#428199#428199

#428199 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.1% C 0.074 H 225.3°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#428199
RGB	rgb(66, 129, 153)
HSL	hsl(197, 40%, 43%)
HSV	hsv(197, 57%, 60%)
CMYK	cmyk(56.9%, 15.7%, 0%, 40%)
CIE-LAB	lab(50.87, -13.05, -19.04)
CIE-LCH	lch(50.87, 23.09, 235.56°)
OKLab	oklab(57.12% -0.0524 -0.0529)
OKLCH	oklch(57.12% 0.074 225.3)
XYZ	xyz(15.8446, 19.1572, 32.9935)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428199 #995A42

analogous

#429985 #428199 #425599

triadic

#428199 #994281 #819942

tetradic

#428199 #854299 #995A42 #559942

square

#428199 #854299 #995A42 #559942

split-complementary

#428199 #994255 #998542

monochromatic

#1D3943 #305D6E #428199 #5EA1BA #89BACC

Accessibility & contrast

On white

4.35

#428199 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#428199 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428199

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428199	#FFFFFF	#000000	##000000
##428199	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747F9A

Deuteranopia (green-blind)

#677599

Tritanopia (blue-blind)

#008889

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #428199;
/* rgb */ color: rgb(66, 129, 153);
/* oklch */ color: oklch(57.1% 0.074 225.3);

Tailwind

colors: {
  custom: {
    50: '#7ea5b7',
    500: '#428199',
    950: '#000000',
  },
}

SCSS

$custom: #428199;
$custom-light: #7ea5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#428199",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 153
  },
  "hsl": {
    "h": 196.552,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.57117,
    "c": 0.07445,
    "h": 225.3
  },
  "luminance": 0.19159
}

Semantic roles & 50–950 ramp

primary

#428199

secondary

#B78F80

accent

#7958D0

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428199

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

Preview Lab → · Contrast checker → · Palette generator →