#427BAE#427BAE

#427BAE is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.100 H 247.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#427BAE
RGBrgb(66, 123, 174)
HSLhsl(208, 45%, 47%)
HSVhsv(208, 62%, 68%)
CMYKcmyk(62.1%, 29.3%, 0%, 31.8%)
CIE-LABlab(49.95, -2.75, -32.67)
CIE-LCHlch(49.95, 32.79, 265.19°)
OKLaboklab(56.68% -0.0381 -0.0921)
OKLCHoklch(56.68% 0.1 247.5)
XYZxyz(16.9669, 18.3786, 42.6895)
Luminance0.1838 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427BAE #AE7542
analogous
#42AEAB #427BAE #4245AE
triadic
#427BAE #AE427B #7BAE42
tetradic
#427BAE #AB42AE #AE7542 #45AE42
square
#427BAE #AB42AE #AE7542 #45AE42
split-complementary
#427BAE #AE4245 #AEAB42
monochromatic
#203C55 #315C82 #427BAE #6899C6 #94B7D6

Accessibility & contrast

On white

4.49
#427BAE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

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

Best text color

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

Contrast matrix

fg \ bg##427BAE#FFFFFF#000000##000000
##427BAE1.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#657DB0
Deuteranopia (green-blind)
#5672AD
Tritanopia (blue-blind)
#00878D
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #427bae;
/* rgb */ color: rgb(66, 123, 174);
/* oklch */ color: oklch(56.7% 0.100 247.5);
Tailwind
colors: {
  custom: {
    50: '#80a1c6',
    500: '#427bae',
    950: '#000000',
  },
}
SCSS
$custom: #427bae;
$custom-light: #80a1c6;
$custom-dark: #000000;
JSON
{
  "hex": "#427bae",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 174
  },
  "hsl": {
    "h": 208.333,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.56683,
    "c": 0.09961,
    "h": 247.5
  },
  "luminance": 0.1838
}

Semantic roles & 50–950 ramp

primary
#427BAE
secondary
#C2A48A
accent
#9053D5
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #427BAE

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

Preview Lab → · Contrast checker → · Palette generator →

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