#669BD9#669BD9

#669BD9 is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.8% C 0.108 H 253.2°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#669BD9
RGB	rgb(102, 155, 217)
HSL	hsl(212, 60%, 63%)
HSV	hsv(212, 53%, 85%)
CMYK	cmyk(53%, 28.6%, 0%, 14.9%)
CIE-LAB	lab(62.74, -0.02, -36.94)
CIE-LCH	lch(62.74, 36.94, 269.97°)
OKLab	oklab(67.82% -0.0314 -0.1037)
OKLCH	oklch(67.82% 0.108 253.2)
XYZ	xyz(29.7208, 31.2749, 70.1027)
Luminance	0.3128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BD9 #D9A466

analogous

#66D4D9 #669BD9 #6B66D9

triadic

#669BD9 #D9669B #9BD966

tetradic

#669BD9 #D966D4 #D9A466 #66D96B

square

#669BD9 #D966D4 #D9A466 #66D96B

split-complementary

#669BD9 #D96B66 #D4D966

monochromatic

#275E9D #357BCD #669BD9 #97BBE5 #C8DBF1

Accessibility & contrast

On white

2.89

#669BD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#669BD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BD9

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BD9	#FFFFFF	#000000	##000000
##669BD9	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829EDC

Deuteranopia (green-blind)

#7393D8

Tritanopia (blue-blind)

#24A9B1

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #669bd9;
/* rgb */ color: rgb(102, 155, 217);
/* oklch */ color: oklch(67.8% 0.108 253.2);

Tailwind

colors: {
  custom: {
    50: '#99b8e5',
    500: '#669bd9',
    950: '#000000',
  },
}

SCSS

$custom: #669bd9;
$custom-light: #99b8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#669bd9",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 217
  },
  "hsl": {
    "h": 212.348,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.67816,
    "c": 0.10837,
    "h": 253.2
  },
  "luminance": 0.31277
}

Semantic roles & 50–950 ramp

primary

#669BD9

secondary

#E2CFB8

accent

#791EC8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1115

muted

#7E8084

Preview Lab

Preview with #669BD9

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

Preview Lab → · Contrast checker → · Palette generator →