#427FA1#427FA1

#427FA1 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.082 H 235.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#427FA1
RGB	rgb(66, 127, 161)
HSL	hsl(201, 42%, 45%)
HSV	hsv(201, 59%, 63%)
CMYK	cmyk(59%, 21.1%, 0%, 36.9%)
CIE-LAB	lab(50.58, -9.38, -24.14)
CIE-LCH	lch(50.58, 25.90, 248.77°)
OKLab	oklab(56.99% -0.047 -0.0675)
OKLCH	oklch(56.99% 0.082 235.1)
XYZ	xyz(16.2667, 18.9087, 36.5038)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FA1 #A16442

analogous

#42A194 #427FA1 #4250A1

triadic

#427FA1 #A1427F #7FA142

tetradic

#427FA1 #9442A1 #A16442 #50A142

square

#427FA1 #9442A1 #A16442 #50A142

split-complementary

#427FA1 #A14250 #A19442

monochromatic

#1E3B4A #305D76 #427FA1 #629DBF #8DB8D0

Accessibility & contrast

On white

4.39

#427FA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#427FA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FA1

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FA1	#FFFFFF	#000000	##000000
##427FA1	1.00	4.39	4.78	4.78
#FFFFFF	4.39	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)

#6F7EA3

Deuteranopia (green-blind)

#6274A0

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427fa1;
/* rgb */ color: rgb(66, 127, 161);
/* oklch */ color: oklch(57.0% 0.082 235.1);

Tailwind

colors: {
  custom: {
    50: '#7fa4bd',
    500: '#427fa1',
    950: '#000000',
  },
}

SCSS

$custom: #427fa1;
$custom-light: #7fa4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#427fa1",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 161
  },
  "hsl": {
    "h": 201.474,
    "s": 41.85,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56991,
    "c": 0.08221,
    "h": 235.1
  },
  "luminance": 0.1891
}

Semantic roles & 50–950 ramp

primary

#427FA1

secondary

#BB9783

accent

#8256D2

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #427FA1

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

Preview Lab → · Contrast checker → · Palette generator →