#427FD2#427FD2

#427FD2 is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.6% C 0.142 H 256.8°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#427FD2
RGB	rgb(66, 127, 210)
HSL	hsl(215, 62%, 54%)
HSV	hsv(215, 69%, 82%)
CMYK	cmyk(68.6%, 39.5%, 0%, 17.6%)
CIE-LAB	lab(52.94, 7.35, -48.57)
CIE-LCH	lch(52.94, 49.13, 278.60°)
OKLab	oklab(59.61% -0.0326 -0.1384)
OKLCH	oklch(59.61% 0.142 256.8)
XYZ	xyz(21.4648, 20.9879, 63.8801)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FD2 #D29542

analogous

#42C7D2 #427FD2 #4D42D2

triadic

#427FD2 #D2427F #7FD242

tetradic

#427FD2 #D242C7 #D29542 #42D24D

square

#427FD2 #D242C7 #D29542 #42D24D

split-complementary

#427FD2 #D24D42 #C7D242

monochromatic

#1E467C #2961AD #427FD2 #73A0DE #A5C2EA

Accessibility & contrast

On white

4.04

#427FD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#427FD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FD2

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FD2	#FFFFFF	#000000	##000000
##427FD2	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5986D5

Deuteranopia (green-blind)

#4378D0

Tritanopia (blue-blind)

#00929E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #427fd2;
/* rgb */ color: rgb(66, 127, 210);
/* oklch */ color: oklch(59.6% 0.142 256.8);

Tailwind

colors: {
  custom: {
    50: '#86a3e0',
    500: '#427fd2',
    950: '#000000',
  },
}

SCSS

$custom: #427fd2;
$custom-light: #86a3e0;
$custom-dark: #000000;

JSON

{
  "hex": "#427fd2",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 210
  },
  "hsl": {
    "h": 214.583,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59614,
    "c": 0.1422,
    "h": 256.8
  },
  "luminance": 0.2099
}

Semantic roles & 50–950 ramp

primary

#427FD2

secondary

#D7BD99

accent

#A043E5

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #427FD2

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

Preview Lab → · Contrast checker → · Palette generator →