#3584B5#3584B5

#3584B5 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.7% C 0.107 H 239.6°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX#3584B5
RGBrgb(53, 132, 181)
HSLhsl(203, 55%, 46%)
HSVhsv(203, 71%, 71%)
CMYKcmyk(70.7%, 27.1%, 0%, 29%)
CIE-LABlab(52.50, -7.83, -32.75)
CIE-LCHlch(52.50, 33.68, 256.55°)
OKLaboklab(58.68% -0.0541 -0.0924)
OKLCHoklch(58.68% 0.107 239.6)
XYZxyz(18.0567, 20.5936, 46.7304)
Luminance0.2060 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3584B5 #B56635
analogous
#35B5A6 #3584B5 #3544B5
triadic
#3584B5 #B53584 #84B535
tetradic
#3584B5 #A635B5 #B56635 #44B535
square
#3584B5 #A635B5 #B56635 #44B535
split-complementary
#3584B5 #B53544 #B5A635
monochromatic
#193F56 #276186 #3584B5 #59A1CE #88BCDC

Accessibility & contrast

On white

4.10
#3584B5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.12
#3584B5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3584B5
5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3584B5#FFFFFF#000000##000000
##3584B51.004.105.125.12
#FFFFFF4.101.0021.0021.00
#0000005.1221.001.001.00
##0000005.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D84B7
Deuteranopia (green-blind)
#5C78B4
Tritanopia (blue-blind)
#009095
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #3584b5;
/* rgb */ color: rgb(53, 132, 181);
/* oklch */ color: oklch(58.7% 0.107 239.6);
Tailwind
colors: {
  custom: {
    50: '#7ca7cb',
    500: '#3584b5',
    950: '#000000',
  },
}
SCSS
$custom: #3584b5;
$custom-light: #7ca7cb;
$custom-dark: #000000;
JSON
{
  "hex": "#3584b5",
  "rgb": {
    "r": 53,
    "g": 132,
    "b": 181
  },
  "hsl": {
    "h": 202.969,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.58675,
    "c": 0.10706,
    "h": 239.6
  },
  "luminance": 0.20596
}

Semantic roles & 50–950 ramp

primary
#3584B5
secondary
#C69B80
accent
#834ADE
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3584B5

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

Preview Lab → · Contrast checker → · Palette generator →

#3584B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva