#3559CE#3559CE

#3559CE is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.186 H 266.6°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3559CE
RGB	rgb(53, 89, 206)
HSL	hsl(226, 61%, 51%)
HSV	hsv(226, 74%, 81%)
CMYK	cmyk(74.3%, 56.8%, 0%, 19.2%)
CIE-LAB	lab(41.78, 28.06, -64.27)
CIE-LCH	lch(41.78, 70.13, 293.58°)
OKLab	oklab(50.85% -0.0109 -0.1854)
OKLCH	oklch(50.85% 0.186 266.6)
XYZ	xyz(16.1773, 12.3561, 59.9129)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559CE #CEAA35

analogous

#35A6CE #3559CE #5D35CE

triadic

#3559CE #CE3559 #59CE35

tetradic

#3559CE #CE35A6 #CEAA35 #35CE5D

square

#3559CE #CE35A6 #CEAA35 #35CE5D

split-complementary

#3559CE #CE5D35 #A6CE35

monochromatic

#1B2E6E #27439F #3559CE #6681DA #98AAE6

Accessibility & contrast

On white

6.05

#3559CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3559CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559CE

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559CE	#FFFFFF	#000000	##FFFFFF
##3559CE	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD2

Deuteranopia (green-blind)

#005CCC

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3559ce;
/* rgb */ color: rgb(53, 89, 206);
/* oklch */ color: oklch(50.9% 0.186 266.6);

Tailwind

colors: {
  custom: {
    50: '#8187de',
    500: '#3559ce',
    950: '#000000',
  },
}

SCSS

$custom: #3559ce;
$custom-light: #8187de;
$custom-dark: #000000;

JSON

{
  "hex": "#3559ce",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 206
  },
  "hsl": {
    "h": 225.882,
    "s": 60.956,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50851,
    "c": 0.18574,
    "h": 266.6
  },
  "luminance": 0.12358
}

Semantic roles & 50–950 ramp

primary

#3559CE

secondary

#D1C18D

accent

#BE44E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3559CE

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

Preview Lab → · Contrast checker → · Palette generator →