#669EC4#669EC4

#669EC4 is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.5% C 0.082 H 239.3°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#669EC4
RGB	rgb(102, 158, 196)
HSL	hsl(204, 44%, 58%)
HSV	hsv(204, 48%, 77%)
CMYK	cmyk(48%, 19.4%, 0%, 23.1%)
CIE-LAB	lab(62.73, -7.98, -25.25)
CIE-LCH	lch(62.73, 26.48, 252.47°)
OKLab	oklab(67.52% -0.0417 -0.0702)
OKLCH	oklch(67.52% 0.082 239.3)
XYZ	xyz(27.6666, 31.2620, 56.7901)
Luminance	0.3126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EC4 #C48C66

analogous

#66C4BB #669EC4 #666FC4

triadic

#669EC4 #C4669E #9EC466

tetradic

#669EC4 #BB66C4 #C48C66 #6FC466

square

#669EC4 #BB66C4 #C48C66 #6FC466

split-complementary

#669EC4 #C4666F #C4BB66

monochromatic

#315F7F #4280AB #669EC4 #92BAD5 #BED6E6

Accessibility & contrast

On white

2.90

#669EC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#669EC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EC4

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EC4	#FFFFFF	#000000	##000000
##669EC4	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9DC6

Deuteranopia (green-blind)

#8093C3

Tritanopia (blue-blind)

#3AA8AB

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #669ec4;
/* rgb */ color: rgb(102, 158, 196);
/* oklch */ color: oklch(67.5% 0.082 239.3);

Tailwind

colors: {
  custom: {
    50: '#97bad6',
    500: '#669ec4',
    950: '#000000',
  },
}

SCSS

$custom: #669ec4;
$custom-light: #97bad6;
$custom-dark: #000000;

JSON

{
  "hex": "#669ec4",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 196
  },
  "hsl": {
    "h": 204.255,
    "s": 44.34,
    "l": 58.431
  },
  "oklch": {
    "l": 0.67524,
    "c": 0.08163,
    "h": 239.3
  },
  "luminance": 0.31264
}

Semantic roles & 50–950 ramp

primary

#669EC4

secondary

#D6BFB0

accent

#8854D4

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0E1114

muted

#7E8083

Preview Lab

Preview with #669EC4

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

Preview Lab → · Contrast checker → · Palette generator →