#428B99#428B99

#428B99 is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.6% C 0.075 H 211.8°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#428B99
RGB	rgb(66, 139, 153)
HSL	hsl(190, 40%, 43%)
HSV	hsv(190, 57%, 60%)
CMYK	cmyk(56.9%, 9.2%, 0%, 40%)
CIE-LAB	lab(53.94, -18.52, -14.36)
CIE-LCH	lch(53.94, 23.44, 217.79°)
OKLab	oklab(59.58% -0.064 -0.0398)
OKLCH	oklch(59.58% 0.075 211.8)
XYZ	xyz(17.2269, 21.9218, 33.4543)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B99 #995042

analogous

#42997B #428B99 #425F99

triadic

#428B99 #99428B #8B9942

tetradic

#428B99 #7B4299 #995042 #5F9942

square

#428B99 #7B4299 #995042 #5F9942

split-complementary

#428B99 #99425F #997B42

monochromatic

#1D3D43 #30646E #428B99 #5EABBA #89C1CC

Accessibility & contrast

On white

3.90

#428B99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#428B99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B99

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B99	#FFFFFF	#000000	##000000
##428B99	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80879A

Deuteranopia (green-blind)

#727D99

Tritanopia (blue-blind)

#00918F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #428b99;
/* rgb */ color: rgb(66, 139, 153);
/* oklch */ color: oklch(59.6% 0.075 211.8);

Tailwind

colors: {
  custom: {
    50: '#7eadb7',
    500: '#428b99',
    950: '#000000',
  },
}

SCSS

$custom: #428b99;
$custom-light: #7eadb7;
$custom-dark: #000000;

JSON

{
  "hex": "#428b99",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 153
  },
  "hsl": {
    "h": 189.655,
    "s": 39.726,
    "l": 42.941
  },
  "oklch": {
    "l": 0.59575,
    "c": 0.07536,
    "h": 211.8
  },
  "luminance": 0.21923
}

Semantic roles & 50–950 ramp

primary

#428B99

secondary

#B78980

accent

#6B58D0

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #428B99

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

Preview Lab → · Contrast checker → · Palette generator →