#669BCF#669BCF

#669BCF is a light, moderate cyan. Relative luminance 0.308; OKLCH L 67.3% C 0.096 H 249.0°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#669BCF
RGB	rgb(102, 155, 207)
HSL	hsl(210, 52%, 61%)
HSV	hsv(210, 51%, 81%)
CMYK	cmyk(50.7%, 25.1%, 0%, 18.8%)
CIE-LAB	lab(62.31, -3.05, -32.04)
CIE-LCH	lch(62.31, 32.18, 264.55°)
OKLab	oklab(67.34% -0.0344 -0.0896)
OKLCH	oklch(67.34% 0.096 249)
XYZ	xyz(28.4594, 30.7703, 63.4590)
Luminance	0.3077 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BCF #CF9A66

analogous

#66CFCE #669BCF #6666CF

triadic

#669BCF #CF669B #9BCF66

tetradic

#669BCF #CE66CF #CF9A66 #66CF66

square

#669BCF #CE66CF #CF9A66 #66CF66

split-complementary

#669BCF #CF6666 #CFCE66

monochromatic

#2D5E8E #3B7DBD #669BCF #95B9DE #C3D8EC

Accessibility & contrast

On white

2.94

#669BCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#669BCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BCF

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BCF	#FFFFFF	#000000	##000000
##669BCF	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869DD1

Deuteranopia (green-blind)

#7892CE

Tritanopia (blue-blind)

#30A7AD

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669bcf;
/* rgb */ color: rgb(102, 155, 207);
/* oklch */ color: oklch(67.3% 0.096 249.0);

Tailwind

colors: {
  custom: {
    50: '#98b8de',
    500: '#669bcf',
    950: '#000000',
  },
}

SCSS

$custom: #669bcf;
$custom-light: #98b8de;
$custom-dark: #000000;

JSON

{
  "hex": "#669bcf",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 207
  },
  "hsl": {
    "h": 209.714,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.67341,
    "c": 0.09598,
    "h": 249
  },
  "luminance": 0.30772
}

Semantic roles & 50–950 ramp

primary

#669BCF

secondary

#DCC8B4

accent

#7226C0

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669BCF

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

Preview Lab → · Contrast checker → · Palette generator →