#427A90#427A90

#427A90 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.0% C 0.068 H 225.7°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#427A90
RGB	rgb(66, 122, 144)
HSL	hsl(197, 37%, 41%)
HSV	hsv(197, 54%, 56%)
CMYK	cmyk(54.2%, 15.3%, 0%, 43.5%)
CIE-LAB	lab(48.37, -11.92, -17.59)
CIE-LCH	lch(48.37, 21.25, 235.87°)
OKLab	oklab(55.01% -0.0476 -0.0488)
OKLCH	oklch(55.01% 0.068 225.7)
XYZ	xyz(14.2384, 17.0897, 28.9285)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427A90 #905842

analogous

#42907F #427A90 #425390

triadic

#427A90 #90427A #7A9042

tetradic

#427A90 #7F4290 #905842 #539042

square

#427A90 #7F4290 #905842 #539042

split-complementary

#427A90 #904253 #907F42

monochromatic

#1C333C #2F5666 #427A90 #5B9BB4 #85B5C7

Accessibility & contrast

On white

4.75

#427A90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#427A90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427A90

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427A90	#FFFFFF	#000000	##FFFFFF
##427A90	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7891

Deuteranopia (green-blind)

#636F90

Tritanopia (blue-blind)

#0C8181

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #427a90;
/* rgb */ color: rgb(66, 122, 144);
/* oklch */ color: oklch(55.0% 0.068 225.7);

Tailwind

colors: {
  custom: {
    50: '#7ca0b0',
    500: '#427a90',
    950: '#000000',
  },
}

SCSS

$custom: #427a90;
$custom-light: #7ca0b0;
$custom-dark: #000000;

JSON

{
  "hex": "#427a90",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 144
  },
  "hsl": {
    "h": 196.923,
    "s": 37.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55011,
    "c": 0.06817,
    "h": 225.7
  },
  "luminance": 0.17091
}

Semantic roles & 50–950 ramp

primary

#427A90

secondary

#B28B7C

accent

#7B5BCD

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #427A90

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

Preview Lab → · Contrast checker → · Palette generator →