#669EEC#669EEC

#669EEC is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.4% C 0.130 H 256.9°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#669EEC
RGB	rgb(102, 158, 236)
HSL	hsl(215, 78%, 66%)
HSV	hsv(215, 57%, 93%)
CMYK	cmyk(56.8%, 33.1%, 0%, 7.5%)
CIE-LAB	lab(64.43, 4.18, -44.79)
CIE-LCH	lch(64.43, 44.99, 275.33°)
OKLab	oklab(69.42% -0.0295 -0.1265)
OKLCH	oklch(69.42% 0.13 256.9)
XYZ	xyz(32.8414, 33.3319, 84.0436)
Luminance	0.3333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EEC #ECB466

analogous

#66E1EC #669EEC #7166EC

triadic

#669EEC #EC669E #9EEC66

tetradic

#669EEC #EC66E1 #ECB466 #66EC71

square

#669EEC #EC66E1 #ECB466 #66EC71

split-complementary

#669EEC #EC7166 #E1EC66

monochromatic

#185EC0 #307BE5 #669EEC #9CC1F3 #D3E3FA

Accessibility & contrast

On white

2.74

#669EEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#669EEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EEC

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EEC	#FFFFFF	#000000	##000000
##669EEC	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA3EF

Deuteranopia (green-blind)

#6D96EA

Tritanopia (blue-blind)

#00B0BA

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669eec;
/* rgb */ color: rgb(102, 158, 236);
/* oklch */ color: oklch(69.4% 0.130 256.9);

Tailwind

colors: {
  custom: {
    50: '#9bbaf2',
    500: '#669eec',
    950: '#000000',
  },
}

SCSS

$custom: #669eec;
$custom-light: #9bbaf2;
$custom-dark: #000000;

JSON

{
  "hex": "#669eec",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 236
  },
  "hsl": {
    "h": 214.925,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.6942,
    "c": 0.12988,
    "h": 256.9
  },
  "luminance": 0.33335
}

Semantic roles & 50–950 ramp

primary

#669EEC

secondary

#EDDAC1

accent

#840BDA

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669EEC

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

Preview Lab → · Contrast checker → · Palette generator →