#3559C7#3559C7

#3559C7 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.3% C 0.176 H 266.3°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#3559C7
RGB	rgb(53, 89, 199)
HSL	hsl(225, 58%, 49%)
HSV	hsv(225, 73%, 78%)
CMYK	cmyk(73.4%, 55.3%, 0%, 22%)
CIE-LAB	lab(41.25, 25.48, -61.08)
CIE-LCH	lch(41.25, 66.18, 292.64°)
OKLab	oklab(50.29% -0.0113 -0.176)
OKLCH	oklch(50.29% 0.176 266.3)
XYZ	xyz(15.3458, 12.0235, 55.5338)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559C7 #C7A335

analogous

#35A2C7 #3559C7 #5A35C7

triadic

#3559C7 #C73559 #59C735

tetradic

#3559C7 #C735A2 #C7A335 #35C75A

square

#3559C7 #C735A2 #C7A335 #35C75A

split-complementary

#3559C7 #C75A35 #A2C735

monochromatic

#1B2E66 #284397 #3559C7 #6480D6 #94A7E2

Accessibility & contrast

On white

6.17

#3559C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#3559C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559C7

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559C7	#FFFFFF	#000000	##FFFFFF
##3559C7	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CB

Deuteranopia (green-blind)

#005BC5

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3559c7;
/* rgb */ color: rgb(53, 89, 199);
/* oklch */ color: oklch(50.3% 0.176 266.3);

Tailwind

colors: {
  custom: {
    50: '#8087d9',
    500: '#3559c7',
    950: '#000000',
  },
}

SCSS

$custom: #3559c7;
$custom-light: #8087d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3559c7",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 199
  },
  "hsl": {
    "h": 225.205,
    "s": 57.937,
    "l": 49.412
  },
  "oklch": {
    "l": 0.50293,
    "c": 0.17639,
    "h": 266.3
  },
  "luminance": 0.12025
}

Semantic roles & 50–950 ramp

primary

#3559C7

secondary

#CEBD8A

accent

#BB47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3559C7

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

Preview Lab → · Contrast checker → · Palette generator →