#3580A7#3580A7

#3580A7 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.0% C 0.095 H 234.6°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#3580A7
RGBrgb(53, 128, 167)
HSLhsl(201, 52%, 43%)
HSVhsv(201, 68%, 65%)
CMYKcmyk(68.3%, 23.4%, 0%, 34.5%)
CIE-LABlab(50.67, -10.37, -27.53)
CIE-LCHlch(50.67, 29.42, 249.36°)
OKLaboklab(57.01% -0.0548 -0.0773)
OKLCHoklch(57.01% 0.095 234.6)
XYZxyz(16.1597, 18.9835, 39.3643)
Luminance0.1898 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3580A7 #A75C35
analogous
#35A795 #3580A7 #3547A7
triadic
#3580A7 #A73580 #80A735
tetradic
#3580A7 #9535A7 #A75C35 #47A735
square
#3580A7 #9535A7 #A75C35 #47A735
split-complementary
#3580A7 #A73547 #A79535
monochromatic
#18394A #265C79 #3580A7 #519FC8 #80B9D7

Accessibility & contrast

On white

4.38
#3580A7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.80
#3580A7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3580A7
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3580A7#FFFFFF#000000##000000
##3580A71.004.384.804.80
#FFFFFF4.381.0021.0021.00
#0000004.8021.001.001.00
##0000004.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D7FA9
Deuteranopia (green-blind)
#5E74A6
Tritanopia (blue-blind)
#008A8D
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #3580a7;
/* rgb */ color: rgb(53, 128, 167);
/* oklch */ color: oklch(57.0% 0.095 234.6);
Tailwind
colors: {
  custom: {
    50: '#7aa4c1',
    500: '#3580a7',
    950: '#000000',
  },
}
SCSS
$custom: #3580a7;
$custom-light: #7aa4c1;
$custom-dark: #000000;
JSON
{
  "hex": "#3580a7",
  "rgb": {
    "r": 53,
    "g": 128,
    "b": 167
  },
  "hsl": {
    "h": 200.526,
    "s": 51.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.57014,
    "c": 0.09479,
    "h": 234.6
  },
  "luminance": 0.18985
}

Semantic roles & 50–950 ramp

primary
#3580A7
secondary
#C09178
accent
#7D4DDB
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #3580A7

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

Preview Lab → · Contrast checker → · Palette generator →

#3580A7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva