#66ABE1#66ABE1

#66ABE1 is a light, moderate cyan. Relative luminance 0.374; OKLCH L 71.7% C 0.106 H 243.6°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#66ABE1
RGB	rgb(102, 171, 225)
HSL	hsl(206, 67%, 64%)
HSV	hsv(206, 55%, 88%)
CMYK	cmyk(54.7%, 24%, 0%, 11.8%)
CIE-LAB	lab(67.56, -6.55, -33.85)
CIE-LCH	lch(67.56, 34.48, 259.04°)
OKLab	oklab(71.72% -0.047 -0.0947)
OKLCH	oklch(71.72% 0.106 243.6)
XYZ	xyz(33.6281, 37.3840, 76.6633)
Luminance	0.3739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ABE1 #E19C66

analogous

#66E1D9 #66ABE1 #666EE1

triadic

#66ABE1 #E166AB #ABE166

tetradic

#66ABE1 #D966E1 #E19C66 #6EE166

square

#66ABE1 #D966E1 #E19C66 #6EE166

split-complementary

#66ABE1 #E1666E #E1D966

monochromatic

#226FAB #338FD7 #66ABE1 #99C7EB #CCE3F5

Accessibility & contrast

On white

2.48

#66ABE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#66ABE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABE1

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ABE1	#FFFFFF	#000000	##000000
##66ABE1	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94ACE4

Deuteranopia (green-blind)

#839FE0

Tritanopia (blue-blind)

#03B8BD

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #66abe1;
/* rgb */ color: rgb(102, 171, 225);
/* oklch */ color: oklch(71.7% 0.106 243.6);

Tailwind

colors: {
  custom: {
    50: '#9ac3ea',
    500: '#66abe1',
    950: '#000000',
  },
}

SCSS

$custom: #66abe1;
$custom-light: #9ac3ea;
$custom-dark: #000000;

JSON

{
  "hex": "#66abe1",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 225
  },
  "hsl": {
    "h": 206.341,
    "s": 67.213,
    "l": 64.118
  },
  "oklch": {
    "l": 0.71724,
    "c": 0.10574,
    "h": 243.6
  },
  "luminance": 0.37387
}

Semantic roles & 50–950 ramp

primary

#66ABE1

secondary

#E7CFBC

accent

#6716CF

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #66ABE1

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

Preview Lab → · Contrast checker → · Palette generator →