#3588D8#3588D8

#3588D8 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.5% C 0.145 H 250.8°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#3588D8
RGBrgb(53, 136, 216)
HSLhsl(209, 68%, 53%)
HSVhsv(209, 75%, 85%)
CMYKcmyk(75.5%, 37%, 0%, 15.3%)
CIE-LABlab(55.40, 2.28, -48.07)
CIE-LCHlch(55.40, 48.12, 272.72°)
OKLaboklab(61.52% -0.0477 -0.137)
OKLCHoklch(61.52% 0.145 250.8)
XYZxyz(22.6623, 23.3204, 68.2593)
Luminance0.2332 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3588D8 #D88535
analogous
#35D8D7 #3588D8 #3536D8
triadic
#3588D8 #D83588 #88D835
tetradic
#3588D8 #D735D8 #D88535 #36D835
square
#3588D8 #D735D8 #D88535 #36D835
split-complementary
#3588D8 #D83536 #D8D735
monochromatic
#184A7B #2269AE #3588D8 #68A6E2 #9CC4EC

Accessibility & contrast

On white

3.71
#3588D8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.66
#3588D8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3588D8
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3588D8#FFFFFF#000000##000000
##3588D81.003.715.665.66
#FFFFFF3.711.0021.0021.00
#0000005.6621.001.001.00
##0000005.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#638DDB
Deuteranopia (green-blind)
#4A7ED6
Tritanopia (blue-blind)
#009BA6
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #3588d8;
/* rgb */ color: rgb(53, 136, 216);
/* oklch */ color: oklch(61.5% 0.145 250.8);
Tailwind
colors: {
  custom: {
    50: '#82aae4',
    500: '#3588d8',
    950: '#000000',
  },
}
SCSS
$custom: #3588d8;
$custom-light: #82aae4;
$custom-dark: #000000;
JSON
{
  "hex": "#3588d8",
  "rgb": {
    "r": 53,
    "g": 136,
    "b": 216
  },
  "hsl": {
    "h": 209.448,
    "s": 67.635,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61523,
    "c": 0.14504,
    "h": 250.8
  },
  "luminance": 0.23323
}

Semantic roles & 50–950 ramp

primary
#3588D8
secondary
#D8B491
accent
#923DEB
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C0F15
muted
#7D7F84

Preview Lab

Preview with #3588D8

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

Preview Lab → · Contrast checker → · Palette generator →

#3588D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva