#427DD6#427DD6

#427DD6 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.4% C 0.150 H 258.5°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#427DD6
RGB	rgb(66, 125, 214)
HSL	hsl(216, 64%, 55%)
HSV	hsv(216, 69%, 84%)
CMYK	cmyk(69.2%, 41.6%, 0%, 16.1%)
CIE-LAB	lab(52.60, 9.99, -51.38)
CIE-LCH	lch(52.60, 52.34, 281.00°)
OKLab	oklab(59.42% -0.0298 -0.1467)
OKLCH	oklch(59.42% 0.15 258.5)
XYZ	xyz(21.7136, 20.6783, 66.4523)
Luminance	0.2068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DD6 #D69B42

analogous

#42C7D6 #427DD6 #5142D6

triadic

#427DD6 #D6427D #7DD642

tetradic

#427DD6 #D642C7 #D69B42 #42D651

square

#427DD6 #D642C7 #D69B42 #42D651

split-complementary

#427DD6 #D65142 #C7D642

monochromatic

#1C4582 #275FB4 #427DD6 #74A0E1 #A7C2EC

Accessibility & contrast

On white

4.09

#427DD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#427DD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DD6

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DD6	#FFFFFF	#000000	##000000
##427DD6	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5385D9

Deuteranopia (green-blind)

#3B77D4

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #427dd6;
/* rgb */ color: rgb(66, 125, 214);
/* oklch */ color: oklch(59.4% 0.150 258.5);

Tailwind

colors: {
  custom: {
    50: '#87a2e3',
    500: '#427dd6',
    950: '#000000',
  },
}

SCSS

$custom: #427dd6;
$custom-light: #87a2e3;
$custom-dark: #000000;

JSON

{
  "hex": "#427dd6",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 214
  },
  "hsl": {
    "h": 216.081,
    "s": 64.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.59422,
    "c": 0.1497,
    "h": 258.5
  },
  "luminance": 0.20681
}

Semantic roles & 50–950 ramp

primary

#427DD6

secondary

#D9C09B

accent

#A540E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0F15

muted

#7D7E83

Preview Lab

Preview with #427DD6

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

Preview Lab → · Contrast checker → · Palette generator →