#3559C8#3559C8

#3559C8 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.4% C 0.178 H 266.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#3559C8
RGB	rgb(53, 89, 200)
HSL	hsl(225, 58%, 50%)
HSV	hsv(225, 74%, 78%)
CMYK	cmyk(73.5%, 55.5%, 0%, 21.6%)
CIE-LAB	lab(41.33, 25.85, -61.54)
CIE-LCH	lch(41.33, 66.75, 292.78°)
OKLab	oklab(50.37% -0.0112 -0.1774)
OKLCH	oklch(50.37% 0.178 266.4)
XYZ	xyz(15.4623, 12.0701, 56.1473)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559C8 #C8A435

analogous

#35A3C8 #3559C8 #5A35C8

triadic

#3559C8 #C83559 #59C835

tetradic

#3559C8 #C835A3 #C8A435 #35C85A

square

#3559C8 #C835A3 #C8A435 #35C85A

split-complementary

#3559C8 #C85A35 #A3C835

monochromatic

#1B2E67 #284398 #3559C8 #6480D6 #95A8E3

Accessibility & contrast

On white

6.15

#3559C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#3559C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559C8

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559C8	#FFFFFF	#000000	##FFFFFF
##3559C8	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005BC6

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3559c8;
/* rgb */ color: rgb(53, 89, 200);
/* oklch */ color: oklch(50.4% 0.178 266.4);

Tailwind

colors: {
  custom: {
    50: '#8087d9',
    500: '#3559c8',
    950: '#000000',
  },
}

SCSS

$custom: #3559c8;
$custom-light: #8087d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3559c8",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 200
  },
  "hsl": {
    "h": 225.306,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50372,
    "c": 0.17773,
    "h": 266.4
  },
  "luminance": 0.12072
}

Semantic roles & 50–950 ramp

primary

#3559C8

secondary

#CEBE8B

accent

#BB46E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3559C8

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

Preview Lab → · Contrast checker → · Palette generator →