#427AAF#427AAF

#427AAF is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.102 H 248.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#427AAF
RGBrgb(66, 122, 175)
HSLhsl(209, 45%, 47%)
HSVhsv(209, 62%, 69%)
CMYKcmyk(62.3%, 30.3%, 0%, 31.4%)
CIE-LABlab(49.70, -1.81, -33.64)
CIE-LCHlch(49.70, 33.69, 266.91°)
OKLaboklab(56.5% -0.0367 -0.0949)
OKLCHoklch(56.5% 0.102 248.9)
XYZxyz(16.9413, 18.1709, 43.1637)
Luminance0.1817 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427AAF #AF7742
analogous
#42AFAD #427AAF #4244AF
triadic
#427AAF #AF427A #7AAF42
tetradic
#427AAF #AD42AF #AF7742 #44AF42
square
#427AAF #AD42AF #AF7742 #44AF42
split-complementary
#427AAF #AF4244 #AFAD42
monochromatic
#203C56 #315B83 #427AAF #6898C6 #95B7D7

Accessibility & contrast

On white

4.53
#427AAF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#427AAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427AAF
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427AAF#FFFFFF#000000##000000
##427AAF1.004.534.634.63
#FFFFFF4.531.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#637CB1
Deuteranopia (green-blind)
#5571AE
Tritanopia (blue-blind)
#00868D
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #427aaf;
/* rgb */ color: rgb(66, 122, 175);
/* oklch */ color: oklch(56.5% 0.102 248.9);
Tailwind
colors: {
  custom: {
    50: '#80a0c7',
    500: '#427aaf',
    950: '#000000',
  },
}
SCSS
$custom: #427aaf;
$custom-light: #80a0c7;
$custom-dark: #000000;
JSON
{
  "hex": "#427aaf",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 175
  },
  "hsl": {
    "h": 209.174,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56502,
    "c": 0.10172,
    "h": 248.9
  },
  "luminance": 0.18172
}

Semantic roles & 50–950 ramp

primary
#427AAF
secondary
#C2A68A
accent
#9253D5
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #427AAF

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

Preview Lab → · Contrast checker → · Palette generator →

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