#3587D8#3587D8

#3587D8 is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.3% C 0.146 H 251.3°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#3587D8
RGBrgb(53, 135, 216)
HSLhsl(210, 68%, 53%)
HSVhsv(210, 75%, 85%)
CMYKcmyk(75.5%, 37.5%, 0%, 15.3%)
CIE-LABlab(55.11, 2.88, -48.52)
CIE-LCHlch(55.11, 48.61, 273.40°)
OKLaboklab(61.3% -0.0469 -0.1383)
OKLCHoklch(61.3% 0.146 251.3)
XYZxyz(22.5222, 23.0401, 68.2126)
Luminance0.2304 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3587D8 #D88635
analogous
#35D8D8 #3587D8 #3535D8
triadic
#3587D8 #D83587 #87D835
tetradic
#3587D8 #D835D8 #D88635 #35D835
square
#3587D8 #D835D8 #D88635 #35D835
split-complementary
#3587D8 #D83535 #D8D835
monochromatic
#184A7B #2268AE #3587D8 #68A5E2 #9CC4EC

Accessibility & contrast

On white

3.74
#3587D8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.61
#3587D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587D8
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3587D8#FFFFFF#000000##000000
##3587D81.003.745.615.61
#FFFFFF3.741.0021.0021.00
#0000005.6121.001.001.00
##0000005.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#618CDB
Deuteranopia (green-blind)
#487DD6
Tritanopia (blue-blind)
#009AA5
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #3587d8;
/* rgb */ color: rgb(53, 135, 216);
/* oklch */ color: oklch(61.3% 0.146 251.3);
Tailwind
colors: {
  custom: {
    50: '#82a9e4',
    500: '#3587d8',
    950: '#000000',
  },
}
SCSS
$custom: #3587d8;
$custom-light: #82a9e4;
$custom-dark: #000000;
JSON
{
  "hex": "#3587d8",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 216
  },
  "hsl": {
    "h": 209.816,
    "s": 67.635,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61298,
    "c": 0.14603,
    "h": 251.3
  },
  "luminance": 0.23043
}

Semantic roles & 50–950 ramp

primary
#3587D8
secondary
#D8B491
accent
#933DEB
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C0F15
muted
#7D7F84

Preview Lab

Preview with #3587D8

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

Preview Lab → · Contrast checker → · Palette generator →

#3587D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva