#427FA0#427FA0

#427FA0 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.9% C 0.081 H 234.3°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#427FA0
RGB	rgb(66, 127, 160)
HSL	hsl(201, 42%, 44%)
HSV	hsv(201, 59%, 63%)
CMYK	cmyk(58.8%, 20.6%, 0%, 37.3%)
CIE-LAB	lab(50.54, -9.70, -23.63)
CIE-LCH	lch(50.54, 25.54, 247.67°)
OKLab	oklab(56.95% -0.0474 -0.066)
OKLCH	oklch(56.95% 0.081 234.3)
XYZ	xyz(16.1789, 18.8736, 36.0412)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FA0 #A06342

analogous

#42A092 #427FA0 #4250A0

triadic

#427FA0 #A0427F #7FA042

tetradic

#427FA0 #9242A0 #A06342 #50A042

square

#427FA0 #9242A0 #A06342 #50A042

split-complementary

#427FA0 #A04250 #A09242

monochromatic

#1E3A49 #305D75 #427FA0 #619DBE #8DB8D0

Accessibility & contrast

On white

4.40

#427FA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#427FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FA0

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FA0	#FFFFFF	#000000	##000000
##427FA0	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7EA2

Deuteranopia (green-blind)

#62749F

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427fa0;
/* rgb */ color: rgb(66, 127, 160);
/* oklch */ color: oklch(56.9% 0.081 234.3);

Tailwind

colors: {
  custom: {
    50: '#7ea4bc',
    500: '#427fa0',
    950: '#000000',
  },
}

SCSS

$custom: #427fa0;
$custom-light: #7ea4bc;
$custom-dark: #000000;

JSON

{
  "hex": "#427fa0",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 160
  },
  "hsl": {
    "h": 201.064,
    "s": 41.593,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56945,
    "c": 0.08122,
    "h": 234.3
  },
  "luminance": 0.18875
}

Semantic roles & 50–950 ramp

primary

#427FA0

secondary

#BB9783

accent

#8256D1

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #427FA0

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

Preview Lab → · Contrast checker → · Palette generator →