#3587D2#3587D2

#3587D2 is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 60.9% C 0.139 H 249.6°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#3587D2
RGB	rgb(53, 135, 210)
HSL	hsl(209, 64%, 52%)
HSV	hsv(209, 75%, 82%)
CMYK	cmyk(74.8%, 35.7%, 0%, 17.6%)
CIE-LAB	lab(54.80, 0.71, -45.64)
CIE-LCH	lch(54.80, 45.65, 270.89°)
OKLab	oklab(60.95% -0.0484 -0.1299)
OKLCH	oklch(60.95% 0.139 249.6)
XYZ	xyz(21.7606, 22.7355, 64.2018)
Luminance	0.2274 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3587D2 #D28035

analogous

#35D2CE #3587D2 #3539D2

triadic

#3587D2 #D23587 #87D235

tetradic

#3587D2 #CE35D2 #D28035 #39D235

square

#3587D2 #CE35D2 #D28035 #39D235

split-complementary

#3587D2 #D23539 #D2CE35

monochromatic

#1A4873 #2568A5 #3587D2 #67A5DD #99C2E8

Accessibility & contrast

On white

3.79

#3587D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#3587D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587D2

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3587D2	#FFFFFF	#000000	##000000
##3587D2	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648BD5

Deuteranopia (green-blind)

#4D7DD1

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3587d2;
/* rgb */ color: rgb(53, 135, 210);
/* oklch */ color: oklch(60.9% 0.139 249.6);

Tailwind

colors: {
  custom: {
    50: '#81a9e0',
    500: '#3587d2',
    950: '#000000',
  },
}

SCSS

$custom: #3587d2;
$custom-light: #81a9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3587d2",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 210
  },
  "hsl": {
    "h": 208.662,
    "s": 63.563,
    "l": 51.569
  },
  "oklch": {
    "l": 0.60949,
    "c": 0.1386,
    "h": 249.6
  },
  "luminance": 0.22738
}

Semantic roles & 50–950 ramp

primary

#3587D2

secondary

#D4B08F

accent

#9041E7

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3587D2

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

Preview Lab → · Contrast checker → · Palette generator →