#428E9D#428E9D

#428E9D is a mid, moderate teal. Relative luminance 0.229; OKLCH L 60.5% C 0.078 H 212.4°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#428E9D
RGB	rgb(66, 142, 157)
HSL	hsl(190, 41%, 44%)
HSV	hsv(190, 58%, 62%)
CMYK	cmyk(58%, 9.6%, 0%, 38.4%)
CIE-LAB	lab(55.01, -18.92, -15.06)
CIE-LCH	lch(55.01, 24.18, 218.52°)
OKLab	oklab(60.48% -0.0658 -0.0417)
OKLCH	oklch(60.48% 0.078 212.4)
XYZ	xyz(18.0031, 22.9368, 35.3702)
Luminance	0.2294 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E9D #9D5142

analogous

#429D7E #428E9D #42609D

triadic

#428E9D #9D428E #8E9D42

tetradic

#428E9D #7E429D #9D5142 #609D42

square

#428E9D #7E429D #9D5142 #609D42

split-complementary

#428E9D #9D4260 #9D7E42

monochromatic

#1E4047 #306772 #428E9D #60ADBC #8BC3CE

Accessibility & contrast

On white

3.76

#428E9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#428E9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E9D

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E9D	#FFFFFF	#000000	##000000
##428E9D	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828A9E

Deuteranopia (green-blind)

#747F9D

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #428e9d;
/* rgb */ color: rgb(66, 142, 157);
/* oklch */ color: oklch(60.5% 0.078 212.4);

Tailwind

colors: {
  custom: {
    50: '#7fafba',
    500: '#428e9d',
    950: '#000000',
  },
}

SCSS

$custom: #428e9d;
$custom-light: #7fafba;
$custom-dark: #000000;

JSON

{
  "hex": "#428e9d",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 157
  },
  "hsl": {
    "h": 189.89,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.60475,
    "c": 0.07789,
    "h": 212.4
  },
  "luminance": 0.22939
}

Semantic roles & 50–950 ramp

primary

#428E9D

secondary

#B98B82

accent

#6B57D1

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #428E9D

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

Preview Lab → · Contrast checker → · Palette generator →