#3559C3#3559C3

#3559C3 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.171 H 266.1°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#3559C3
RGB	rgb(53, 89, 195)
HSL	hsl(225, 57%, 49%)
HSV	hsv(225, 73%, 76%)
CMYK	cmyk(72.8%, 54.4%, 0%, 23.5%)
CIE-LAB	lab(40.96, 24.00, -59.24)
CIE-LCH	lch(40.96, 63.91, 292.06°)
OKLab	oklab(49.98% -0.0115 -0.1706)
OKLCH	oklch(49.98% 0.171 266.1)
XYZ	xyz(14.8875, 11.8402, 53.1200)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559C3 #C39F35

analogous

#35A0C3 #3559C3 #5835C3

triadic

#3559C3 #C33559 #59C335

tetradic

#3559C3 #C335A0 #C39F35 #35C358

square

#3559C3 #C335A0 #C39F35 #35C358

split-complementary

#3559C3 #C35835 #A0C335

monochromatic

#1B2D63 #284393 #3559C3 #617ED4 #91A5E1

Accessibility & contrast

On white

6.23

#3559C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#3559C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559C3

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559C3	#FFFFFF	#000000	##FFFFFF
##3559C3	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C7

Deuteranopia (green-blind)

#005AC1

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3559c3;
/* rgb */ color: rgb(53, 89, 195);
/* oklch */ color: oklch(50.0% 0.171 266.1);

Tailwind

colors: {
  custom: {
    50: '#7f87d6',
    500: '#3559c3',
    950: '#000000',
  },
}

SCSS

$custom: #3559c3;
$custom-light: #7f87d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3559c3",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 195
  },
  "hsl": {
    "h": 224.789,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49981,
    "c": 0.171,
    "h": 266.1
  },
  "luminance": 0.11842
}

Semantic roles & 50–950 ramp

primary

#3559C3

secondary

#CCBB88

accent

#BA47E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3559C3

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

Preview Lab → · Contrast checker → · Palette generator →