#3580C3#3580C3

#3580C3 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.5% C 0.127 H 248.7°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX#3580C3
RGBrgb(53, 128, 195)
HSLhsl(208, 57%, 49%)
HSVhsv(208, 73%, 76%)
CMYKcmyk(72.8%, 34.4%, 0%, 23.5%)
CIE-LABlab(51.99, -0.52, -41.58)
CIE-LCHlch(51.99, 41.58, 269.28°)
OKLaboklab(58.49% -0.0459 -0.1181)
OKLCHoklch(58.49% 0.127 248.7)
XYZxyz(19.0340, 20.1332, 54.5021)
Luminance0.2014 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3580C3 #C37835
analogous
#35C3BF #3580C3 #3539C3
triadic
#3580C3 #C33580 #80C335
tetradic
#3580C3 #BF35C3 #C37835 #39C335
square
#3580C3 #BF35C3 #C37835 #39C335
split-complementary
#3580C3 #C33539 #C3BF35
monochromatic
#1B4163 #286093 #3580C3 #619ED4 #91BBE1

Accessibility & contrast

On white

4.18
#3580C3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.03
#3580C3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3580C3
5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3580C3#FFFFFF#000000##000000
##3580C31.004.185.035.03
#FFFFFF4.181.0021.0021.00
#0000005.0321.001.001.00
##0000005.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6183C6
Deuteranopia (green-blind)
#4D76C2
Tritanopia (blue-blind)
#009098
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #3580c3;
/* rgb */ color: rgb(53, 128, 195);
/* oklch */ color: oklch(58.5% 0.127 248.7);
Tailwind
colors: {
  custom: {
    50: '#7ea4d5',
    500: '#3580c3',
    950: '#000000',
  },
}
SCSS
$custom: #3580c3;
$custom-light: #7ea4d5;
$custom-dark: #000000;
JSON
{
  "hex": "#3580c3",
  "rgb": {
    "r": 53,
    "g": 128,
    "b": 195
  },
  "hsl": {
    "h": 208.31,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5849,
    "c": 0.12672,
    "h": 248.7
  },
  "luminance": 0.20135
}

Semantic roles & 50–950 ramp

primary
#3580C3
secondary
#CCA888
accent
#9047E1
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83

Preview Lab

Preview with #3580C3

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

Preview Lab → · Contrast checker → · Palette generator →

#3580C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva