#427ADB#427ADB

#427ADB is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.1% C 0.160 H 260.6°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#427ADB
RGB	rgb(66, 122, 219)
HSL	hsl(218, 68%, 56%)
HSV	hsv(218, 70%, 86%)
CMYK	cmyk(69.9%, 44.3%, 0%, 14.1%)
CIE-LAB	lab(52.05, 13.62, -55.07)
CIE-LCH	lch(52.05, 56.73, 283.89°)
OKLab	oklab(59.1% -0.0262 -0.1576)
OKLCH	oklch(59.1% 0.16 260.6)
XYZ	xyz(21.9879, 20.1895, 69.7423)
Luminance	0.2019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ADB #DBA342

analogous

#42C7DB #427ADB #5642DB

triadic

#427ADB #DB427A #7ADB42

tetradic

#427ADB #DB42C7 #DBA342 #42DB56

square

#427ADB #DB42C7 #DBA342 #42DB56

split-complementary

#427ADB #DB5642 #C7DB42

monochromatic

#1A4289 #245CBC #427ADB #759EE5 #A9C2EF

Accessibility & contrast

On white

4.17

#427ADB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#427ADB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ADB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ADB	#FFFFFF	#000000	##000000
##427ADB	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A84DF

Deuteranopia (green-blind)

#2D76D9

Tritanopia (blue-blind)

#0091A0

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427adb;
/* rgb */ color: rgb(66, 122, 219);
/* oklch */ color: oklch(59.1% 0.160 260.6);

Tailwind

colors: {
  custom: {
    50: '#889fe7',
    500: '#427adb',
    950: '#000000',
  },
}

SCSS

$custom: #427adb;
$custom-light: #889fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#427adb",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 219
  },
  "hsl": {
    "h": 218.039,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.59095,
    "c": 0.15975,
    "h": 260.6
  },
  "luminance": 0.20192
}

Semantic roles & 50–950 ramp

primary

#427ADB

secondary

#DCC59D

accent

#AB3DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #427ADB

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

Preview Lab → · Contrast checker → · Palette generator →