#428395#428395

#428395 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.4% C 0.072 H 218.2°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#428395
RGB	rgb(66, 131, 149)
HSL	hsl(193, 39%, 42%)
HSV	hsv(193, 56%, 58%)
CMYK	cmyk(55.7%, 12.1%, 0%, 41.6%)
CIE-LAB	lab(51.34, -15.40, -16.00)
CIE-LCH	lch(51.34, 22.21, 226.10°)
OKLab	oklab(57.44% -0.0563 -0.0443)
OKLCH	oklch(57.44% 0.072 218.2)
XYZ	xyz(15.7858, 19.5593, 31.3714)
Luminance	0.1956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428395 #955442

analogous

#42957E #428395 #425A95

triadic

#428395 #954283 #839542

tetradic

#428395 #7E4295 #955442 #5A9542

square

#428395 #7E4295 #955442 #5A9542

split-complementary

#428395 #95425A #957E42

monochromatic

#1C3840 #2F5E6B #428395 #5DA4B7 #87BCCA

Accessibility & contrast

On white

4.28

#428395 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#428395 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428395

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428395	#FFFFFF	#000000	##000000
##428395	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)

#778096

Deuteranopia (green-blind)

#6B7695

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428395;
/* rgb */ color: rgb(66, 131, 149);
/* oklch */ color: oklch(57.4% 0.072 218.2);

Tailwind

colors: {
  custom: {
    50: '#7da7b4',
    500: '#428395',
    950: '#000000',
  },
}

SCSS

$custom: #428395;
$custom-light: #7da7b4;
$custom-dark: #000000;

JSON

{
  "hex": "#428395",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 149
  },
  "hsl": {
    "h": 193.012,
    "s": 38.605,
    "l": 42.157
  },
  "oklch": {
    "l": 0.57438,
    "c": 0.07169,
    "h": 218.2
  },
  "luminance": 0.19561
}

Semantic roles & 50–950 ramp

primary

#428395

secondary

#B58A7E

accent

#7359CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428395

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

Preview Lab → · Contrast checker → · Palette generator →