#427DCE#427DCE

#427DCE is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.9% C 0.139 H 256.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#427DCE
RGB	rgb(66, 125, 206)
HSL	hsl(215, 59%, 53%)
HSV	hsv(215, 68%, 81%)
CMYK	cmyk(68%, 39.3%, 0%, 19.2%)
CIE-LAB	lab(52.15, 7.15, -47.55)
CIE-LCH	lch(52.15, 48.09, 278.55°)
OKLab	oklab(58.93% -0.0316 -0.1355)
OKLCH	oklch(58.93% 0.139 256.9)
XYZ	xyz(20.7169, 20.2796, 61.2031)
Luminance	0.2028 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DCE #CE9342

analogous

#42C3CE #427DCE #4D42CE

triadic

#427DCE #CE427D #7DCE42

tetradic

#427DCE #CE42C3 #CE9342 #42CE4D

square

#427DCE #CE42C3 #CE9342 #42CE4D

split-complementary

#427DCE #CE4D42 #C3CE42

monochromatic

#1F4477 #2B60A7 #427DCE #739EDB #A3C0E7

Accessibility & contrast

On white

4.15

#427DCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#427DCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DCE

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DCE	#FFFFFF	#000000	##000000
##427DCE	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5883D1

Deuteranopia (green-blind)

#4376CC

Tritanopia (blue-blind)

#00909B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427dce;
/* rgb */ color: rgb(66, 125, 206);
/* oklch */ color: oklch(58.9% 0.139 256.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#427dce",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 206
  },
  "hsl": {
    "h": 214.714,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58934,
    "c": 0.13909,
    "h": 256.9
  },
  "luminance": 0.20282
}

Semantic roles & 50–950 ramp

primary

#427DCE

secondary

#D4BB98

accent

#A046E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #427DCE

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

Preview Lab → · Contrast checker → · Palette generator →