#427DCE#427DCE

#427DCE is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.9% C 0.139 H 256.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#427DCE
RGBrgb(66, 125, 206)
HSLhsl(215, 59%, 53%)
HSVhsv(215, 68%, 81%)
CMYKcmyk(68%, 39.3%, 0%, 19.2%)
CIE-LABlab(52.15, 7.15, -47.55)
CIE-LCHlch(52.15, 48.09, 278.55°)
OKLaboklab(58.93% -0.0316 -0.1355)
OKLCHoklch(58.93% 0.139 256.9)
XYZxyz(20.7169, 20.2796, 61.2031)
Luminance0.2028 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427DCE #CE9342
analogous
#42C3CE #427DCE #4D42CE
triadic
#427DCE #CE427D #7DCE42
tetradic
#427DCE #CE42C3 #CE9342 #42CE4D
square
#427DCE #CE42C3 #CE9342 #42CE4D
split-complementary
#427DCE #CE4D42 #C3CE42
monochromatic
#1F4477 #2B60A7 #427DCE #739EDB #A3C0E7

Accessibility & contrast

On white

4.15
#427DCE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.06
#427DCE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DCE
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427DCE#FFFFFF#000000##000000
##427DCE1.004.155.065.06
#FFFFFF4.151.0021.0021.00
#0000005.0621.001.001.00
##0000005.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5883D1
Deuteranopia (green-blind)
#4376CC
Tritanopia (blue-blind)
#00909B
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #427dce;
/* rgb */ color: rgb(66, 125, 206);
/* oklch */ color: oklch(58.9% 0.139 256.9);
Tailwind
colors: {
  custom: {
    50: '#85a2dd',
    500: '#427dce',
    950: '#000000',
  },
}
SCSS
$custom: #427dce;
$custom-light: #85a2dd;
$custom-dark: #000000;
JSON
{
  "hex": "#427dce",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 206
  },
  "hsl": {
    "h": 214.714,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58934,
    "c": 0.13909,
    "h": 256.9
  },
  "luminance": 0.20282
}

Semantic roles & 50–950 ramp

primary
#427DCE
secondary
#D4BB98
accent
#A046E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83

Preview Lab

Preview with #427DCE

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

Preview Lab → · Contrast checker → · Palette generator →

#427DCE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva