#4090D0#4090D0

#4090D0 is a light, vivid cyan. Relative luminance 0.256; OKLCH L 63.2% C 0.124 H 245.8°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX#4090D0
RGBrgb(64, 144, 208)
HSLhsl(207, 61%, 53%)
HSVhsv(207, 69%, 82%)
CMYKcmyk(69.2%, 30.8%, 0%, 18.4%)
CIE-LABlab(57.64, -3.75, -40.01)
CIE-LCHlch(57.64, 40.18, 264.64°)
OKLaboklab(63.25% -0.0509 -0.1132)
OKLCHoklch(63.25% 0.124 245.8)
XYZxyz(23.4685, 25.5880, 63.3644)
Luminance0.2559 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4090D0 #D08040
analogous
#40D0C8 #4090D0 #4048D0
triadic
#4090D0 #D04090 #90D040
tetradic
#4090D0 #C840D0 #D08040 #48D040
square
#4090D0 #C840D0 #D08040 #48D040
split-complementary
#4090D0 #D04048 #D0C840
monochromatic
#1E5078 #2A70A9 #4090D0 #71ADDC #A2C9E8

Accessibility & contrast

On white

3.43
#4090D0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.12
#4090D0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090D0
6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4090D0#FFFFFF#000000##000000
##4090D01.003.436.126.12
#FFFFFF3.431.0021.0021.00
#0000006.1221.001.001.00
##0000006.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7392D3
Deuteranopia (green-blind)
#5F84CF
Tritanopia (blue-blind)
#009FA7
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #4090d0;
/* rgb */ color: rgb(64, 144, 208);
/* oklch */ color: oklch(63.2% 0.124 245.8);
Tailwind
colors: {
  custom: {
    50: '#85b0de',
    500: '#4090d0',
    950: '#000000',
  },
}
SCSS
$custom: #4090d0;
$custom-light: #85b0de;
$custom-dark: #000000;
JSON
{
  "hex": "#4090d0",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 208
  },
  "hsl": {
    "h": 206.667,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.63249,
    "c": 0.12412,
    "h": 245.8
  },
  "luminance": 0.25591
}

Semantic roles & 50–950 ramp

primary
#4090D0
secondary
#D5B297
accent
#8B44E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4090D0

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

Preview Lab → · Contrast checker → · Palette generator →

#4090D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva