#66EAF3#66EAF3

#66EAF3 is a very light, moderate teal. Relative luminance 0.681; OKLCH L 86.7% C 0.116 H 201.4°. Best body text is #000000 at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#66EAF3
RGB	rgb(102, 234, 243)
HSL	hsl(184, 85%, 68%)
HSV	hsv(184, 58%, 95%)
CMYK	cmyk(58%, 3.7%, 0%, 4.7%)
CIE-LAB	lab(86.07, -33.48, -15.28)
CIE-LCH	lch(86.07, 36.80, 204.53°)
OKLab	oklab(86.72% -0.1077 -0.0423)
OKLCH	oklch(86.72% 0.116 201.4)
XYZ	xyz(51.0732, 68.1363, 95.2367)
Luminance	0.6814 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EAF3 #F36F66

analogous

#66F3B6 #66EAF3 #66A3F3

triadic

#66EAF3 #F366EA #EAF366

tetradic

#66EAF3 #B666F3 #F36F66 #A3F366

square

#66EAF3 #B666F3 #F36F66 #A3F366

split-complementary

#66EAF3 #F366A3 #F3B666

monochromatic

#10C2CE #2DE2EF #66EAF3 #9FF2F7 #D7FAFC

Accessibility & contrast

On white

1.44

#66EAF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.63

#66EAF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EAF3

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EAF3	#FFFFFF	#000000	##000000
##66EAF3	1.00	1.44	14.63	14.63
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.63	21.00	1.00	1.00
##000000	14.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAE1F4

Deuteranopia (green-blind)

#C4D0F4

Tritanopia (blue-blind)

#00F2EC

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66eaf3;
/* rgb */ color: rgb(102, 234, 243);
/* oklch */ color: oklch(86.7% 0.116 201.4);

Tailwind

colors: {
  custom: {
    50: '#9ff1f7',
    500: '#66eaf3',
    950: '#000000',
  },
}

SCSS

$custom: #66eaf3;
$custom-light: #9ff1f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66eaf3",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 243
  },
  "hsl": {
    "h": 183.83,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.86722,
    "c": 0.11571,
    "h": 201.4
  },
  "luminance": 0.68141
}

Semantic roles & 50–950 ramp

primary

#66EAF3

secondary

#CA3D33

accent

#1204E2

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101617

muted

#818585

Preview Lab

Preview with #66EAF3

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

Preview Lab → · Contrast checker → · Palette generator →