#3584B1#3584B1

#3584B1 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.5% C 0.103 H 237.3°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#3584B1
RGBrgb(53, 132, 177)
HSLhsl(202, 54%, 45%)
HSVhsv(202, 70%, 69%)
CMYKcmyk(70.1%, 25.4%, 0%, 30.6%)
CIE-LABlab(52.32, -9.22, -30.74)
CIE-LCHlch(52.32, 32.09, 253.30°)
OKLaboklab(58.47% -0.0555 -0.0865)
OKLCHoklch(58.47% 0.103 237.3)
XYZxyz(17.6522, 20.4318, 44.5999)
Luminance0.2043 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3584B1 #B16235
analogous
#35B1A0 #3584B1 #3546B1
triadic
#3584B1 #B13584 #84B135
tetradic
#3584B1 #A035B1 #B16235 #46B135
square
#3584B1 #A035B1 #B16235 #46B135
split-complementary
#3584B1 #B13546 #B1A035
monochromatic
#193E53 #276182 #3584B1 #57A2CD #86BCDB

Accessibility & contrast

On white

4.13
#3584B1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.09
#3584B1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3584B1
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3584B1#FFFFFF#000000##000000
##3584B11.004.135.095.09
#FFFFFF4.131.0021.0021.00
#0000005.0921.001.001.00
##0000005.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F84B3
Deuteranopia (green-blind)
#5E77B0
Tritanopia (blue-blind)
#009093
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #3584b1;
/* rgb */ color: rgb(53, 132, 177);
/* oklch */ color: oklch(58.5% 0.103 237.3);
Tailwind
colors: {
  custom: {
    50: '#7ba7c8',
    500: '#3584b1',
    950: '#000000',
  },
}
SCSS
$custom: #3584b1;
$custom-light: #7ba7c8;
$custom-dark: #000000;
JSON
{
  "hex": "#3584b1",
  "rgb": {
    "r": 53,
    "g": 132,
    "b": 177
  },
  "hsl": {
    "h": 201.774,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.58473,
    "c": 0.10279,
    "h": 237.3
  },
  "luminance": 0.20434
}

Semantic roles & 50–950 ramp

primary
#3584B1
secondary
#C4977D
accent
#804BDD
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3584B1

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

Preview Lab → · Contrast checker → · Palette generator →

#3584B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva