#428593#428593

#428593 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 57.9% C 0.071 H 213.1°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#428593
RGB	rgb(66, 133, 147)
HSL	hsl(190, 38%, 42%)
HSV	hsv(190, 55%, 58%)
CMYK	cmyk(55.1%, 9.5%, 0%, 42.4%)
CIE-LAB	lab(51.88, -17.10, -14.01)
CIE-LCH	lch(51.88, 22.10, 219.33°)
OKLab	oklab(57.85% -0.0595 -0.0387)
OKLCH	oklch(57.85% 0.071 213.1)
XYZ	xyz(15.8987, 20.0384, 30.6281)
Luminance	0.2004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428593 #935042

analogous

#429379 #428593 #425D93

triadic

#428593 #934285 #859342

tetradic

#428593 #794293 #935042 #5D9342

square

#428593 #794293 #935042 #5D9342

split-complementary

#428593 #93425D #937942

monochromatic

#1C393F #2F5F69 #428593 #5CA6B6 #87BDC9

Accessibility & contrast

On white

4.19

#428593 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#428593 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428593

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428593	#FFFFFF	#000000	##000000
##428593	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8194

Deuteranopia (green-blind)

#6E7893

Tritanopia (blue-blind)

#008B89

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428593;
/* rgb */ color: rgb(66, 133, 147);
/* oklch */ color: oklch(57.9% 0.071 213.1);

Tailwind

colors: {
  custom: {
    50: '#7da8b2',
    500: '#428593',
    950: '#000000',
  },
}

SCSS

$custom: #428593;
$custom-light: #7da8b2;
$custom-dark: #000000;

JSON

{
  "hex": "#428593",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 147
  },
  "hsl": {
    "h": 190.37,
    "s": 38.028,
    "l": 41.765
  },
  "oklch": {
    "l": 0.57851,
    "c": 0.07103,
    "h": 213.1
  },
  "luminance": 0.2004
}

Semantic roles & 50–950 ramp

primary

#428593

secondary

#B4877D

accent

#6E5ACE

background

#F8FAFA

surface

#EFF4F5

border

#CACECF

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428593

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

Preview Lab → · Contrast checker → · Palette generator →