#427DAF#427DAF

#427DAF is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.2% C 0.099 H 246.3°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#427DAF
RGBrgb(66, 125, 175)
HSLhsl(208, 45%, 47%)
HSVhsv(208, 62%, 69%)
CMYKcmyk(62.3%, 28.6%, 0%, 31.4%)
CIE-LABlab(50.59, -3.59, -32.25)
CIE-LCHlch(50.59, 32.45, 263.65°)
OKLaboklab(57.2% -0.0399 -0.0908)
OKLCHoklch(57.2% 0.099 246.3)
XYZxyz(17.3154, 18.9190, 43.2883)
Luminance0.1892 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427DAF #AF7442
analogous
#42AFAB #427DAF #4247AF
triadic
#427DAF #AF427D #7DAF42
tetradic
#427DAF #AB42AF #AF7442 #47AF42
square
#427DAF #AB42AF #AF7442 #47AF42
split-complementary
#427DAF #AF4247 #AFAB42
monochromatic
#203E56 #315D83 #427DAF #689BC6 #95B8D7

Accessibility & contrast

On white

4.39
#427DAF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.78
#427DAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DAF
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427DAF#FFFFFF#000000##000000
##427DAF1.004.394.784.78
#FFFFFF4.391.0021.0021.00
#0000004.7821.001.001.00
##0000004.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#677EB1
Deuteranopia (green-blind)
#5974AE
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #427daf;
/* rgb */ color: rgb(66, 125, 175);
/* oklch */ color: oklch(57.2% 0.099 246.3);
Tailwind
colors: {
  custom: {
    50: '#80a2c7',
    500: '#427daf',
    950: '#000000',
  },
}
SCSS
$custom: #427daf;
$custom-light: #80a2c7;
$custom-dark: #000000;
JSON
{
  "hex": "#427daf",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 175
  },
  "hsl": {
    "h": 207.523,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.57203,
    "c": 0.09921,
    "h": 246.3
  },
  "luminance": 0.18921
}

Semantic roles & 50–950 ramp

primary
#427DAF
secondary
#C2A48A
accent
#8F53D5
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82

Preview Lab

Preview with #427DAF

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

Preview Lab → · Contrast checker → · Palette generator →

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