#428AAD#428AAD

#428AAD is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.2% C 0.089 H 232.0°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#428AAD
RGB	rgb(66, 138, 173)
HSL	hsl(200, 45%, 47%)
HSV	hsv(200, 62%, 68%)
CMYK	cmyk(61.8%, 20.2%, 0%, 32.2%)
CIE-LAB	lab(54.40, -11.72, -25.19)
CIE-LCH	lch(54.40, 27.78, 245.04°)
OKLab	oklab(60.19% -0.055 -0.0704)
OKLCH	oklch(60.19% 0.089 232)
XYZ	xyz(18.8752, 22.3505, 42.8464)
Luminance	0.2235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428AAD #AD6542

analogous

#42AD9B #428AAD #4255AD

triadic

#428AAD #AD428A #8AAD42

tetradic

#428AAD #9B42AD #AD6542 #55AD42

square

#428AAD #9B42AD #AD6542 #55AD42

split-complementary

#428AAD #AD4255 #AD9B42

monochromatic

#204354 #316781 #428AAD #67A6C5 #93C0D6

Accessibility & contrast

On white

3.84

#428AAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#428AAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428AAD

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428AAD	#FFFFFF	#000000	##000000
##428AAD	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7988AF

Deuteranopia (green-blind)

#6A7DAC

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #428aad;
/* rgb */ color: rgb(66, 138, 173);
/* oklch */ color: oklch(60.2% 0.089 232.0);

Tailwind

colors: {
  custom: {
    50: '#81acc5',
    500: '#428aad',
    950: '#000000',
  },
}

SCSS

$custom: #428aad;
$custom-light: #81acc5;
$custom-dark: #000000;

JSON

{
  "hex": "#428aad",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 173
  },
  "hsl": {
    "h": 199.626,
    "s": 44.77,
    "l": 46.863
  },
  "oklch": {
    "l": 0.60188,
    "c": 0.08933,
    "h": 232
  },
  "luminance": 0.22352
}

Semantic roles & 50–950 ramp

primary

#428AAD

secondary

#C19C89

accent

#7E53D4

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #428AAD

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

Preview Lab → · Contrast checker → · Palette generator →