#3583B4#3583B4

#3583B4 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.4% C 0.107 H 239.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#3583B4
RGBrgb(53, 131, 180)
HSLhsl(203, 55%, 46%)
HSVhsv(203, 71%, 71%)
CMYKcmyk(70.6%, 27.2%, 0%, 29.4%)
CIE-LABlab(52.16, -7.60, -32.72)
CIE-LCHlch(52.16, 33.59, 256.92°)
OKLaboklab(58.39% -0.0534 -0.0923)
OKLCHoklch(58.39% 0.107 239.9)
XYZxyz(17.8195, 20.2828, 46.1470)
Luminance0.2029 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3583B4 #B46635
analogous
#35B4A5 #3583B4 #3543B4
triadic
#3583B4 #B43583 #83B435
tetradic
#3583B4 #A535B4 #B46635 #43B435
square
#3583B4 #A535B4 #B46635 #43B435
split-complementary
#3583B4 #B43543 #B4A535
monochromatic
#193E55 #276185 #3583B4 #58A1CE #88BBDC

Accessibility & contrast

On white

4.15
#3583B4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.06
#3583B4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583B4
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3583B4#FFFFFF#000000##000000
##3583B41.004.155.065.06
#FFFFFF4.151.0021.0021.00
#0000005.0621.001.001.00
##0000005.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C83B6
Deuteranopia (green-blind)
#5B77B3
Tritanopia (blue-blind)
#008F94
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #3583b4;
/* rgb */ color: rgb(53, 131, 180);
/* oklch */ color: oklch(58.4% 0.107 239.9);
Tailwind
colors: {
  custom: {
    50: '#7ca6ca',
    500: '#3583b4',
    950: '#000000',
  },
}
SCSS
$custom: #3583b4;
$custom-light: #7ca6ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3583b4",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 180
  },
  "hsl": {
    "h": 203.15,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.58385,
    "c": 0.10664,
    "h": 239.9
  },
  "luminance": 0.20285
}

Semantic roles & 50–950 ramp

primary
#3583B4
secondary
#C69A7F
accent
#834ADE
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3583B4

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

Preview Lab → · Contrast checker → · Palette generator →

#3583B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva