#427FD6#427FD6

#427FD6 is a mid, vivid blue. Relative luminance 0.212; OKLCH L 59.9% C 0.147 H 257.6°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#427FD6
RGB	rgb(66, 127, 214)
HSL	hsl(215, 64%, 55%)
HSV	hsv(215, 69%, 84%)
CMYK	cmyk(69.2%, 40.7%, 0%, 16.1%)
CIE-LAB	lab(53.16, 8.76, -50.48)
CIE-LCH	lch(53.16, 51.24, 279.85°)
OKLab	oklab(59.86% -0.0317 -0.144)
OKLCH	oklch(59.86% 0.147 257.6)
XYZ	xyz(21.9693, 21.1897, 66.5375)
Luminance	0.2119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FD6 #D69942

analogous

#42C9D6 #427FD6 #4F42D6

triadic

#427FD6 #D6427F #7FD642

tetradic

#427FD6 #D642C9 #D69942 #42D64F

square

#427FD6 #D642C9 #D69942 #42D64F

split-complementary

#427FD6 #D64F42 #C9D642

monochromatic

#1C4682 #2761B4 #427FD6 #74A1E1 #A7C3EC

Accessibility & contrast

On white

4.01

#427FD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#427FD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FD6

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FD6	#FFFFFF	#000000	##000000
##427FD6	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5686D9

Deuteranopia (green-blind)

#3F79D4

Tritanopia (blue-blind)

#0093A0

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #427fd6;
/* rgb */ color: rgb(66, 127, 214);
/* oklch */ color: oklch(59.9% 0.147 257.6);

Tailwind

colors: {
  custom: {
    50: '#87a3e3',
    500: '#427fd6',
    950: '#000000',
  },
}

SCSS

$custom: #427fd6;
$custom-light: #87a3e3;
$custom-dark: #000000;

JSON

{
  "hex": "#427fd6",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 214
  },
  "hsl": {
    "h": 215.27,
    "s": 64.348,
    "l": 54.902
  },
  "oklch": {
    "l": 0.59857,
    "c": 0.14748,
    "h": 257.6
  },
  "luminance": 0.21192
}

Semantic roles & 50–950 ramp

primary

#427FD6

secondary

#D9BF9B

accent

#A340E7

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #427FD6

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

Preview Lab → · Contrast checker → · Palette generator →