#669ACB#669ACB

#669ACB is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.9% C 0.092 H 247.9°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#669ACB
RGB	rgb(102, 154, 203)
HSL	hsl(209, 49%, 60%)
HSV	hsv(209, 50%, 80%)
CMYK	cmyk(49.8%, 24.1%, 0%, 20.4%)
CIE-LAB	lab(61.87, -3.69, -30.50)
CIE-LCH	lch(61.87, 30.72, 263.11°)
OKLab	oklab(66.93% -0.0345 -0.0852)
OKLCH	oklch(66.93% 0.092 247.9)
XYZ	xyz(27.8108, 30.2457, 60.8608)
Luminance	0.3025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669ACB #CB9766

analogous

#66CBC9 #669ACB #6668CB

triadic

#669ACB #CB669A #9ACB66

tetradic

#669ACB #C966CB #CB9766 #68CB66

square

#669ACB #C966CB #CB9766 #68CB66

split-complementary

#669ACB #CB6668 #CBC966

monochromatic

#2E5D88 #3E7CB6 #669ACB #94B8DB #C1D6EA

Accessibility & contrast

On white

2.98

#669ACB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#669ACB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669ACB

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669ACB	#FFFFFF	#000000	##000000
##669ACB	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869BCD

Deuteranopia (green-blind)

#7991CA

Tritanopia (blue-blind)

#35A5AB

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #669acb;
/* rgb */ color: rgb(102, 154, 203);
/* oklch */ color: oklch(66.9% 0.092 247.9);

Tailwind

colors: {
  custom: {
    50: '#97b7db',
    500: '#669acb',
    950: '#000000',
  },
}

SCSS

$custom: #669acb;
$custom-light: #97b7db;
$custom-dark: #000000;

JSON

{
  "hex": "#669acb",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 203
  },
  "hsl": {
    "h": 209.109,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.66934,
    "c": 0.09191,
    "h": 247.9
  },
  "luminance": 0.30248
}

Semantic roles & 50–950 ramp

primary

#669ACB

secondary

#DAC6B3

accent

#924FD9

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669ACB

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

Preview Lab → · Contrast checker → · Palette generator →