#427AAC#427AAC

#427AAC is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.098 H 247.4°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#427AAC
RGBrgb(66, 122, 172)
HSLhsl(208, 45%, 47%)
HSVhsv(208, 62%, 67%)
CMYKcmyk(61.6%, 29.1%, 0%, 32.5%)
CIE-LABlab(49.56, -2.83, -32.12)
CIE-LCHlch(49.56, 32.24, 264.97°)
OKLaboklab(56.35% -0.0376 -0.0905)
OKLCHoklch(56.35% 0.098 247.4)
XYZxyz(16.6500, 18.0543, 41.6291)
Luminance0.1806 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427AAC #AC7442
analogous
#42ACA9 #427AAC #4245AC
triadic
#427AAC #AC427A #7AAC42
tetradic
#427AAC #A942AC #AC7442 #45AC42
square
#427AAC #A942AC #AC7442 #45AC42
split-complementary
#427AAC #AC4245 #ACA942
monochromatic
#203B54 #315B80 #427AAC #6798C5 #93B6D6

Accessibility & contrast

On white

4.55
#427AAC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.61
#427AAC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427AAC
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427AAC#FFFFFF#000000##000000
##427AAC1.004.554.614.61
#FFFFFF4.551.0021.0021.00
#0000004.6121.001.001.00
##0000004.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#647CAE
Deuteranopia (green-blind)
#5671AB
Tritanopia (blue-blind)
#00868B
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #427aac;
/* rgb */ color: rgb(66, 122, 172);
/* oklch */ color: oklch(56.3% 0.098 247.4);
Tailwind
colors: {
  custom: {
    50: '#80a0c5',
    500: '#427aac',
    950: '#000000',
  },
}
SCSS
$custom: #427aac;
$custom-light: #80a0c5;
$custom-dark: #000000;
JSON
{
  "hex": "#427aac",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 172
  },
  "hsl": {
    "h": 208.302,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56345,
    "c": 0.09797,
    "h": 247.4
  },
  "luminance": 0.18056
}

Semantic roles & 50–950 ramp

primary
#427AAC
secondary
#C1A389
accent
#9054D4
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #427AAC

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

Preview Lab → · Contrast checker → · Palette generator →

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