#4087D0#4087D0

#4087D0 is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.2% C 0.132 H 251.4°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX#4087D0
RGBrgb(64, 135, 208)
HSLhsl(210, 61%, 53%)
HSVhsv(210, 69%, 82%)
CMYKcmyk(69.2%, 35.1%, 0%, 18.4%)
CIE-LABlab(55.04, 1.52, -44.11)
CIE-LCHlch(55.04, 44.14, 271.98°)
OKLaboklab(61.2% -0.0421 -0.1253)
OKLCHoklch(61.2% 0.132 251.4)
XYZxyz(22.1593, 22.9696, 62.9280)
Luminance0.2297 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4087D0 #D08940
analogous
#40CFD0 #4087D0 #4140D0
triadic
#4087D0 #D04087 #87D040
tetradic
#4087D0 #D040CF #D08940 #40D041
square
#4087D0 #D040CF #D08940 #40D041
split-complementary
#4087D0 #D04140 #CFD040
monochromatic
#1E4A78 #2A69A9 #4087D0 #71A6DC #A2C5E8

Accessibility & contrast

On white

3.75
#4087D0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.59
#4087D0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087D0
5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4087D0#FFFFFF#000000##000000
##4087D01.003.755.595.59
#FFFFFF3.751.0021.0021.00
#0000005.5921.001.001.00
##0000005.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#668BD3
Deuteranopia (green-blind)
#527ECF
Tritanopia (blue-blind)
#0098A2
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #4087d0;
/* rgb */ color: rgb(64, 135, 208);
/* oklch */ color: oklch(61.2% 0.132 251.4);
Tailwind
colors: {
  custom: {
    50: '#85a9df',
    500: '#4087d0',
    950: '#000000',
  },
}
SCSS
$custom: #4087d0;
$custom-light: #85a9df;
$custom-dark: #000000;
JSON
{
  "hex": "#4087d0",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 208
  },
  "hsl": {
    "h": 210.417,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.61203,
    "c": 0.13217,
    "h": 251.4
  },
  "luminance": 0.22972
}

Semantic roles & 50–950 ramp

primary
#4087D0
secondary
#D5B697
accent
#9544E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4087D0

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

Preview Lab → · Contrast checker → · Palette generator →

#4087D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva