#427DBD#427DBD

#427DBD is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.117 H 252.1°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#427DBD
RGBrgb(66, 125, 189)
HSLhsl(211, 48%, 50%)
HSVhsv(211, 65%, 74%)
CMYKcmyk(65.1%, 33.9%, 0%, 25.9%)
CIE-LABlab(51.26, 1.20, -39.26)
CIE-LCHlch(51.26, 39.27, 271.75°)
OKLaboklab(57.95% -0.0358 -0.1112)
OKLCHoklch(57.95% 0.117 252.1)
XYZxyz(18.7623, 19.4977, 50.9089)
Luminance0.1950 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427DBD #BD8242
analogous
#42BABD #427DBD #4542BD
triadic
#427DBD #BD427D #7DBD42
tetradic
#427DBD #BD42BA #BD8242 #42BD45
square
#427DBD #BD42BA #BD8242 #42BD45
split-complementary
#427DBD #BD4542 #BABD42
monochromatic
#224162 #325F90 #427DBD #6F9CCD #9DBBDD

Accessibility & contrast

On white

4.29
#427DBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.90
#427DBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DBD
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427DBD#FFFFFF#000000##000000
##427DBD1.004.294.904.90
#FFFFFF4.291.0021.0021.00
#0000004.9021.001.001.00
##0000004.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6181C0
Deuteranopia (green-blind)
#5075BC
Tritanopia (blue-blind)
#008C94
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #427dbd;
/* rgb */ color: rgb(66, 125, 189);
/* oklch */ color: oklch(58.0% 0.117 252.1);
Tailwind
colors: {
  custom: {
    50: '#82a2d1',
    500: '#427dbd',
    950: '#000000',
  },
}
SCSS
$custom: #427dbd;
$custom-light: #82a2d1;
$custom-dark: #000000;
JSON
{
  "hex": "#427dbd",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 189
  },
  "hsl": {
    "h": 211.22,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.57952,
    "c": 0.11681,
    "h": 252.1
  },
  "luminance": 0.195
}

Semantic roles & 50–950 ramp

primary
#427DBD
secondary
#C9AF92
accent
#9750D8
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0F14
muted
#7D7E82

Preview Lab

Preview with #427DBD

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

Preview Lab → · Contrast checker → · Palette generator →

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