#427E99#427E99

#427E99 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.4% C 0.075 H 229.4°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#427E99
RGB	rgb(66, 126, 153)
HSL	hsl(199, 40%, 43%)
HSV	hsv(199, 57%, 60%)
CMYK	cmyk(56.9%, 17.6%, 0%, 40%)
CIE-LAB	lab(49.95, -11.37, -20.45)
CIE-LCH	lch(49.95, 23.40, 240.93°)
OKLab	oklab(56.39% -0.0488 -0.0569)
OKLCH	oklch(56.39% 0.075 229.4)
XYZ	xyz(15.4552, 18.3785, 32.8637)
Luminance	0.1838 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427E99 #995D42

analogous

#429988 #427E99 #425299

triadic

#427E99 #99427E #7E9942

tetradic

#427E99 #884299 #995D42 #529942

square

#427E99 #884299 #995D42 #529942

split-complementary

#427E99 #994252 #998842

monochromatic

#1D3843 #305B6E #427E99 #5E9DBA #89B7CC

Accessibility & contrast

On white

4.49

#427E99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#427E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427E99

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427E99	#FFFFFF	#000000	##000000
##427E99	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707C9A

Deuteranopia (green-blind)

#647399

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #427e99;
/* rgb */ color: rgb(66, 126, 153);
/* oklch */ color: oklch(56.4% 0.075 229.4);

Tailwind

colors: {
  custom: {
    50: '#7ea3b7',
    500: '#427e99',
    950: '#000000',
  },
}

SCSS

$custom: #427e99;
$custom-light: #7ea3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#427e99",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 153
  },
  "hsl": {
    "h": 198.621,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.56385,
    "c": 0.07499,
    "h": 229.4
  },
  "luminance": 0.1838
}

Semantic roles & 50–950 ramp

primary

#427E99

secondary

#B79180

accent

#7D58D0

background

#F8FAFB

surface

#EFF3F6

border

#CACDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #427E99

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

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