#428798#428798

#428798 is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 58.5% C 0.074 H 216.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#428798
RGB	rgb(66, 135, 152)
HSL	hsl(192, 39%, 43%)
HSV	hsv(192, 57%, 60%)
CMYK	cmyk(56.6%, 11.2%, 0%, 40.4%)
CIE-LAB	lab(52.68, -16.67, -15.71)
CIE-LCH	lch(52.68, 22.90, 223.30°)
OKLab	oklab(58.55% -0.0598 -0.0435)
OKLCH	oklch(58.55% 0.074 216)
XYZ	xyz(16.5760, 20.7516, 32.8316)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428798 #985342

analogous

#42987E #428798 #425C98

triadic

#428798 #984287 #879842

tetradic

#428798 #7E4298 #985342 #5C9842

square

#428798 #7E4298 #985342 #5C9842

split-complementary

#428798 #98425C #987E42

monochromatic

#1D3B43 #2F616D #428798 #5EA7B9 #89BECC

Accessibility & contrast

On white

4.08

#428798 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#428798 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428798

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428798	#FFFFFF	#000000	##000000
##428798	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8399

Deuteranopia (green-blind)

#6E7A98

Tritanopia (blue-blind)

#008D8C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428798;
/* rgb */ color: rgb(66, 135, 152);
/* oklch */ color: oklch(58.5% 0.074 216.0);

Tailwind

colors: {
  custom: {
    50: '#7eaab6',
    500: '#428798',
    950: '#000000',
  },
}

SCSS

$custom: #428798;
$custom-light: #7eaab6;
$custom-dark: #000000;

JSON

{
  "hex": "#428798",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 152
  },
  "hsl": {
    "h": 191.86,
    "s": 39.45,
    "l": 42.745
  },
  "oklch": {
    "l": 0.58548,
    "c": 0.07395,
    "h": 216
  },
  "luminance": 0.20753
}

Semantic roles & 50–950 ramp

primary

#428798

secondary

#B78A7F

accent

#7058CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A1011

muted

#7C7F80

Preview Lab

Preview with #428798

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

Preview Lab → · Contrast checker → · Palette generator →