#669BB8#669BB8

#669BB8 is a light, moderate cyan. Relative luminance 0.297; OKLCH L 66.3% C 0.071 H 233.3°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#669BB8
RGB	rgb(102, 155, 184)
HSL	hsl(201, 37%, 56%)
HSV	hsv(201, 45%, 72%)
CMYK	cmyk(44.6%, 15.8%, 0%, 27.8%)
CIE-LAB	lab(61.42, -9.75, -20.53)
CIE-LCH	lch(61.42, 22.72, 244.60°)
OKLab	oklab(66.34% -0.0424 -0.0568)
OKLCH	oklch(66.34% 0.071 233.3)
XYZ	xyz(25.8495, 29.7264, 49.7137)
Luminance	0.2973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BB8 #B88366

analogous

#66B8AC #669BB8 #6672B8

triadic

#669BB8 #B8669B #9BB866

tetradic

#669BB8 #AC66B8 #B88366 #72B866

square

#669BB8 #AC66B8 #B88366 #72B866

split-complementary

#669BB8 #B86672 #B8AC66

monochromatic

#345B70 #477C9A #669BB8 #90B6CB #BAD2DF

Accessibility & contrast

On white

3.02

#669BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#669BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669BB8

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BB8	#FFFFFF	#000000	##000000
##669BB8	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D99B9

Deuteranopia (green-blind)

#8290B8

Tritanopia (blue-blind)

#43A3A4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #669bb8;
/* rgb */ color: rgb(102, 155, 184);
/* oklch */ color: oklch(66.3% 0.071 233.3);

Tailwind

colors: {
  custom: {
    50: '#96b8cd',
    500: '#669bb8',
    950: '#000000',
  },
}

SCSS

$custom: #669bb8;
$custom-light: #96b8cd;
$custom-dark: #000000;

JSON

{
  "hex": "#669bb8",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 184
  },
  "hsl": {
    "h": 201.22,
    "s": 36.607,
    "l": 56.078
  },
  "oklch": {
    "l": 0.66337,
    "c": 0.07086,
    "h": 233.3
  },
  "luminance": 0.29728
}

Semantic roles & 50–950 ramp

primary

#669BB8

secondary

#CEB8AC

accent

#835BCD

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669BB8

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

Preview Lab → · Contrast checker → · Palette generator →