#428697#428697

#428697 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.3% C 0.073 H 216.3°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#428697
RGB	rgb(66, 134, 151)
HSL	hsl(192, 39%, 43%)
HSV	hsv(192, 56%, 59%)
CMYK	cmyk(56.3%, 11.3%, 0%, 40.8%)
CIE-LAB	lab(52.33, -16.43, -15.65)
CIE-LCH	lch(52.33, 22.69, 223.61°)
OKLab	oklab(58.26% -0.059 -0.0433)
OKLCH	oklch(58.26% 0.073 216.3)
XYZ	xyz(16.3556, 20.4413, 32.3558)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428697 #975342

analogous

#42977E #428697 #425B97

triadic

#428697 #974286 #869742

tetradic

#428697 #7E4297 #975342 #5B9742

square

#428697 #7E4297 #975342 #5B9742

split-complementary

#428697 #97425B #977E42

monochromatic

#1D3A42 #2F606C #428697 #5EA6B8 #88BECB

Accessibility & contrast

On white

4.13

#428697 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#428697 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428697

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428697	#FFFFFF	#000000	##000000
##428697	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8298

Deuteranopia (green-blind)

#6E7997

Tritanopia (blue-blind)

#008C8B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428697;
/* rgb */ color: rgb(66, 134, 151);
/* oklch */ color: oklch(58.3% 0.073 216.3);

Tailwind

colors: {
  custom: {
    50: '#7ea9b5',
    500: '#428697',
    950: '#000000',
  },
}

SCSS

$custom: #428697;
$custom-light: #7ea9b5;
$custom-dark: #000000;

JSON

{
  "hex": "#428697",
  "rgb": {
    "r": 66,
    "g": 134,
    "b": 151
  },
  "hsl": {
    "h": 192,
    "s": 39.171,
    "l": 42.549
  },
  "oklch": {
    "l": 0.5826,
    "c": 0.07324,
    "h": 216.3
  },
  "luminance": 0.20443
}

Semantic roles & 50–950 ramp

primary

#428697

secondary

#B68A7F

accent

#7059CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #428697

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

Preview Lab → · Contrast checker → · Palette generator →