#427ED6#427ED6

#427ED6 is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.6% C 0.149 H 258.0°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#427ED6
RGB	rgb(66, 126, 214)
HSL	hsl(216, 64%, 55%)
HSV	hsv(216, 69%, 84%)
CMYK	cmyk(69.2%, 41.1%, 0%, 16.1%)
CIE-LAB	lab(52.88, 9.37, -50.93)
CIE-LCH	lch(52.88, 51.79, 280.43°)
OKLab	oklab(59.64% -0.0308 -0.1454)
OKLCH	oklch(59.64% 0.149 258)
XYZ	xyz(21.8408, 20.9327, 66.4947)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ED6 #D69A42

analogous

#42C8D6 #427ED6 #5042D6

triadic

#427ED6 #D6427E #7ED642

tetradic

#427ED6 #D642C8 #D69A42 #42D650

square

#427ED6 #D642C8 #D69A42 #42D650

split-complementary

#427ED6 #D65042 #C8D642

monochromatic

#1C4582 #2760B4 #427ED6 #74A0E1 #A7C3EC

Accessibility & contrast

On white

4.05

#427ED6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#427ED6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ED6

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ED6	#FFFFFF	#000000	##000000
##427ED6	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5586D9

Deuteranopia (green-blind)

#3D78D4

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #427ed6;
/* rgb */ color: rgb(66, 126, 214);
/* oklch */ color: oklch(59.6% 0.149 258.0);

Tailwind

colors: {
  custom: {
    50: '#87a2e3',
    500: '#427ed6',
    950: '#000000',
  },
}

SCSS

$custom: #427ed6;
$custom-light: #87a2e3;
$custom-dark: #000000;

JSON

{
  "hex": "#427ed6",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 214
  },
  "hsl": {
    "h": 215.676,
    "s": 64.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.59639,
    "c": 0.14858,
    "h": 258
  },
  "luminance": 0.20935
}

Semantic roles & 50–950 ramp

primary

#427ED6

secondary

#D9C09B

accent

#A440E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0F15

muted

#7D7E83

Preview Lab

Preview with #427ED6

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

Preview Lab → · Contrast checker → · Palette generator →