#427AC4#427AC4

#427AC4 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.7% C 0.129 H 256.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#427AC4
RGB	rgb(66, 122, 196)
HSL	hsl(214, 52%, 51%)
HSV	hsv(214, 66%, 77%)
CMYK	cmyk(66.3%, 37.8%, 0%, 23.1%)
CIE-LAB	lab(50.76, 5.45, -44.07)
CIE-LCH	lch(50.76, 44.40, 277.05°)
OKLab	oklab(57.67% -0.0309 -0.1253)
OKLCH	oklch(57.67% 0.129 256.1)
XYZ	xyz(19.1665, 19.0609, 54.8829)
Luminance	0.1906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427AC4 #C48C42

analogous

#42BBC4 #427AC4 #4B42C4

triadic

#427AC4 #C4427A #7AC442

tetradic

#427AC4 #C442BB #C48C42 #42C44B

square

#427AC4 #C442BB #C48C42 #42C44B

split-complementary

#427AC4 #C44B42 #BBC442

monochromatic

#21416A #305D99 #427AC4 #719BD3 #9FBCE1

Accessibility & contrast

On white

4.36

#427AC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#427AC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427AC4

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427AC4	#FFFFFF	#000000	##000000
##427AC4	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597FC7

Deuteranopia (green-blind)

#4673C2

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427ac4;
/* rgb */ color: rgb(66, 122, 196);
/* oklch */ color: oklch(57.7% 0.129 256.1);

Tailwind

colors: {
  custom: {
    50: '#84a0d6',
    500: '#427ac4',
    950: '#000000',
  },
}

SCSS

$custom: #427ac4;
$custom-light: #84a0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#427ac4",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 196
  },
  "hsl": {
    "h": 214.154,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57674,
    "c": 0.12905,
    "h": 256.1
  },
  "luminance": 0.19063
}

Semantic roles & 50–950 ramp

primary

#427AC4

secondary

#CEB594

accent

#9E4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #427AC4

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

Preview Lab → · Contrast checker → · Palette generator →