#427ED0#427ED0

#427ED0 is a mid, vivid cyan. Relative luminance 0.206; OKLCH L 59.3% C 0.141 H 256.8°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#427ED0
RGB	rgb(66, 126, 208)
HSL	hsl(215, 60%, 54%)
HSV	hsv(215, 68%, 82%)
CMYK	cmyk(68.3%, 39.4%, 0%, 18.4%)
CIE-LAB	lab(52.54, 7.25, -48.06)
CIE-LCH	lch(52.54, 48.61, 278.57°)
OKLab	oklab(59.27% -0.0321 -0.1369)
OKLCH	oklch(59.27% 0.141 256.8)
XYZ	xyz(21.0887, 20.6318, 62.5332)
Luminance	0.2063 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ED0 #D09442

analogous

#42C5D0 #427ED0 #4D42D0

triadic

#427ED0 #D0427E #7ED042

tetradic

#427ED0 #D042C5 #D09442 #42D04D

square

#427ED0 #D042C5 #D09442 #42D04D

split-complementary

#427ED0 #D04D42 #C5D042

monochromatic

#1E4579 #2A60AA #427ED0 #739FDC #A4C1E8

Accessibility & contrast

On white

4.10

#427ED0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#427ED0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ED0

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ED0	#FFFFFF	#000000	##000000
##427ED0	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5885D3

Deuteranopia (green-blind)

#4377CE

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #427ed0;
/* rgb */ color: rgb(66, 126, 208);
/* oklch */ color: oklch(59.3% 0.141 256.8);

Tailwind

colors: {
  custom: {
    50: '#86a2df',
    500: '#427ed0',
    950: '#000000',
  },
}

SCSS

$custom: #427ed0;
$custom-light: #86a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#427ed0",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 208
  },
  "hsl": {
    "h": 214.648,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.59274,
    "c": 0.14066,
    "h": 256.8
  },
  "luminance": 0.20634
}

Semantic roles & 50–950 ramp

primary

#427ED0

secondary

#D5BC99

accent

#A044E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #427ED0

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

Preview Lab → · Contrast checker → · Palette generator →