#427BAC#427BAC

#427BAC is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.6% C 0.097 H 246.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX#427BAC
RGBrgb(66, 123, 172)
HSLhsl(208, 45%, 47%)
HSVhsv(208, 62%, 67%)
CMYKcmyk(61.6%, 28.5%, 0%, 32.5%)
CIE-LABlab(49.86, -3.42, -31.66)
CIE-LCHlch(49.86, 31.84, 263.83°)
OKLaboklab(56.58% -0.0387 -0.0891)
OKLCHoklch(56.58% 0.097 246.5)
XYZxyz(16.7734, 18.3011, 41.6703)
Luminance0.1830 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427BAC #AC7342
analogous
#42ACA8 #427BAC #4246AC
triadic
#427BAC #AC427B #7BAC42
tetradic
#427BAC #A842AC #AC7342 #46AC42
square
#427BAC #A842AC #AC7342 #46AC42
split-complementary
#427BAC #AC4246 #ACA842
monochromatic
#203C54 #315B80 #427BAC #6799C5 #93B7D6

Accessibility & contrast

On white

4.51
#427BAC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.66
#427BAC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427BAC
4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427BAC#FFFFFF#000000##000000
##427BAC1.004.514.664.66
#FFFFFF4.511.0021.0021.00
#0000004.6621.001.001.00
##0000004.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#667CAE
Deuteranopia (green-blind)
#5772AB
Tritanopia (blue-blind)
#00878C
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #427bac;
/* rgb */ color: rgb(66, 123, 172);
/* oklch */ color: oklch(56.6% 0.097 246.5);
Tailwind
colors: {
  custom: {
    50: '#80a1c5',
    500: '#427bac',
    950: '#000000',
  },
}
SCSS
$custom: #427bac;
$custom-light: #80a1c5;
$custom-dark: #000000;
JSON
{
  "hex": "#427bac",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 172
  },
  "hsl": {
    "h": 207.736,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5658,
    "c": 0.09716,
    "h": 246.5
  },
  "luminance": 0.18303
}

Semantic roles & 50–950 ramp

primary
#427BAC
secondary
#C1A389
accent
#8F54D4
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #427BAC

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

Preview Lab → · Contrast checker → · Palette generator →

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