#428498#428498

#428498 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.8% C 0.074 H 220.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#428498
RGB	rgb(66, 132, 152)
HSL	hsl(194, 39%, 43%)
HSV	hsv(194, 57%, 60%)
CMYK	cmyk(56.6%, 13.2%, 0%, 40.4%)
CIE-LAB	lab(51.75, -15.03, -17.11)
CIE-LCH	lch(51.75, 22.77, 228.70°)
OKLab	oklab(57.81% -0.0563 -0.0475)
OKLCH	oklch(57.81% 0.074 220.1)
XYZ	xyz(16.1633, 19.9263, 32.6940)
Luminance	0.1993 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428498 #985642

analogous

#429881 #428498 #425998

triadic

#428498 #984284 #849842

tetradic

#428498 #814298 #985642 #599842

square

#428498 #814298 #985642 #599842

split-complementary

#428498 #984259 #988142

monochromatic

#1D3A43 #2F5F6D #428498 #5EA4B9 #89BCCC

Accessibility & contrast

On white

4.21

#428498 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#428498 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428498

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428498	#FFFFFF	#000000	##000000
##428498	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788199

Deuteranopia (green-blind)

#6B7798

Tritanopia (blue-blind)

#008B8A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428498;
/* rgb */ color: rgb(66, 132, 152);
/* oklch */ color: oklch(57.8% 0.074 220.1);

Tailwind

colors: {
  custom: {
    50: '#7ea7b6',
    500: '#428498',
    950: '#000000',
  },
}

SCSS

$custom: #428498;
$custom-light: #7ea7b6;
$custom-dark: #000000;

JSON

{
  "hex": "#428498",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 152
  },
  "hsl": {
    "h": 193.953,
    "s": 39.45,
    "l": 42.745
  },
  "oklch": {
    "l": 0.57809,
    "c": 0.07362,
    "h": 220.1
  },
  "luminance": 0.19928
}

Semantic roles & 50–950 ramp

primary

#428498

secondary

#B78C7F

accent

#7458CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428498

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

Preview Lab → · Contrast checker → · Palette generator →