#428AAE#428AAE

#428AAE is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.2% C 0.090 H 232.8°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#428AAE
RGB	rgb(66, 138, 174)
HSL	hsl(200, 45%, 47%)
HSV	hsv(200, 62%, 68%)
CMYK	cmyk(62.1%, 20.7%, 0%, 31.8%)
CIE-LAB	lab(54.44, -11.40, -25.70)
CIE-LCH	lch(54.44, 28.11, 246.08°)
OKLab	oklab(60.23% -0.0546 -0.0719)
OKLCH	oklch(60.23% 0.09 232.8)
XYZ	xyz(18.9723, 22.3893, 43.3579)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428AAE #AE6642

analogous

#42AE9C #428AAE #4254AE

triadic

#428AAE #AE428A #8AAE42

tetradic

#428AAE #9C42AE #AE6642 #54AE42

square

#428AAE #9C42AE #AE6642 #54AE42

split-complementary

#428AAE #AE4254 #AE9C42

monochromatic

#204455 #316782 #428AAE #68A6C6 #94C0D6

Accessibility & contrast

On white

3.83

#428AAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#428AAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428AAE

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428AAE	#FFFFFF	#000000	##000000
##428AAE	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888B0

Deuteranopia (green-blind)

#697DAD

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #428aae;
/* rgb */ color: rgb(66, 138, 174);
/* oklch */ color: oklch(60.2% 0.090 232.8);

Tailwind

colors: {
  custom: {
    50: '#81acc6',
    500: '#428aae',
    950: '#000000',
  },
}

SCSS

$custom: #428aae;
$custom-light: #81acc6;
$custom-dark: #000000;

JSON

{
  "hex": "#428aae",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 174
  },
  "hsl": {
    "h": 200,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.60234,
    "c": 0.09026,
    "h": 232.8
  },
  "luminance": 0.22391
}

Semantic roles & 50–950 ramp

primary

#428AAE

secondary

#C29D8A

accent

#7E53D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #428AAE

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

Preview Lab → · Contrast checker → · Palette generator →