#427EAD#427EAD

#427EAD is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.3% C 0.096 H 244.3°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX#427EAD
RGBrgb(66, 126, 173)
HSLhsl(206, 45%, 47%)
HSVhsv(206, 62%, 68%)
CMYKcmyk(61.8%, 27.2%, 0%, 32.2%)
CIE-LABlab(50.80, -4.85, -30.77)
CIE-LCHlch(50.80, 31.15, 261.04°)
OKLaboklab(57.34% -0.0417 -0.0865)
OKLCHoklch(57.34% 0.096 244.3)
XYZxyz(17.2476, 19.0954, 42.3039)
Luminance0.1910 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427EAD #AD7142
analogous
#42ADA7 #427EAD #4249AD
triadic
#427EAD #AD427E #7EAD42
tetradic
#427EAD #A742AD #AD7142 #49AD42
square
#427EAD #A742AD #AD7142 #49AD42
split-complementary
#427EAD #AD4249 #ADA742
monochromatic
#203D54 #315E81 #427EAD #679CC5 #93B9D6

Accessibility & contrast

On white

4.36
#427EAD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.82
#427EAD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EAD
4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427EAD#FFFFFF#000000##000000
##427EAD1.004.364.824.82
#FFFFFF4.361.0021.0021.00
#0000004.8221.001.001.00
##0000004.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#697FAF
Deuteranopia (green-blind)
#5B74AC
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #427ead;
/* rgb */ color: rgb(66, 126, 173);
/* oklch */ color: oklch(57.3% 0.096 244.3);
Tailwind
colors: {
  custom: {
    50: '#80a3c5',
    500: '#427ead',
    950: '#000000',
  },
}
SCSS
$custom: #427ead;
$custom-light: #80a3c5;
$custom-dark: #000000;
JSON
{
  "hex": "#427ead",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 173
  },
  "hsl": {
    "h": 206.355,
    "s": 44.77,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57336,
    "c": 0.09605,
    "h": 244.3
  },
  "luminance": 0.19097
}

Semantic roles & 50–950 ramp

primary
#427EAD
secondary
#C1A289
accent
#8C53D4
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #427EAD

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

Preview Lab → · Contrast checker → · Palette generator →

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