#669ECB#669ECB

#669ECB is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.8% C 0.089 H 243.9°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#669ECB
RGB	rgb(102, 158, 203)
HSL	hsl(207, 49%, 60%)
HSV	hsv(207, 50%, 80%)
CMYK	cmyk(49.8%, 22.2%, 0%, 20.4%)
CIE-LAB	lab(63.00, -5.93, -28.74)
CIE-LCH	lch(63.00, 29.35, 258.34°)
OKLab	oklab(67.83% -0.0393 -0.0801)
OKLCH	oklch(67.83% 0.089 243.9)
XYZ	xyz(28.4820, 31.5881, 61.0846)
Luminance	0.3159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669ECB #CB9366

analogous

#66CBC6 #669ECB #666CCB

triadic

#669ECB #CB669E #9ECB66

tetradic

#669ECB #C666CB #CB9366 #6CCB66

square

#669ECB #C666CB #CB9366 #6CCB66

split-complementary

#669ECB #CB666C #CBC666

monochromatic

#2E6088 #3E80B6 #669ECB #94BBDB #C1D8EA

Accessibility & contrast

On white

2.87

#669ECB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#669ECB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669ECB

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669ECB	#FFFFFF	#000000	##000000
##669ECB	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9ECD

Deuteranopia (green-blind)

#7E94CA

Tritanopia (blue-blind)

#34A9AD

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #669ecb;
/* rgb */ color: rgb(102, 158, 203);
/* oklch */ color: oklch(67.8% 0.089 243.9);

Tailwind

colors: {
  custom: {
    50: '#97badb',
    500: '#669ecb',
    950: '#000000',
  },
}

SCSS

$custom: #669ecb;
$custom-light: #97badb;
$custom-dark: #000000;

JSON

{
  "hex": "#669ecb",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 203
  },
  "hsl": {
    "h": 206.733,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.67829,
    "c": 0.08924,
    "h": 243.9
  },
  "luminance": 0.3159
}

Semantic roles & 50–950 ramp

primary

#669ECB

secondary

#DAC4B3

accent

#8C4FD9

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669ECB

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

Preview Lab → · Contrast checker → · Palette generator →