#428394#428394

#428394 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.4% C 0.071 H 217.1°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#428394
RGB	rgb(66, 131, 148)
HSL	hsl(192, 38%, 42%)
HSV	hsv(192, 55%, 58%)
CMYK	cmyk(55.4%, 11.5%, 0%, 42%)
CIE-LAB	lab(51.30, -15.70, -15.47)
CIE-LCH	lch(51.30, 22.05, 224.58°)
OKLab	oklab(57.4% -0.0567 -0.0428)
OKLCH	oklch(57.4% 0.071 217.1)
XYZ	xyz(15.7063, 19.5275, 30.9527)
Luminance	0.1953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428394 #945342

analogous

#42947C #428394 #425A94

triadic

#428394 #944283 #839442

tetradic

#428394 #7C4294 #945342 #5A9442

square

#428394 #7C4294 #945342 #5A9442

split-complementary

#428394 #94425A #947C42

monochromatic

#1C383F #2F5E6A #428394 #5DA4B7 #87BCC9

Accessibility & contrast

On white

4.28

#428394 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#428394 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428394

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428394	#FFFFFF	#000000	##000000
##428394	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788095

Deuteranopia (green-blind)

#6B7694

Tritanopia (blue-blind)

#008988

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428394;
/* rgb */ color: rgb(66, 131, 148);
/* oklch */ color: oklch(57.4% 0.071 217.1);

Tailwind

colors: {
  custom: {
    50: '#7da7b3',
    500: '#428394',
    950: '#000000',
  },
}

SCSS

$custom: #428394;
$custom-light: #7da7b3;
$custom-dark: #000000;

JSON

{
  "hex": "#428394",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 148
  },
  "hsl": {
    "h": 192.439,
    "s": 38.318,
    "l": 41.961
  },
  "oklch": {
    "l": 0.57397,
    "c": 0.07111,
    "h": 217.1
  },
  "luminance": 0.19529
}

Semantic roles & 50–950 ramp

primary

#428394

secondary

#B4897E

accent

#725ACE

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428394

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

Preview Lab → · Contrast checker → · Palette generator →