#428398#428398

#428398 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.6% C 0.074 H 221.5°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#428398
RGB	rgb(66, 131, 152)
HSL	hsl(195, 39%, 43%)
HSV	hsv(195, 57%, 60%)
CMYK	cmyk(56.6%, 13.8%, 0%, 40.4%)
CIE-LAB	lab(51.45, -14.48, -17.58)
CIE-LCH	lch(51.45, 22.77, 230.53°)
OKLab	oklab(57.56% -0.0551 -0.0488)
OKLCH	oklch(57.56% 0.074 221.5)
XYZ	xyz(16.0284, 19.6564, 32.6491)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428398 #985742

analogous

#429882 #428398 #425898

triadic

#428398 #984283 #839842

tetradic

#428398 #824298 #985742 #589842

square

#428398 #824298 #985742 #589842

split-complementary

#428398 #984258 #988242

monochromatic

#1D3943 #2F5E6D #428398 #5EA3B9 #89BBCC

Accessibility & contrast

On white

4.26

#428398 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#428398 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428398

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428398	#FFFFFF	#000000	##000000
##428398	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778099

Deuteranopia (green-blind)

#6A7698

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428398;
/* rgb */ color: rgb(66, 131, 152);
/* oklch */ color: oklch(57.6% 0.074 221.5);

Tailwind

colors: {
  custom: {
    50: '#7ea7b6',
    500: '#428398',
    950: '#000000',
  },
}

SCSS

$custom: #428398;
$custom-light: #7ea7b6;
$custom-dark: #000000;

JSON

{
  "hex": "#428398",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 152
  },
  "hsl": {
    "h": 194.651,
    "s": 39.45,
    "l": 42.745
  },
  "oklch": {
    "l": 0.57564,
    "c": 0.0736,
    "h": 221.5
  },
  "luminance": 0.19658
}

Semantic roles & 50–950 ramp

primary

#428398

secondary

#B78D7F

accent

#7558CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428398

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

Preview Lab → · Contrast checker → · Palette generator →