#669EAA#669EAA

#669EAA is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.5% C 0.061 H 212.7°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#669EAA
RGB	rgb(102, 158, 170)
HSL	hsl(191, 29%, 53%)
HSV	hsv(191, 40%, 67%)
CMYK	cmyk(40%, 7.1%, 0%, 33.3%)
CIE-LAB	lab(61.81, -15.20, -12.05)
CIE-LCH	lch(61.81, 19.39, 218.41°)
OKLab	oklab(66.49% -0.0516 -0.0331)
OKLCH	oklch(66.49% 0.061 212.7)
XYZ	xyz(24.9595, 30.1791, 42.5323)
Luminance	0.3018 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EAA #AA7266

analogous

#66AA94 #669EAA #667CAA

triadic

#669EAA #AA669E #9EAA66

tetradic

#669EAA #9466AA #AA7266 #7CAA66

square

#669EAA #9466AA #AA7266 #7CAA66

split-complementary

#669EAA #AA667C #AA9466

monochromatic

#355960 #4B7D88 #669EAA #8DB7C0 #B5D0D6

Accessibility & contrast

On white

2.98

#669EAA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#669EAA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EAA

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EAA	#FFFFFF	#000000	##000000
##669EAA	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#949AAB

Deuteranopia (green-blind)

#8992AA

Tritanopia (blue-blind)

#4AA3A2

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #669eaa;
/* rgb */ color: rgb(102, 158, 170);
/* oklch */ color: oklch(66.5% 0.061 212.7);

Tailwind

colors: {
  custom: {
    50: '#95bac3',
    500: '#669eaa',
    950: '#000000',
  },
}

SCSS

$custom: #669eaa;
$custom-light: #95bac3;
$custom-dark: #000000;

JSON

{
  "hex": "#669eaa",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 170
  },
  "hsl": {
    "h": 190.588,
    "s": 28.571,
    "l": 53.333
  },
  "oklch": {
    "l": 0.66488,
    "c": 0.06129,
    "h": 212.7
  },
  "luminance": 0.30181
}

Semantic roles & 50–950 ramp

primary

#669EAA

secondary

#C5ACA7

accent

#7463C5

background

#F9FBFB

surface

#F2F6F7

border

#CCD0D0

text

#0D1112

muted

#7E8081

Preview Lab

Preview with #669EAA

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

Preview Lab → · Contrast checker → · Palette generator →