#427ADD#427ADD

#427ADD is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.2% C 0.162 H 260.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#427ADD
RGB	rgb(66, 122, 221)
HSL	hsl(218, 70%, 56%)
HSV	hsv(218, 70%, 87%)
CMYK	cmyk(70.1%, 44.8%, 0%, 13.3%)
CIE-LAB	lab(52.17, 14.33, -56.01)
CIE-LCH	lch(52.17, 57.81, 284.35°)
OKLab	oklab(59.23% -0.0258 -0.1603)
OKLCH	oklch(59.23% 0.162 260.9)
XYZ	xyz(22.2528, 20.2954, 71.1372)
Luminance	0.2030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ADD #DDA542

analogous

#42C7DD #427ADD #5842DD

triadic

#427ADD #DD427A #7ADD42

tetradic

#427ADD #DD42C7 #DDA542 #42DD58

square

#427ADD #DD42C7 #DDA542 #42DD58

split-complementary

#427ADD #DD5842 #C7DD42

monochromatic

#19428C #225BBF #427ADD #769FE6 #AAC3F0

Accessibility & contrast

On white

4.15

#427ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#427ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ADD

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ADD	#FFFFFF	#000000	##000000
##427ADD	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4884E1

Deuteranopia (green-blind)

#2A76DB

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427add;
/* rgb */ color: rgb(66, 122, 221);
/* oklch */ color: oklch(59.2% 0.162 260.9);

Tailwind

colors: {
  custom: {
    50: '#889fe8',
    500: '#427add',
    950: '#000000',
  },
}

SCSS

$custom: #427add;
$custom-light: #889fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#427add",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 221
  },
  "hsl": {
    "h": 218.323,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59225,
    "c": 0.16241,
    "h": 260.9
  },
  "luminance": 0.20298
}

Semantic roles & 50–950 ramp

primary

#427ADD

secondary

#DDC69D

accent

#AC3BEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #427ADD

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

Preview Lab → · Contrast checker → · Palette generator →