#427BDC#427BDC

#427BDC is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.4% C 0.160 H 260.3°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#427BDC
RGB	rgb(66, 123, 220)
HSL	hsl(218, 69%, 56%)
HSV	hsv(218, 70%, 86%)
CMYK	cmyk(70%, 44.1%, 0%, 13.7%)
CIE-LAB	lab(52.39, 13.36, -55.10)
CIE-LCH	lch(52.39, 56.70, 283.63°)
OKLab	oklab(59.37% -0.0269 -0.1577)
OKLCH	oklch(59.37% 0.16 260.3)
XYZ	xyz(22.2434, 20.4891, 70.4788)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427BDC #DCA342

analogous

#42C8DC #427BDC #5642DC

triadic

#427BDC #DC427B #7BDC42

tetradic

#427BDC #DC42C8 #DCA342 #42DC56

square

#427BDC #DC42C8 #DCA342 #42DC56

split-complementary

#427BDC #DC5642 #C8DC42

monochromatic

#1A438A #235CBE #427BDC #769FE6 #A9C3EF

Accessibility & contrast

On white

4.12

#427BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#427BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427BDC

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427BDC	#FFFFFF	#000000	##000000
##427BDC	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B85E0

Deuteranopia (green-blind)

#2E76DA

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #427bdc;
/* rgb */ color: rgb(66, 123, 220);
/* oklch */ color: oklch(59.4% 0.160 260.3);

Tailwind

colors: {
  custom: {
    50: '#88a0e7',
    500: '#427bdc',
    950: '#000000',
  },
}

SCSS

$custom: #427bdc;
$custom-light: #88a0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#427bdc",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 220
  },
  "hsl": {
    "h": 217.792,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.59372,
    "c": 0.15993,
    "h": 260.3
  },
  "luminance": 0.20491
}

Semantic roles & 50–950 ramp

primary

#427BDC

secondary

#DDC59D

accent

#AB3CEC

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #427BDC

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

Preview Lab → · Contrast checker → · Palette generator →