#669CCB#669CCB

#669CCB is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.4% C 0.091 H 245.9°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#669CCB
RGB	rgb(102, 156, 203)
HSL	hsl(208, 49%, 60%)
HSV	hsv(208, 50%, 80%)
CMYK	cmyk(49.8%, 23.2%, 0%, 20.4%)
CIE-LAB	lab(62.43, -4.81, -29.62)
CIE-LCH	lch(62.43, 30.01, 260.77°)
OKLab	oklab(67.38% -0.0369 -0.0826)
OKLCH	oklch(67.38% 0.091 245.9)
XYZ	xyz(28.1437, 30.9114, 60.9718)
Luminance	0.3091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CCB #CB9566

analogous

#66CBC8 #669CCB #666ACB

triadic

#669CCB #CB669C #9CCB66

tetradic

#669CCB #C866CB #CB9566 #6ACB66

square

#669CCB #C866CB #CB9566 #6ACB66

split-complementary

#669CCB #CB666A #CBC866

monochromatic

#2E5E88 #3E7EB6 #669CCB #94BADB #C1D7EA

Accessibility & contrast

On white

2.92

#669CCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#669CCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CCB

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CCB	#FFFFFF	#000000	##000000
##669CCB	1.00	2.92	7.18	7.18
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889DCD

Deuteranopia (green-blind)

#7B92CA

Tritanopia (blue-blind)

#34A7AC

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #669ccb;
/* rgb */ color: rgb(102, 156, 203);
/* oklch */ color: oklch(67.4% 0.091 245.9);

Tailwind

colors: {
  custom: {
    50: '#97b9db',
    500: '#669ccb',
    950: '#000000',
  },
}

SCSS

$custom: #669ccb;
$custom-light: #97b9db;
$custom-dark: #000000;

JSON

{
  "hex": "#669ccb",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 203
  },
  "hsl": {
    "h": 207.921,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.67381,
    "c": 0.09052,
    "h": 245.9
  },
  "luminance": 0.30914
}

Semantic roles & 50–950 ramp

primary

#669CCB

secondary

#DAC5B3

accent

#8F4FD9

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669CCB

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

Preview Lab → · Contrast checker → · Palette generator →