#427BCA#427BCA

#427BCA is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.3% C 0.136 H 257.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#427BCA
RGBrgb(66, 123, 202)
HSLhsl(215, 56%, 53%)
HSVhsv(215, 67%, 79%)
CMYKcmyk(67.3%, 39.1%, 0%, 20.8%)
CIE-LABlab(51.37, 6.96, -46.53)
CIE-LCHlch(51.37, 47.04, 278.50°)
OKLaboklab(58.25% -0.0305 -0.1325)
OKLCHoklch(58.25% 0.136 257)
XYZxyz(19.9865, 19.5864, 58.5929)
Luminance0.1959 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427BCA #CA9142
analogous
#42BFCA #427BCA #4D42CA
triadic
#427BCA #CA427B #7BCA42
tetradic
#427BCA #CA42BF #CA9142 #42CA4D
square
#427BCA #CA42BF #CA9142 #42CA4D
split-complementary
#427BCA #CA4D42 #BFCA42
monochromatic
#204272 #2D5EA2 #427BCA #729CD7 #A2BEE5

Accessibility & contrast

On white

4.27
#427BCA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.92
#427BCA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427BCA
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427BCA#FFFFFF#000000##000000
##427BCA1.004.274.924.92
#FFFFFF4.271.0021.0021.00
#0000004.9221.001.001.00
##0000004.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#5781CD
Deuteranopia (green-blind)
#4375C8
Tritanopia (blue-blind)
#008D99
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #427bca;
/* rgb */ color: rgb(66, 123, 202);
/* oklch */ color: oklch(58.3% 0.136 257.0);
Tailwind
colors: {
  custom: {
    50: '#85a0da',
    500: '#427bca',
    950: '#000000',
  },
}
SCSS
$custom: #427bca;
$custom-light: #85a0da;
$custom-dark: #000000;
JSON
{
  "hex": "#427bca",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 202
  },
  "hsl": {
    "h": 214.853,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.58252,
    "c": 0.13595,
    "h": 257
  },
  "luminance": 0.19588
}

Semantic roles & 50–950 ramp

primary
#427BCA
secondary
#D1B996
accent
#A048DF
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #427BCA

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

Preview Lab → · Contrast checker → · Palette generator →

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