#66AEE8#66AEE8

#66AEE8 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.7% C 0.112 H 244.5°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#66AEE8
RGB	rgb(102, 174, 232)
HSL	hsl(207, 74%, 65%)
HSV	hsv(207, 56%, 91%)
CMYK	cmyk(56%, 25%, 0%, 9%)
CIE-LAB	lab(68.69, -6.08, -35.93)
CIE-LCH	lch(68.69, 36.44, 260.40°)
OKLab	oklab(72.71% -0.048 -0.1007)
OKLCH	oklch(72.71% 0.112 244.5)
XYZ	xyz(35.1757, 38.9200, 81.9869)
Luminance	0.3892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AEE8 #E8A066

analogous

#66E8E1 #66AEE8 #666DE8

triadic

#66AEE8 #E866AE #AEE866

tetradic

#66AEE8 #E166E8 #E8A066 #6DE866

square

#66AEE8 #E166E8 #E8A066 #6DE866

split-complementary

#66AEE8 #E8666D #E8E166

monochromatic

#1C72B8 #3192E0 #66AEE8 #9BCAF0 #D0E6F8

Accessibility & contrast

On white

2.39

#66AEE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#66AEE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AEE8

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AEE8	#FFFFFF	#000000	##000000
##66AEE8	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95AFEB

Deuteranopia (green-blind)

#84A2E7

Tritanopia (blue-blind)

#00BCC2

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66aee8;
/* rgb */ color: rgb(102, 174, 232);
/* oklch */ color: oklch(72.7% 0.112 244.5);

Tailwind

colors: {
  custom: {
    50: '#9bc6ef',
    500: '#66aee8',
    950: '#000000',
  },
}

SCSS

$custom: #66aee8;
$custom-light: #9bc6ef;
$custom-dark: #000000;

JSON

{
  "hex": "#66aee8",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 232
  },
  "hsl": {
    "h": 206.769,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.7271,
    "c": 0.11159,
    "h": 244.5
  },
  "luminance": 0.38923
}

Semantic roles & 50–950 ramp

primary

#66AEE8

secondary

#EBD3BF

accent

#6810D6

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #66AEE8

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

Preview Lab → · Contrast checker → · Palette generator →