#428396#428396

#428396 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.5% C 0.072 H 219.3°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#428396
RGB	rgb(66, 131, 150)
HSL	hsl(194, 39%, 42%)
HSV	hsv(194, 56%, 59%)
CMYK	cmyk(56%, 12.7%, 0%, 41.2%)
CIE-LAB	lab(51.37, -15.09, -16.53)
CIE-LCH	lch(51.37, 22.38, 227.60°)
OKLab	oklab(57.48% -0.0559 -0.0458)
OKLCH	oklch(57.48% 0.072 219.3)
XYZ	xyz(15.8659, 19.5914, 31.7937)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428396 #965542

analogous

#42967F #428396 #425996

triadic

#428396 #964283 #839642

tetradic

#428396 #7F4296 #965542 #599642

square

#428396 #7F4296 #965542 #599642

split-complementary

#428396 #964259 #967F42

monochromatic

#1D3941 #2F5E6C #428396 #5DA3B8 #88BBCB

Accessibility & contrast

On white

4.27

#428396 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#428396 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428396

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428396	#FFFFFF	#000000	##000000
##428396	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778097

Deuteranopia (green-blind)

#6B7696

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428396;
/* rgb */ color: rgb(66, 131, 150);
/* oklch */ color: oklch(57.5% 0.072 219.3);

Tailwind

colors: {
  custom: {
    50: '#7ea7b4',
    500: '#428396',
    950: '#000000',
  },
}

SCSS

$custom: #428396;
$custom-light: #7ea7b4;
$custom-dark: #000000;

JSON

{
  "hex": "#428396",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 150
  },
  "hsl": {
    "h": 193.571,
    "s": 38.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.5748,
    "c": 0.07229,
    "h": 219.3
  },
  "luminance": 0.19593
}

Semantic roles & 50–950 ramp

primary

#428396

secondary

#B58B7E

accent

#7459CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428396

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

Preview Lab → · Contrast checker → · Palette generator →