#3559CF#3559CF

#3559CF is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.187 H 266.7°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#3559CF
RGB	rgb(53, 89, 207)
HSL	hsl(226, 62%, 51%)
HSV	hsv(226, 74%, 81%)
CMYK	cmyk(74.4%, 57%, 0%, 18.8%)
CIE-LAB	lab(41.85, 28.42, -64.73)
CIE-LCH	lch(41.85, 70.69, 293.71°)
OKLab	oklab(50.93% -0.0109 -0.1867)
OKLCH	oklch(50.93% 0.187 266.7)
XYZ	xyz(16.2991, 12.4049, 60.5548)
Luminance	0.1241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559CF #CFAB35

analogous

#35A6CF #3559CF #5E35CF

triadic

#3559CF #CF3559 #59CF35

tetradic

#3559CF #CF35A6 #CFAB35 #35CF5E

square

#3559CF #CF35A6 #CFAB35 #35CF5E

split-complementary

#3559CF #CF5E35 #A6CF35

monochromatic

#1A2E6F #2643A1 #3559CF #6682DB #98AAE7

Accessibility & contrast

On white

6.03

#3559CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3559CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559CF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559CF	#FFFFFF	#000000	##FFFFFF
##3559CF	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005CCD

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3559cf;
/* rgb */ color: rgb(53, 89, 207);
/* oklch */ color: oklch(50.9% 0.187 266.7);

Tailwind

colors: {
  custom: {
    50: '#8287df',
    500: '#3559cf',
    950: '#000000',
  },
}

SCSS

$custom: #3559cf;
$custom-light: #8287df;
$custom-dark: #000000;

JSON

{
  "hex": "#3559cf",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 225.974,
    "s": 61.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.50932,
    "c": 0.18707,
    "h": 266.7
  },
  "luminance": 0.12407
}

Semantic roles & 50–950 ramp

primary

#3559CF

secondary

#D2C28E

accent

#BF43E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3559CF

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

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