#4090CE#4090CE

#4090CE is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.1% C 0.122 H 245.0°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX#4090CE
RGBrgb(64, 144, 206)
HSLhsl(206, 59%, 53%)
HSVhsv(206, 69%, 81%)
CMYKcmyk(68.9%, 30.1%, 0%, 19.2%)
CIE-LABlab(57.55, -4.44, -39.03)
CIE-LCHlch(57.55, 39.28, 263.51°)
OKLaboklab(63.14% -0.0515 -0.1103)
OKLCHoklch(63.14% 0.122 245)
XYZxyz(23.2240, 25.4902, 62.0767)
Luminance0.2549 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4090CE #CE7E40
analogous
#40CEC5 #4090CE #4049CE
triadic
#4090CE #CE4090 #90CE40
tetradic
#4090CE #C540CE #CE7E40 #49CE40
square
#4090CE #C540CE #CE7E40 #49CE40
split-complementary
#4090CE #CE4049 #CEC540
monochromatic
#1E4F75 #2B70A6 #4090CE #71ACDA #A1C9E7

Accessibility & contrast

On white

3.44
#4090CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.10
#4090CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090CE
6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4090CE#FFFFFF#000000##000000
##4090CE1.003.446.106.10
#FFFFFF3.441.0021.0021.00
#0000006.1021.001.001.00
##0000006.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7492D1
Deuteranopia (green-blind)
#6084CD
Tritanopia (blue-blind)
#009FA6
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #4090ce;
/* rgb */ color: rgb(64, 144, 206);
/* oklch */ color: oklch(63.1% 0.122 245.0);
Tailwind
colors: {
  custom: {
    50: '#85b0dd',
    500: '#4090ce',
    950: '#000000',
  },
}
SCSS
$custom: #4090ce;
$custom-light: #85b0dd;
$custom-dark: #000000;
JSON
{
  "hex": "#4090ce",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 206
  },
  "hsl": {
    "h": 206.197,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.63144,
    "c": 0.12179,
    "h": 245
  },
  "luminance": 0.25493
}

Semantic roles & 50–950 ramp

primary
#4090CE
secondary
#D4B196
accent
#8A45E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4090CE

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

Preview Lab → · Contrast checker → · Palette generator →

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