);
/* oklch */ color: oklch(48.3% 0.139 264.2);

Tailwind

colors: {
  custom: {
    50: '#7a87c5',
    500: '#3559ac',
    950: '#000000',
  },
}

SCSS

$custom: #3559ac;
$custom-light: #7a87c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3559ac",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 172
  },
  "hsl": {
    "h": 221.849,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48272,
    "c": 0.13918,
    "h": 264.2
  },
  "luminance": 0.1088
}

Semantic roles & 50–950 ramp

primary

#3559AC

secondary

#C2AD7B

accent

#B04CDC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3559AC

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

Preview Lab → · Contrast checker → · Palette generator →