#427ECE#427ECE

#427ECE is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 59.2% C 0.138 H 256.4°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#427ECE
RGB	rgb(66, 126, 206)
HSL	hsl(214, 59%, 53%)
HSV	hsv(214, 68%, 81%)
CMYK	cmyk(68%, 38.8%, 0%, 19.2%)
CIE-LAB	lab(52.44, 6.54, -47.10)
CIE-LCH	lch(52.44, 47.55, 277.91°)
OKLab	oklab(59.16% -0.0325 -0.1341)
OKLCH	oklch(59.16% 0.138 256.4)
XYZ	xyz(20.8442, 20.5340, 61.2455)
Luminance	0.2054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ECE #CE9242

analogous

#42C4CE #427ECE #4C42CE

triadic

#427ECE #CE427E #7ECE42

tetradic

#427ECE #CE42C4 #CE9242 #42CE4C

square

#427ECE #CE42C4 #CE9242 #42CE4C

split-complementary

#427ECE #CE4C42 #C4CE42

monochromatic

#1F4577 #2B61A7 #427ECE #739FDB #A3C0E7

Accessibility & contrast

On white

4.11

#427ECE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#427ECE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ECE

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ECE	#FFFFFF	#000000	##000000
##427ECE	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A84D1

Deuteranopia (green-blind)

#4577CC

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #427ece;
/* rgb */ color: rgb(66, 126, 206);
/* oklch */ color: oklch(59.2% 0.138 256.4);

Tailwind

colors: {
  custom: {
    50: '#85a2dd',
    500: '#427ece',
    950: '#000000',
  },
}

SCSS

$custom: #427ece;
$custom-light: #85a2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#427ece",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 206
  },
  "hsl": {
    "h": 214.286,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59155,
    "c": 0.13802,
    "h": 256.4
  },
  "luminance": 0.20536
}

Semantic roles & 50–950 ramp

primary

#427ECE

secondary

#D4BA98

accent

#9F46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #427ECE

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

Preview Lab → · Contrast checker → · Palette generator →