#669FCB#669FCB

#669FCB is a light, moderate cyan. Relative luminance 0.319; OKLCH L 68.1% C 0.089 H 242.8°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#669FCB
RGB	rgb(102, 159, 203)
HSL	hsl(206, 49%, 60%)
HSV	hsv(206, 50%, 80%)
CMYK	cmyk(49.8%, 21.7%, 0%, 20.4%)
CIE-LAB	lab(63.29, -6.49, -28.30)
CIE-LCH	lch(63.29, 29.04, 257.09°)
OKLab	oklab(68.05% -0.0405 -0.0789)
OKLCH	oklch(68.05% 0.089 242.8)
XYZ	xyz(28.6533, 31.9307, 61.1417)
Luminance	0.3193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FCB #CB9266

analogous

#66CBC5 #669FCB #666CCB

triadic

#669FCB #CB669F #9FCB66

tetradic

#669FCB #C566CB #CB9266 #6CCB66

square

#669FCB #C566CB #CB9266 #6CCB66

split-complementary

#669FCB #CB666C #CBC566

monochromatic

#2E6188 #3E82B6 #669FCB #94BCDB #C1D8EA

Accessibility & contrast

On white

2.84

#669FCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#669FCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FCB

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

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

#8C9FCD

Deuteranopia (green-blind)

#7F95CA

Tritanopia (blue-blind)

#33AAAE

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669fcb;
/* rgb */ color: rgb(102, 159, 203);
/* oklch */ color: oklch(68.1% 0.089 242.8);

Tailwind

colors: {
  custom: {
    50: '#97bbdb',
    500: '#669fcb',
    950: '#000000',
  },
}

SCSS

$custom: #669fcb;
$custom-light: #97bbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#669fcb",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 203
  },
  "hsl": {
    "h": 206.139,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.68054,
    "c": 0.08865,
    "h": 242.8
  },
  "luminance": 0.31933
}

Semantic roles & 50–950 ramp

primary

#669FCB

secondary

#DAC4B3

accent

#8B4FD9

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669FCB

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

Preview Lab → · Contrast checker → · Palette generator →