#669BCB#669BCB

#669BCB is a light, moderate cyan. Relative luminance 0.306; OKLCH L 67.2% C 0.091 H 246.9°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#669BCB
RGB	rgb(102, 155, 203)
HSL	hsl(209, 49%, 60%)
HSV	hsv(209, 50%, 80%)
CMYK	cmyk(49.8%, 23.6%, 0%, 20.4%)
CIE-LAB	lab(62.15, -4.25, -30.06)
CIE-LCH	lch(62.15, 30.36, 261.95°)
OKLab	oklab(67.16% -0.0357 -0.0839)
OKLCH	oklch(67.16% 0.091 246.9)
XYZ	xyz(27.9766, 30.5772, 60.9161)
Luminance	0.3058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BCB #CB9666

analogous

#66CBC9 #669BCB #6669CB

triadic

#669BCB #CB669B #9BCB66

tetradic

#669BCB #C966CB #CB9666 #69CB66

square

#669BCB #C966CB #CB9666 #69CB66

split-complementary

#669BCB #CB6669 #CBC966

monochromatic

#2E5E88 #3E7DB6 #669BCB #94B9DB #C1D7EA

Accessibility & contrast

On white

2.95

#669BCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#669BCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BCB

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BCB	#FFFFFF	#000000	##000000
##669BCB	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879CCD

Deuteranopia (green-blind)

#7A92CA

Tritanopia (blue-blind)

#34A6AB

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #669bcb;
/* rgb */ color: rgb(102, 155, 203);
/* oklch */ color: oklch(67.2% 0.091 246.9);

Tailwind

colors: {
  custom: {
    50: '#97b8db',
    500: '#669bcb',
    950: '#000000',
  },
}

SCSS

$custom: #669bcb;
$custom-light: #97b8db;
$custom-dark: #000000;

JSON

{
  "hex": "#669bcb",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 203
  },
  "hsl": {
    "h": 208.515,
    "s": 49.268,
    "l": 59.804
  },
  "oklch": {
    "l": 0.67158,
    "c": 0.0912,
    "h": 246.9
  },
  "luminance": 0.30579
}

Semantic roles & 50–950 ramp

primary

#669BCB

secondary

#DAC5B3

accent

#904FD9

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669BCB

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

Preview Lab → · Contrast checker → · Palette generator →