#427ED1#427ED1

#427ED1 is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.3% C 0.142 H 257.0°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#427ED1
RGB	rgb(66, 126, 209)
HSL	hsl(215, 61%, 54%)
HSV	hsv(215, 68%, 82%)
CMYK	cmyk(68.4%, 39.7%, 0%, 18%)
CIE-LAB	lab(52.60, 7.60, -48.54)
CIE-LCH	lch(52.60, 49.14, 278.90°)
OKLab	oklab(59.33% -0.0319 -0.1383)
OKLCH	oklch(59.33% 0.142 257)
XYZ	xyz(21.2121, 20.6812, 63.1832)
Luminance	0.2068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ED1 #D19542

analogous

#42C6D1 #427ED1 #4E42D1

triadic

#427ED1 #D1427E #7ED142

tetradic

#427ED1 #D142C6 #D19542 #42D14E

square

#427ED1 #D142C6 #D19542 #42D14E

split-complementary

#427ED1 #D14E42 #C6D142

monochromatic

#1E457B #2A60AC #427ED1 #73A0DD #A4C1E9

Accessibility & contrast

On white

4.09

#427ED1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#427ED1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ED1

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ED1	#FFFFFF	#000000	##000000
##427ED1	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)

#5885D4

Deuteranopia (green-blind)

#4277CF

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #427ed1;
/* rgb */ color: rgb(66, 126, 209);
/* oklch */ color: oklch(59.3% 0.142 257.0);

Tailwind

colors: {
  custom: {
    50: '#86a2df',
    500: '#427ed1',
    950: '#000000',
  },
}

SCSS

$custom: #427ed1;
$custom-light: #86a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#427ed1",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 209
  },
  "hsl": {
    "h": 214.825,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59334,
    "c": 0.14197,
    "h": 257
  },
  "luminance": 0.20683
}

Semantic roles & 50–950 ramp

primary

#427ED1

secondary

#D6BC99

accent

#A144E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #427ED1

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

Preview Lab → · Contrast checker → · Palette generator →