#3559AD#3559AD

#3559AD is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.141 H 264.3°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#3559AD
RGB	rgb(53, 89, 173)
HSL	hsl(222, 53%, 44%)
HSV	hsv(222, 69%, 68%)
CMYK	cmyk(69.4%, 48.6%, 0%, 32.2%)
CIE-LAB	lab(39.44, 15.85, -48.80)
CIE-LCH	lch(39.44, 51.31, 287.99°)
OKLab	oklab(48.34% -0.0139 -0.1399)
OKLCH	oklch(48.34% 0.141 264.3)
XYZ	xyz(12.5808, 10.9175, 40.9713)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559AD #AD8935

analogous

#3595AD #3559AD #4D35AD

triadic

#3559AD #AD3559 #59AD35

tetradic

#3559AD #AD3595 #AD8935 #35AD4D

square

#3559AD #AD3595 #AD8935 #35AD4D

split-complementary

#3559AD #AD4D35 #95AD35

monochromatic

#18294F #27417E #3559AD #5478CB #839DD9

Accessibility & contrast

On white

6.60

#3559AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3559AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559AD

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559AD	#FFFFFF	#000000	##FFFFFF
##3559AD	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C63B0

Deuteranopia (green-blind)

#0C58AB

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3559ad;
/* rgb */ color: rgb(53, 89, 173);
/* oklch */ color: oklch(48.3% 0.141 264.3);

Tailwind

colors: {
  custom: {
    50: '#7a87c6',
    500: '#3559ad',
    950: '#000000',
  },
}

SCSS

$custom: #3559ad;
$custom-light: #7a87c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3559ad",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 173
  },
  "hsl": {
    "h": 222,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48342,
    "c": 0.14059,
    "h": 264.3
  },
  "luminance": 0.10919
}

Semantic roles & 50–950 ramp

primary

#3559AD

secondary

#C3AD7B

accent

#B14BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3559AD

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

Preview Lab → · Contrast checker → · Palette generator →