#669BCC#669BCC

#669BCC is a light, moderate cyan. Relative luminance 0.306; OKLCH L 67.2% C 0.092 H 247.5°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#669BCC
RGB	rgb(102, 155, 204)
HSL	hsl(209, 50%, 60%)
HSV	hsv(209, 50%, 80%)
CMYK	cmyk(50%, 24%, 0%, 20%)
CIE-LAB	lab(62.19, -3.95, -30.55)
CIE-LCH	lch(62.19, 30.81, 262.63°)
OKLab	oklab(67.2% -0.0354 -0.0853)
OKLCH	oklch(67.2% 0.092 247.5)
XYZ	xyz(28.0961, 30.6250, 61.5457)
Luminance	0.3063 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BCC #CC9766

analogous

#66CCCA #669BCC #6668CC

triadic

#669BCC #CC669B #9BCC66

tetradic

#669BCC #CA66CC #CC9766 #68CC66

square

#669BCC #CA66CC #CC9766 #68CC66

split-complementary

#669BCC #CC6668 #CCCA66

monochromatic

#2E5E8A #3D7DB8 #669BCC #94B9DB #C2D7EB

Accessibility & contrast

On white

2.95

#669BCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.13

#669BCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BCC

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BCC	#FFFFFF	#000000	##000000
##669BCC	1.00	2.95	7.13	7.13
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.13	21.00	1.00	1.00
##000000	7.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879CCE

Deuteranopia (green-blind)

#7A92CB

Tritanopia (blue-blind)

#33A6AC

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #669bcc;
/* rgb */ color: rgb(102, 155, 204);
/* oklch */ color: oklch(67.2% 0.092 247.5);

Tailwind

colors: {
  custom: {
    50: '#97b8db',
    500: '#669bcc',
    950: '#000000',
  },
}

SCSS

$custom: #669bcc;
$custom-light: #97b8db;
$custom-dark: #000000;

JSON

{
  "hex": "#669bcc",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 204
  },
  "hsl": {
    "h": 208.824,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.67203,
    "c": 0.09239,
    "h": 247.5
  },
  "luminance": 0.30627
}

Semantic roles & 50–950 ramp

primary

#669BCC

secondary

#DBC6B3

accent

#914EDA

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669BCC

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

Preview Lab → · Contrast checker → · Palette generator →