#669CD0#669CD0

#669CD0 is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.6% C 0.096 H 248.5°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#669CD0
RGB	rgb(102, 156, 208)
HSL	hsl(209, 53%, 61%)
HSV	hsv(209, 51%, 82%)
CMYK	cmyk(51%, 25%, 0%, 18.4%)
CIE-LAB	lab(62.64, -3.32, -32.09)
CIE-LCH	lch(62.64, 32.26, 264.09°)
OKLab	oklab(67.61% -0.0353 -0.0897)
OKLCH	oklch(67.61% 0.096 248.5)
XYZ	xyz(28.7491, 31.1536, 64.1606)
Luminance	0.3116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CD0 #D09A66

analogous

#66D0CF #669CD0 #6667D0

triadic

#669CD0 #D0669C #9CD066

tetradic

#669CD0 #CF66D0 #D09A66 #67D066

square

#669CD0 #CF66D0 #D09A66 #67D066

split-complementary

#669CD0 #D06667 #D0CF66

monochromatic

#2C5F90 #3A7EBE #669CD0 #95BADE #C4D9ED

Accessibility & contrast

On white

2.90

#669CD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#669CD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CD0

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CD0	#FFFFFF	#000000	##000000
##669CD0	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879DD2

Deuteranopia (green-blind)

#7993CF

Tritanopia (blue-blind)

#2FA8AE

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669cd0;
/* rgb */ color: rgb(102, 156, 208);
/* oklch */ color: oklch(67.6% 0.096 248.5);

Tailwind

colors: {
  custom: {
    50: '#98b9de',
    500: '#669cd0',
    950: '#000000',
  },
}

SCSS

$custom: #669cd0;
$custom-light: #98b9de;
$custom-dark: #000000;

JSON

{
  "hex": "#669cd0",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 208
  },
  "hsl": {
    "h": 209.434,
    "s": 53,
    "l": 60.784
  },
  "oklch": {
    "l": 0.6761,
    "c": 0.09643,
    "h": 248.5
  },
  "luminance": 0.31156
}

Semantic roles & 50–950 ramp

primary

#669CD0

secondary

#DDC9B5

accent

#7125C0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669CD0

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

Preview Lab → · Contrast checker → · Palette generator →