#428497#428497

#428497 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.8% C 0.073 H 219.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#428497
RGB	rgb(66, 132, 151)
HSL	hsl(193, 39%, 43%)
HSV	hsv(193, 56%, 59%)
CMYK	cmyk(56.3%, 12.6%, 0%, 40.8%)
CIE-LAB	lab(51.72, -15.34, -16.58)
CIE-LCH	lch(51.72, 22.59, 227.24°)
OKLab	oklab(57.77% -0.0567 -0.046)
OKLCH	oklch(57.77% 0.073 219)
XYZ	xyz(16.0818, 19.8937, 32.2645)
Luminance	0.1989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428497 #975542

analogous

#429780 #428497 #425997

triadic

#428497 #974284 #849742

tetradic

#428497 #804297 #975542 #599742

square

#428497 #804297 #975542 #599742

split-complementary

#428497 #974259 #978042

monochromatic

#1D3A42 #2F5F6C #428497 #5EA4B8 #88BCCB

Accessibility & contrast

On white

4.22

#428497 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#428497 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428497

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428497	#FFFFFF	#000000	##000000
##428497	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788198

Deuteranopia (green-blind)

#6B7797

Tritanopia (blue-blind)

#008B8A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428497;
/* rgb */ color: rgb(66, 132, 151);
/* oklch */ color: oklch(57.8% 0.073 219.0);

Tailwind

colors: {
  custom: {
    50: '#7ea8b5',
    500: '#428497',
    950: '#000000',
  },
}

SCSS

$custom: #428497;
$custom-light: #7ea8b5;
$custom-dark: #000000;

JSON

{
  "hex": "#428497",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 151
  },
  "hsl": {
    "h": 193.412,
    "s": 39.171,
    "l": 42.549
  },
  "oklch": {
    "l": 0.57768,
    "c": 0.07299,
    "h": 219
  },
  "luminance": 0.19895
}

Semantic roles & 50–950 ramp

primary

#428497

secondary

#B68B7F

accent

#7359CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428497

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

Preview Lab → · Contrast checker → · Palette generator →