#3584B4#3584B4

#3584B4 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.6% C 0.106 H 239.1°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#3584B4
RGBrgb(53, 132, 180)
HSLhsl(203, 55%, 46%)
HSVhsv(203, 71%, 71%)
CMYKcmyk(70.6%, 26.7%, 0%, 29.4%)
CIE-LABlab(52.46, -8.18, -32.25)
CIE-LCHlch(52.46, 33.27, 255.77°)
OKLaboklab(58.62% -0.0545 -0.0909)
OKLCHoklch(58.62% 0.106 239.1)
XYZxyz(17.9545, 20.5527, 46.1920)
Luminance0.2056 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3584B4 #B46535
analogous
#35B4A4 #3584B4 #3545B4
triadic
#3584B4 #B43584 #84B435
tetradic
#3584B4 #A435B4 #B46535 #45B435
square
#3584B4 #A435B4 #B46535 #45B435
split-complementary
#3584B4 #B43545 #B4A435
monochromatic
#193F55 #276185 #3584B4 #58A1CE #88BCDC

Accessibility & contrast

On white

4.11
#3584B4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.11
#3584B4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3584B4
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3584B4#FFFFFF#000000##000000
##3584B41.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E84B6
Deuteranopia (green-blind)
#5C78B3
Tritanopia (blue-blind)
#009095
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #3584b4;
/* rgb */ color: rgb(53, 132, 180);
/* oklch */ color: oklch(58.6% 0.106 239.1);
Tailwind
colors: {
  custom: {
    50: '#7ca7ca',
    500: '#3584b4',
    950: '#000000',
  },
}
SCSS
$custom: #3584b4;
$custom-light: #7ca7ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3584b4",
  "rgb": {
    "r": 53,
    "g": 132,
    "b": 180
  },
  "hsl": {
    "h": 202.677,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.58624,
    "c": 0.10597,
    "h": 239.1
  },
  "luminance": 0.20555
}

Semantic roles & 50–950 ramp

primary
#3584B4
secondary
#C69A7F
accent
#824ADE
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3584B4

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

Preview Lab → · Contrast checker → · Palette generator →

#3584B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva