#669EB8#669EB8

#669EB8 is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.0% C 0.070 H 229.0°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#669EB8
RGB	rgb(102, 158, 184)
HSL	hsl(199, 37%, 56%)
HSV	hsv(199, 45%, 72%)
CMYK	cmyk(44.6%, 14.1%, 0%, 27.8%)
CIE-LAB	lab(62.29, -11.39, -19.20)
CIE-LCH	lch(62.29, 22.33, 239.33°)
OKLab	oklab(67.03% -0.0461 -0.0531)
OKLCH	oklch(67.03% 0.07 229)
XYZ	xyz(26.3550, 30.7373, 49.8822)
Luminance	0.3074 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EB8 #B88066

analogous

#66B8A9 #669EB8 #6675B8

triadic

#669EB8 #B8669E #9EB866

tetradic

#669EB8 #A966B8 #B88066 #75B866

square

#669EB8 #A966B8 #B88066 #75B866

split-complementary

#669EB8 #B86675 #B8A966

monochromatic

#345D70 #477F9A #669EB8 #90B9CB #BAD3DF

Accessibility & contrast

On white

2.94

#669EB8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#669EB8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EB8

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EB8	#FFFFFF	#000000	##000000
##669EB8	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)

#919CB9

Deuteranopia (green-blind)

#8593B8

Tritanopia (blue-blind)

#42A5A6

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669eb8;
/* rgb */ color: rgb(102, 158, 184);
/* oklch */ color: oklch(67.0% 0.070 229.0);

Tailwind

colors: {
  custom: {
    50: '#96bacd',
    500: '#669eb8',
    950: '#000000',
  },
}

SCSS

$custom: #669eb8;
$custom-light: #96bacd;
$custom-dark: #000000;

JSON

{
  "hex": "#669eb8",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 184
  },
  "hsl": {
    "h": 199.024,
    "s": 36.607,
    "l": 56.078
  },
  "oklch": {
    "l": 0.67026,
    "c": 0.07028,
    "h": 229
  },
  "luminance": 0.30739
}

Semantic roles & 50–950 ramp

primary

#669EB8

secondary

#CEB7AC

accent

#7F5BCD

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1113

muted

#7E8082

Preview Lab

Preview with #669EB8

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

Preview Lab → · Contrast checker → · Palette generator →