#427BAF#427BAF

#427BAF is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.101 H 248.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#427BAF
RGBrgb(66, 123, 175)
HSLhsl(209, 45%, 47%)
HSVhsv(209, 62%, 69%)
CMYKcmyk(62.3%, 29.7%, 0%, 31.4%)
CIE-LABlab(50.00, -2.41, -33.18)
CIE-LCHlch(50.00, 33.26, 265.85°)
OKLaboklab(56.74% -0.0378 -0.0935)
OKLCHoklch(56.74% 0.101 248)
XYZxyz(17.0647, 18.4177, 43.2048)
Luminance0.1842 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427BAF #AF7642
analogous
#42AFAD #427BAF #4245AF
triadic
#427BAF #AF427B #7BAF42
tetradic
#427BAF #AD42AF #AF7642 #45AF42
square
#427BAF #AD42AF #AF7642 #45AF42
split-complementary
#427BAF #AF4245 #AFAD42
monochromatic
#203D56 #315C83 #427BAF #6899C6 #95B7D7

Accessibility & contrast

On white

4.48
#427BAF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#427BAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427BAF
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427BAF#FFFFFF#000000##000000
##427BAF1.004.484.684.68
#FFFFFF4.481.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#657DB1
Deuteranopia (green-blind)
#5672AE
Tritanopia (blue-blind)
#00878D
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #427baf;
/* rgb */ color: rgb(66, 123, 175);
/* oklch */ color: oklch(56.7% 0.101 248.0);
Tailwind
colors: {
  custom: {
    50: '#80a1c7',
    500: '#427baf',
    950: '#000000',
  },
}
SCSS
$custom: #427baf;
$custom-light: #80a1c7;
$custom-dark: #000000;
JSON
{
  "hex": "#427baf",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 175
  },
  "hsl": {
    "h": 208.624,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56735,
    "c": 0.10086,
    "h": 248
  },
  "luminance": 0.18419
}

Semantic roles & 50–950 ramp

primary
#427BAF
secondary
#C2A58A
accent
#9153D5
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #427BAF

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

Preview Lab → · Contrast checker → · Palette generator →

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