#669BDD#669BDD

#669BDD is a light, moderate cyan. Relative luminance 0.315; OKLCH L 68.0% C 0.113 H 254.6°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#669BDD
RGB	rgb(102, 155, 221)
HSL	hsl(213, 64%, 63%)
HSV	hsv(213, 54%, 87%)
CMYK	cmyk(53.8%, 29.9%, 0%, 13.3%)
CIE-LAB	lab(62.92, 1.21, -38.89)
CIE-LCH	lch(62.92, 38.90, 271.79°)
OKLab	oklab(68.01% -0.0302 -0.1093)
OKLCH	oklch(68.01% 0.113 254.6)
XYZ	xyz(30.2474, 31.4855, 72.8760)
Luminance	0.3149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BDD #DDA866

analogous

#66D6DD #669BDD #6C66DD

triadic

#669BDD #DD669B #9BDD66

tetradic

#669BDD #DD66D6 #DDA866 #66DD6C

square

#669BDD #DD66D6 #DDA866 #66DD6C

split-complementary

#669BDD #DD6C66 #D6DD66

monochromatic

#245DA4 #347AD2 #669BDD #98BCE8 #CADCF3

Accessibility & contrast

On white

2.88

#669BDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#669BDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BDD

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BDD	#FFFFFF	#000000	##000000
##669BDD	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809FE0

Deuteranopia (green-blind)

#7193DC

Tritanopia (blue-blind)

#1DAAB2

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #669bdd;
/* rgb */ color: rgb(102, 155, 221);
/* oklch */ color: oklch(68.0% 0.113 254.6);

Tailwind

colors: {
  custom: {
    50: '#99b8e8',
    500: '#669bdd',
    950: '#000000',
  },
}

SCSS

$custom: #669bdd;
$custom-light: #99b8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#669bdd",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 221
  },
  "hsl": {
    "h": 213.277,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.68012,
    "c": 0.11345,
    "h": 254.6
  },
  "luminance": 0.31488
}

Semantic roles & 50–950 ramp

primary

#669BDD

secondary

#E5D2BA

accent

#7C1ACB

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #669BDD

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

Preview Lab → · Contrast checker → · Palette generator →