#66A2DD#66A2DD

#66A2DD is a light, moderate cyan. Relative luminance 0.339; OKLCH L 69.5% C 0.107 H 249.2°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#66A2DD
RGB	rgb(102, 162, 221)
HSL	hsl(210, 64%, 63%)
HSV	hsv(210, 54%, 87%)
CMYK	cmyk(53.8%, 26.7%, 0%, 13.3%)
CIE-LAB	lab(64.87, -2.76, -35.83)
CIE-LCH	lch(64.87, 35.94, 265.60°)
OKLab	oklab(69.55% -0.0381 -0.1005)
OKLCH	oklch(69.55% 0.107 249.2)
XYZ	xyz(31.4463, 33.8833, 73.2756)
Luminance	0.3389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A2DD #DDA166

analogous

#66DDDC #66A2DD #6666DD

triadic

#66A2DD #DD66A2 #A2DD66

tetradic

#66A2DD #DC66DD #DDA166 #66DD66

square

#66A2DD #DC66DD #DDA166 #66DD66

split-complementary

#66A2DD #DD6666 #DDDC66

monochromatic

#2465A4 #3484D2 #66A2DD #98C0E8 #CADFF3

Accessibility & contrast

On white

2.70

#66A2DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#66A2DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2DD

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A2DD	#FFFFFF	#000000	##000000
##66A2DD	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AA4E0

Deuteranopia (green-blind)

#7A98DC

Tritanopia (blue-blind)

#19B0B6

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66a2dd;
/* rgb */ color: rgb(102, 162, 221);
/* oklch */ color: oklch(69.5% 0.107 249.2);

Tailwind

colors: {
  custom: {
    50: '#99bde7',
    500: '#66a2dd',
    950: '#000000',
  },
}

SCSS

$custom: #66a2dd;
$custom-light: #99bde7;
$custom-dark: #000000;

JSON

{
  "hex": "#66a2dd",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 221
  },
  "hsl": {
    "h": 209.748,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.69546,
    "c": 0.10749,
    "h": 249.2
  },
  "luminance": 0.33886
}

Semantic roles & 50–950 ramp

primary

#66A2DD

secondary

#E5CFBA

accent

#721ACB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #66A2DD

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

Preview Lab → · Contrast checker → · Palette generator →