#427ADC#427ADC

#427ADC is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.2% C 0.161 H 260.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX#427ADC
RGBrgb(66, 122, 220)
HSLhsl(218, 69%, 56%)
HSVhsv(218, 70%, 86%)
CMYKcmyk(70%, 44.5%, 0%, 13.7%)
CIE-LABlab(52.11, 13.97, -55.54)
CIE-LCHlch(52.11, 57.27, 284.12°)
OKLaboklab(59.16% -0.026 -0.159)
OKLCHoklch(59.16% 0.161 260.7)
XYZxyz(22.1199, 20.2423, 70.4377)
Luminance0.2024 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427ADC #DCA442
analogous
#42C7DC #427ADC #5742DC
triadic
#427ADC #DC427A #7ADC42
tetradic
#427ADC #DC42C7 #DCA442 #42DC57
square
#427ADC #DC42C7 #DCA442 #42DC57
split-complementary
#427ADC #DC5742 #C7DC42
monochromatic
#1A428A #235BBE #427ADC #769EE6 #A9C3EF

Accessibility & contrast

On white

4.16
#427ADC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.05
#427ADC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ADC
5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427ADC#FFFFFF#000000##000000
##427ADC1.004.165.055.05
#FFFFFF4.161.0021.0021.00
#0000005.0521.001.001.00
##0000005.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#4984E0
Deuteranopia (green-blind)
#2B76DA
Tritanopia (blue-blind)
#0091A0
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #427adc;
/* rgb */ color: rgb(66, 122, 220);
/* oklch */ color: oklch(59.2% 0.161 260.7);
Tailwind
colors: {
  custom: {
    50: '#889fe7',
    500: '#427adc',
    950: '#000000',
  },
}
SCSS
$custom: #427adc;
$custom-light: #889fe7;
$custom-dark: #000000;
JSON
{
  "hex": "#427adc",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 220
  },
  "hsl": {
    "h": 218.182,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.59159,
    "c": 0.16108,
    "h": 260.7
  },
  "luminance": 0.20245
}

Semantic roles & 50–950 ramp

primary
#427ADC
secondary
#DDC69D
accent
#AC3CEC
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #427ADC

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

Preview Lab → · Contrast checker → · Palette generator →

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