#427AC3#427AC3

#427AC3 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.6% C 0.128 H 255.9°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#427AC3
RGB	rgb(66, 122, 195)
HSL	hsl(214, 52%, 51%)
HSV	hsv(214, 66%, 76%)
CMYK	cmyk(66.2%, 37.4%, 0%, 23.5%)
CIE-LAB	lab(50.71, 5.10, -43.58)
CIE-LCH	lch(50.71, 43.88, 276.68°)
OKLab	oklab(57.62% -0.0312 -0.1239)
OKLCH	oklch(57.62% 0.128 255.9)
XYZ	xyz(19.0531, 19.0156, 54.2854)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427AC3 #C38B42

analogous

#42BBC3 #427AC3 #4A42C3

triadic

#427AC3 #C3427A #7AC342

tetradic

#427AC3 #C342BB #C38B42 #42C34A

square

#427AC3 #C342BB #C38B42 #42C34A

split-complementary

#427AC3 #C34A42 #BBC342

monochromatic

#214169 #305D98 #427AC3 #709BD2 #9FBBE0

Accessibility & contrast

On white

4.37

#427AC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#427AC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427AC3

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427AC3	#FFFFFF	#000000	##000000
##427AC3	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7FC6

Deuteranopia (green-blind)

#4773C2

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427ac3;
/* rgb */ color: rgb(66, 122, 195);
/* oklch */ color: oklch(57.6% 0.128 255.9);

Tailwind

colors: {
  custom: {
    50: '#83a0d5',
    500: '#427ac3',
    950: '#000000',
  },
}

SCSS

$custom: #427ac3;
$custom-light: #83a0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#427ac3",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 195
  },
  "hsl": {
    "h": 213.953,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57616,
    "c": 0.12772,
    "h": 255.9
  },
  "luminance": 0.19017
}

Semantic roles & 50–950 ramp

primary

#427AC3

secondary

#CDB494

accent

#9D4DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #427AC3

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

Preview Lab → · Contrast checker → · Palette generator →