#66A2D9#66A2D9

#66A2D9 is a light, moderate cyan. Relative luminance 0.337; OKLCH L 69.4% C 0.103 H 247.5°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#66A2D9
RGB	rgb(102, 162, 217)
HSL	hsl(209, 60%, 63%)
HSV	hsv(209, 53%, 85%)
CMYK	cmyk(53%, 25.3%, 0%, 14.9%)
CIE-LAB	lab(64.70, -3.98, -33.88)
CIE-LCH	lch(64.70, 34.12, 263.31°)
OKLab	oklab(69.36% -0.0394 -0.0949)
OKLCH	oklch(69.36% 0.103 247.5)
XYZ	xyz(30.9198, 33.6727, 70.5023)
Luminance	0.3367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A2D9 #D99D66

analogous

#66D9D7 #66A2D9 #6668D9

triadic

#66A2D9 #D966A2 #A2D966

tetradic

#66A2D9 #D766D9 #D99D66 #68D966

square

#66A2D9 #D766D9 #D99D66 #68D966

split-complementary

#66A2D9 #D96668 #D9D766

monochromatic

#27659D #3584CD #66A2D9 #97C0E5 #C8DEF1

Accessibility & contrast

On white

2.71

#66A2D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#66A2D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2D9

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A2D9	#FFFFFF	#000000	##000000
##66A2D9	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BA3DC

Deuteranopia (green-blind)

#7C98D8

Tritanopia (blue-blind)

#21AFB5

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66a2d9;
/* rgb */ color: rgb(102, 162, 217);
/* oklch */ color: oklch(69.4% 0.103 247.5);

Tailwind

colors: {
  custom: {
    50: '#99bde5',
    500: '#66a2d9',
    950: '#000000',
  },
}

SCSS

$custom: #66a2d9;
$custom-light: #99bde5;
$custom-dark: #000000;

JSON

{
  "hex": "#66a2d9",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 217
  },
  "hsl": {
    "h": 208.696,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.69359,
    "c": 0.10272,
    "h": 247.5
  },
  "luminance": 0.33675
}

Semantic roles & 50–950 ramp

primary

#66A2D9

secondary

#E2CCB8

accent

#6F1EC8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1215

muted

#7E8184

Preview Lab

Preview with #66A2D9

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

Preview Lab → · Contrast checker → · Palette generator →