#66EAF8#66EAF8

#66EAF8 is a very light, moderate teal. Relative luminance 0.684; OKLCH L 86.9% C 0.116 H 204.8°. Best body text is #000000 at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#66EAF8
RGB	rgb(102, 234, 248)
HSL	hsl(186, 91%, 69%)
HSV	hsv(186, 59%, 97%)
CMYK	cmyk(58.9%, 5.6%, 0%, 2.7%)
CIE-LAB	lab(86.23, -32.12, -17.68)
CIE-LCH	lch(86.23, 36.66, 208.83°)
OKLab	oklab(86.9% -0.1057 -0.0489)
OKLCH	oklch(86.9% 0.116 204.8)
XYZ	xyz(51.8385, 68.4424, 99.2675)
Luminance	0.6845 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EAF8 #F87466

analogous

#66F8BD #66EAF8 #66A1F8

triadic

#66EAF8 #F866EA #EAF866

tetradic

#66EAF8 #BD66F8 #F87466 #A1F866

square

#66EAF8 #BD66F8 #F87466 #A1F866

split-complementary

#66EAF8 #F866A1 #F8BD66

monochromatic

#0AC6DA #2BE2F5 #66EAF8 #A1F2FB #DBFAFD

Accessibility & contrast

On white

1.43

#66EAF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.69

#66EAF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EAF8

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EAF8	#FFFFFF	#000000	##000000
##66EAF8	1.00	1.43	14.69	14.69
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.69	21.00	1.00	1.00
##000000	14.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9E1F9

Deuteranopia (green-blind)

#C3D1F9

Tritanopia (blue-blind)

#00F3EE

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66eaf8;
/* rgb */ color: rgb(102, 234, 248);
/* oklch */ color: oklch(86.9% 0.116 204.8);

Tailwind

colors: {
  custom: {
    50: '#9ff1fa',
    500: '#66eaf8',
    950: '#000000',
  },
}

SCSS

$custom: #66eaf8;
$custom-light: #9ff1fa;
$custom-dark: #000000;

JSON

{
  "hex": "#66eaf8",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 248
  },
  "hsl": {
    "h": 185.753,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.86896,
    "c": 0.11648,
    "h": 204.8
  },
  "luminance": 0.68448
}

Semantic roles & 50–950 ramp

primary

#66EAF8

secondary

#D24031

accent

#1600E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66EAF8

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

Preview Lab → · Contrast checker → · Palette generator →