#427ECA#427ECA

#427ECA is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.9% C 0.133 H 255.4°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#427ECA
RGB	rgb(66, 126, 202)
HSL	hsl(214, 56%, 53%)
HSV	hsv(214, 67%, 79%)
CMYK	cmyk(67.3%, 37.6%, 0%, 20.8%)
CIE-LAB	lab(52.22, 5.13, -45.17)
CIE-LCH	lch(52.22, 45.46, 276.48°)
OKLab	oklab(58.92% -0.0335 -0.1285)
OKLCH	oklch(58.92% 0.133 255.4)
XYZ	xyz(20.3644, 20.3422, 58.7189)
Luminance	0.2034 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ECA #CA8E42

analogous

#42C2CA #427ECA #4A42CA

triadic

#427ECA #CA427E #7ECA42

tetradic

#427ECA #CA42C2 #CA8E42 #42CA4A

square

#427ECA #CA42C2 #CA8E42 #42CA4A

split-complementary

#427ECA #CA4A42 #C2CA42

monochromatic

#204472 #2D61A2 #427ECA #729FD7 #A2BFE5

Accessibility & contrast

On white

4.14

#427ECA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#427ECA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ECA

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ECA	#FFFFFF	#000000	##000000
##427ECA	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C84CD

Deuteranopia (green-blind)

#4877C8

Tritanopia (blue-blind)

#00909A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #427eca;
/* rgb */ color: rgb(66, 126, 202);
/* oklch */ color: oklch(58.9% 0.133 255.4);

Tailwind

colors: {
  custom: {
    50: '#85a2da',
    500: '#427eca',
    950: '#000000',
  },
}

SCSS

$custom: #427eca;
$custom-light: #85a2da;
$custom-dark: #000000;

JSON

{
  "hex": "#427eca",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 202
  },
  "hsl": {
    "h": 213.529,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.58918,
    "c": 0.13275,
    "h": 255.4
  },
  "luminance": 0.20344
}

Semantic roles & 50–950 ramp

primary

#427ECA

secondary

#D1B796

accent

#9D48DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #427ECA

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

Preview Lab → · Contrast checker → · Palette generator →