#669CDF#669CDF

#669CDF is a light, moderate cyan. Relative luminance 0.319; OKLCH L 68.3% C 0.115 H 254.5°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#669CDF
RGB	rgb(102, 156, 223)
HSL	hsl(213, 65%, 64%)
HSV	hsv(213, 54%, 87%)
CMYK	cmyk(54.3%, 30%, 0%, 12.5%)
CIE-LAB	lab(63.28, 1.26, -39.42)
CIE-LCH	lch(63.28, 39.44, 271.83°)
OKLab	oklab(68.33% -0.0308 -0.1109)
OKLCH	oklch(68.33% 0.115 254.5)
XYZ	xyz(30.6826, 31.9270, 74.3434)
Luminance	0.3193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CDF #DFA966

analogous

#66D8DF #669CDF #6C66DF

triadic

#669CDF #DF669C #9CDF66

tetradic

#669CDF #DF66D8 #DFA966 #66DF6C

square

#669CDF #DF66D8 #DFA966 #66DF6C

split-complementary

#669CDF #DF6C66 #D8DF66

monochromatic

#235EA8 #337BD4 #669CDF #99BDEA #CBDDF4

Accessibility & contrast

On white

2.84

#669CDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#669CDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CDF

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CDF	#FFFFFF	#000000	##000000
##669CDF	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A0E2

Deuteranopia (green-blind)

#7294DE

Tritanopia (blue-blind)

#18ABB4

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669cdf;
/* rgb */ color: rgb(102, 156, 223);
/* oklch */ color: oklch(68.3% 0.115 254.5);

Tailwind

colors: {
  custom: {
    50: '#99b8e9',
    500: '#669cdf',
    950: '#000000',
  },
}

SCSS

$custom: #669cdf;
$custom-light: #99b8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#669cdf",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 223
  },
  "hsl": {
    "h": 213.223,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68329,
    "c": 0.11508,
    "h": 254.5
  },
  "luminance": 0.31929
}

Semantic roles & 50–950 ramp

primary

#669CDF

secondary

#E6D3BB

accent

#7C18CD

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0F1116

muted

#7E8084

Preview Lab

Preview with #669CDF

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

Preview Lab → · Contrast checker → · Palette generator →