#669DD9#669DD9

#669DD9 is a light, moderate cyan. Relative luminance 0.319; OKLCH L 68.3% C 0.107 H 251.6°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#669DD9
RGB	rgb(102, 157, 217)
HSL	hsl(211, 60%, 63%)
HSV	hsv(211, 53%, 85%)
CMYK	cmyk(53%, 27.6%, 0%, 14.9%)
CIE-LAB	lab(63.30, -1.16, -36.07)
CIE-LCH	lch(63.30, 36.09, 268.16°)
OKLab	oklab(68.26% -0.0337 -0.1012)
OKLCH	oklch(68.26% 0.107 251.6)
XYZ	xyz(30.0565, 31.9461, 70.2145)
Luminance	0.3195 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DD9 #D9A266

analogous

#66D7D9 #669DD9 #6866D9

triadic

#669DD9 #D9669D #9DD966

tetradic

#669DD9 #D966D7 #D9A266 #66D968

square

#669DD9 #D966D7 #D9A266 #66D968

split-complementary

#669DD9 #D96866 #D7D966

monochromatic

#27609D #357ECD #669DD9 #97BCE5 #C8DCF1

Accessibility & contrast

On white

2.84

#669DD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#669DD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DD9

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DD9	#FFFFFF	#000000	##000000
##669DD9	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)

#85A0DC

Deuteranopia (green-blind)

#7694D8

Tritanopia (blue-blind)

#23ABB2

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669dd9;
/* rgb */ color: rgb(102, 157, 217);
/* oklch */ color: oklch(68.3% 0.107 251.6);

Tailwind

colors: {
  custom: {
    50: '#99b9e5',
    500: '#669dd9',
    950: '#000000',
  },
}

SCSS

$custom: #669dd9;
$custom-light: #99b9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#669dd9",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 217
  },
  "hsl": {
    "h": 211.304,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.68255,
    "c": 0.10665,
    "h": 251.6
  },
  "luminance": 0.31948
}

Semantic roles & 50–950 ramp

primary

#669DD9

secondary

#E2CEB8

accent

#761EC8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1115

muted

#7E8084

Preview Lab

Preview with #669DD9

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

Preview Lab → · Contrast checker → · Palette generator →