#669AAA#669AAA

#669AAA is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.6% C 0.060 H 219.2°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#669AAA
RGB	rgb(102, 154, 170)
HSL	hsl(194, 29%, 53%)
HSV	hsv(194, 40%, 67%)
CMYK	cmyk(40%, 9.4%, 0%, 33.3%)
CIE-LAB	lab(60.64, -13.04, -13.81)
CIE-LCH	lch(60.64, 19.00, 226.64°)
OKLab	oklab(65.55% -0.0465 -0.038)
OKLCH	oklch(65.55% 0.06 219.2)
XYZ	xyz(24.2883, 28.8367, 42.3086)
Luminance	0.2884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669AAA #AA7666

analogous

#66AA98 #669AAA #6678AA

triadic

#669AAA #AA669A #9AAA66

tetradic

#669AAA #9866AA #AA7666 #78AA66

square

#669AAA #9866AA #AA7666 #78AA66

split-complementary

#669AAA #AA6678 #AA9866

monochromatic

#355660 #4B7988 #669AAA #8DB4C0 #B5CED6

Accessibility & contrast

On white

3.10

#669AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#669AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669AAA

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669AAA	#FFFFFF	#000000	##000000
##669AAA	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9097AB

Deuteranopia (green-blind)

#858FAA

Tritanopia (blue-blind)

#4BA09F

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #669aaa;
/* rgb */ color: rgb(102, 154, 170);
/* oklch */ color: oklch(65.6% 0.060 219.2);

Tailwind

colors: {
  custom: {
    50: '#95b7c3',
    500: '#669aaa',
    950: '#000000',
  },
}

SCSS

$custom: #669aaa;
$custom-light: #95b7c3;
$custom-dark: #000000;

JSON

{
  "hex": "#669aaa",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 170
  },
  "hsl": {
    "h": 194.118,
    "s": 28.571,
    "l": 53.333
  },
  "oklch": {
    "l": 0.65555,
    "c": 0.06005,
    "h": 219.2
  },
  "luminance": 0.28838
}

Semantic roles & 50–950 ramp

primary

#669AAA

secondary

#C5AEA7

accent

#7A63C5

background

#F9FBFB

surface

#F2F6F7

border

#CCD0D0

text

#0D1112

muted

#7E8081

Preview Lab

Preview with #669AAA

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

Preview Lab → · Contrast checker → · Palette generator →