#3580A4#3580A4

#3580A4 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.9% C 0.092 H 232.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#3580A4
RGBrgb(53, 128, 164)
HSLhsl(199, 51%, 43%)
HSVhsv(199, 68%, 64%)
CMYKcmyk(67.7%, 22%, 0%, 35.7%)
CIE-LABlab(50.54, -11.39, -25.99)
CIE-LCHlch(50.54, 28.38, 246.34°)
OKLaboklab(56.87% -0.0559 -0.0729)
OKLCHoklch(56.87% 0.092 232.5)
XYZxyz(15.8856, 18.8739, 37.9206)
Luminance0.1888 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3580A4 #A45935
analogous
#35A490 #3580A4 #3549A4
triadic
#3580A4 #A43580 #80A435
tetradic
#3580A4 #9035A4 #A45935 #49A435
square
#3580A4 #9035A4 #A45935 #49A435
split-complementary
#3580A4 #A43549 #A49035
monochromatic
#173847 #265C76 #3580A4 #50A0C6 #7EB9D5

Accessibility & contrast

On white

4.40
#3580A4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.78
#3580A4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3580A4
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3580A4#FFFFFF#000000##000000
##3580A41.004.404.784.78
#FFFFFF4.401.0021.0021.00
#0000004.7821.001.001.00
##0000004.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E7FA6
Deuteranopia (green-blind)
#5F73A3
Tritanopia (blue-blind)
#008A8C
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3580a4;
/* rgb */ color: rgb(53, 128, 164);
/* oklch */ color: oklch(56.9% 0.092 232.5);
Tailwind
colors: {
  custom: {
    50: '#79a4bf',
    500: '#3580a4',
    950: '#000000',
  },
}
SCSS
$custom: #3580a4;
$custom-light: #79a4bf;
$custom-dark: #000000;
JSON
{
  "hex": "#3580a4",
  "rgb": {
    "r": 53,
    "g": 128,
    "b": 164
  },
  "hsl": {
    "h": 199.459,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56869,
    "c": 0.09186,
    "h": 232.5
  },
  "luminance": 0.18876
}

Semantic roles & 50–950 ramp

primary
#3580A4
secondary
#BE8E76
accent
#7B4DDB
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #3580A4

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

Preview Lab → · Contrast checker → · Palette generator →

#3580A4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva