#669FDC#669FDC

#669FDC is a light, moderate cyan. Relative luminance 0.328; OKLCH L 68.8% C 0.109 H 251.2°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#669FDC
RGB	rgb(102, 159, 220)
HSL	hsl(211, 63%, 63%)
HSV	hsv(211, 54%, 86%)
CMYK	cmyk(53.6%, 27.7%, 0%, 13.7%)
CIE-LAB	lab(63.99, -1.37, -36.66)
CIE-LCH	lch(63.99, 36.68, 267.86°)
OKLab	oklab(68.84% -0.035 -0.1029)
OKLCH	oklch(68.84% 0.109 251.2)
XYZ	xyz(30.7913, 32.7859, 72.4020)
Luminance	0.3279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FDC #DCA366

analogous

#66DADC #669FDC #6866DC

triadic

#669FDC #DC669F #9FDC66

tetradic

#669FDC #DC66DA #DCA366 #66DC68

square

#669FDC #DC66DA #DCA366 #66DC68

split-complementary

#669FDC #DC6866 #DADC66

monochromatic

#2562A2 #3480D1 #669FDC #98BEE7 #CADEF3

Accessibility & contrast

On white

2.78

#669FDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#669FDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FDC

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FDC	#FFFFFF	#000000	##000000
##669FDC	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A1DF

Deuteranopia (green-blind)

#7796DB

Tritanopia (blue-blind)

#1DADB4

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #669fdc;
/* rgb */ color: rgb(102, 159, 220);
/* oklch */ color: oklch(68.8% 0.109 251.2);

Tailwind

colors: {
  custom: {
    50: '#99bbe7',
    500: '#669fdc',
    950: '#000000',
  },
}

SCSS

$custom: #669fdc;
$custom-light: #99bbe7;
$custom-dark: #000000;

JSON

{
  "hex": "#669fdc",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 220
  },
  "hsl": {
    "h": 211.017,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.68838,
    "c": 0.10869,
    "h": 251.2
  },
  "luminance": 0.32788
}

Semantic roles & 50–950 ramp

primary

#669FDC

secondary

#E4D0BA

accent

#761BCB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669FDC

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

Preview Lab → · Contrast checker → · Palette generator →