#669ECC#669ECC

#669ECC is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.9% C 0.090 H 244.5°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#669ECC
RGB	rgb(102, 158, 204)
HSL	hsl(207, 50%, 60%)
HSV	hsv(207, 50%, 80%)
CMYK	cmyk(50%, 22.5%, 0%, 20%)
CIE-LAB	lab(63.04, -5.63, -29.24)
CIE-LCH	lch(63.04, 29.78, 259.09°)
OKLab	oklab(67.87% -0.0389 -0.0815)
OKLCH	oklch(67.87% 0.09 244.5)
XYZ	xyz(28.6016, 31.6360, 61.7142)
Luminance	0.3164 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669ECC #CC9466

analogous

#66CCC7 #669ECC #666BCC

triadic

#669ECC #CC669E #9ECC66

tetradic

#669ECC #C766CC #CC9466 #6BCC66

square

#669ECC #C766CC #CC9466 #6BCC66

split-complementary

#669ECC #CC666B #CCC766

monochromatic

#2E608A #3D80B8 #669ECC #94BBDB #C2D8EB

Accessibility & contrast

On white

2.87

#669ECC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#669ECC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669ECC

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669ECC	#FFFFFF	#000000	##000000
##669ECC	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9ECE

Deuteranopia (green-blind)

#7D94CB

Tritanopia (blue-blind)

#33A9AD

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669ecc;
/* rgb */ color: rgb(102, 158, 204);
/* oklch */ color: oklch(67.9% 0.090 244.5);

Tailwind

colors: {
  custom: {
    50: '#97badb',
    500: '#669ecc',
    950: '#000000',
  },
}

SCSS

$custom: #669ecc;
$custom-light: #97badb;
$custom-dark: #000000;

JSON

{
  "hex": "#669ecc",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 204
  },
  "hsl": {
    "h": 207.059,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.67874,
    "c": 0.09037,
    "h": 244.5
  },
  "luminance": 0.31638
}

Semantic roles & 50–950 ramp

primary

#669ECC

secondary

#DBC5B3

accent

#8D4EDA

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #669ECC

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

Preview Lab → · Contrast checker → · Palette generator →