#428299#428299

#428299 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.4% C 0.074 H 223.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#428299
RGB	rgb(66, 130, 153)
HSL	hsl(196, 40%, 43%)
HSV	hsv(196, 57%, 60%)
CMYK	cmyk(56.9%, 15%, 0%, 40%)
CIE-LAB	lab(51.18, -13.61, -18.57)
CIE-LCH	lch(51.18, 23.03, 233.76°)
OKLab	oklab(57.36% -0.0535 -0.0516)
OKLCH	oklch(57.36% 0.074 223.9)
XYZ	xyz(15.9770, 19.4220, 33.0377)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428299 #995942

analogous

#429984 #428299 #425699

triadic

#428299 #994282 #829942

tetradic

#428299 #844299 #995942 #569942

square

#428299 #844299 #995942 #569942

split-complementary

#428299 #994256 #998442

monochromatic

#1D3943 #305E6E #428299 #5EA2BA #89BACC

Accessibility & contrast

On white

4.30

#428299 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#428299 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428299

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428299	#FFFFFF	#000000	##000000
##428299	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757F9A

Deuteranopia (green-blind)

#687699

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428299;
/* rgb */ color: rgb(66, 130, 153);
/* oklch */ color: oklch(57.4% 0.074 223.9);

Tailwind

colors: {
  custom: {
    50: '#7ea6b7',
    500: '#428299',
    950: '#000000',
  },
}

SCSS

$custom: #428299;
$custom-light: #7ea6b7;
$custom-dark: #000000;

JSON

{
  "hex": "#428299",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 153
  },
  "hsl": {
    "h": 195.862,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.57361,
    "c": 0.07435,
    "h": 223.9
  },
  "luminance": 0.19423
}

Semantic roles & 50–950 ramp

primary

#428299

secondary

#B78E80

accent

#7858D0

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #428299

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

Preview Lab → · Contrast checker → · Palette generator →