#428F97#428F97

#428F97 is a mid, moderate teal. Relative luminance 0.230; OKLCH L 60.5% C 0.076 H 204.5°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#428F97
RGB	rgb(66, 143, 151)
HSL	hsl(186, 39%, 43%)
HSV	hsv(186, 56%, 59%)
CMYK	cmyk(56.3%, 5.3%, 0%, 40.8%)
CIE-LAB	lab(55.11, -21.23, -11.45)
CIE-LCH	lch(55.11, 24.12, 208.34°)
OKLab	oklab(60.49% -0.0695 -0.0316)
OKLCH	oklch(60.49% 0.076 204.5)
XYZ	xyz(17.6529, 23.0358, 32.7882)
Luminance	0.2304 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F97 #974A42

analogous

#429774 #428F97 #426497

triadic

#428F97 #97428F #8F9742

tetradic

#428F97 #744297 #974A42 #649742

square

#428F97 #744297 #974A42 #649742

split-complementary

#428F97 #974264 #977442

monochromatic

#1D3E42 #2F676C #428F97 #5EB0B8 #88C5CB

Accessibility & contrast

On white

3.74

#428F97 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#428F97 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F97

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F97	#FFFFFF	#000000	##000000
##428F97	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858A98

Deuteranopia (green-blind)

#778097

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #428f97;
/* rgb */ color: rgb(66, 143, 151);
/* oklch */ color: oklch(60.5% 0.076 204.5);

Tailwind

colors: {
  custom: {
    50: '#7fb0b5',
    500: '#428f97',
    950: '#000000',
  },
}

SCSS

$custom: #428f97;
$custom-light: #7fb0b5;
$custom-dark: #000000;

JSON

{
  "hex": "#428f97",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 151
  },
  "hsl": {
    "h": 185.647,
    "s": 39.171,
    "l": 42.549
  },
  "oklch": {
    "l": 0.60489,
    "c": 0.07636,
    "h": 204.5
  },
  "luminance": 0.23038
}

Semantic roles & 50–950 ramp

primary

#428F97

secondary

#B6847F

accent

#6459CF

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1011

muted

#7C7F80

Preview Lab

Preview with #428F97

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

Preview Lab → · Contrast checker → · Palette generator →