#669BB0#669BB0

#669BB0 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.0% C 0.064 H 224.9°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#669BB0
RGB	rgb(102, 155, 176)
HSL	hsl(197, 32%, 55%)
HSV	hsv(197, 42%, 69%)
CMYK	cmyk(42%, 11.9%, 0%, 31%)
CIE-LAB	lab(61.13, -11.96, -16.45)
CIE-LCH	lch(61.13, 20.34, 233.97°)
OKLab	oklab(66.02% -0.0454 -0.0453)
OKLCH	oklch(66.02% 0.064 224.9)
XYZ	xyz(25.0346, 29.4004, 45.4215)
Luminance	0.2940 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BB0 #B07B66

analogous

#66B0A0 #669BB0 #6676B0

triadic

#669BB0 #B0669B #9BB066

tetradic

#669BB0 #A066B0 #B07B66 #76B066

square

#669BB0 #A066B0 #B07B66 #76B066

split-complementary

#669BB0 #B06676 #B0A066

monochromatic

#355967 #4A7B8F #669BB0 #8EB5C5 #B7D0DA

Accessibility & contrast

On white

3.05

#669BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#669BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669BB0

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BB0	#FFFFFF	#000000	##000000
##669BB0	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F98B1

Deuteranopia (green-blind)

#8490B0

Tritanopia (blue-blind)

#48A1A2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #669bb0;
/* rgb */ color: rgb(102, 155, 176);
/* oklch */ color: oklch(66.0% 0.064 224.9);

Tailwind

colors: {
  custom: {
    50: '#95b8c7',
    500: '#669bb0',
    950: '#000000',
  },
}

SCSS

$custom: #669bb0;
$custom-light: #95b8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#669bb0",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 197.027,
    "s": 31.897,
    "l": 54.51
  },
  "oklch": {
    "l": 0.66018,
    "c": 0.06417,
    "h": 224.9
  },
  "luminance": 0.29402
}

Semantic roles & 50–950 ramp

primary

#669BB0

secondary

#C9B2A9

accent

#7D60C8

background

#F9FBFC

surface

#F2F6F8

border

#CCD0D1

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #669BB0

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

Preview Lab → · Contrast checker → · Palette generator →