#669FEC#669FEC

#669FEC is a light, vivid cyan. Relative luminance 0.337; OKLCH L 69.6% C 0.129 H 256.3°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#669FEC
RGB	rgb(102, 159, 236)
HSL	hsl(214, 78%, 66%)
HSV	hsv(214, 57%, 93%)
CMYK	cmyk(56.8%, 32.6%, 0%, 7.5%)
CIE-LAB	lab(64.70, 3.61, -44.36)
CIE-LCH	lch(64.70, 44.51, 274.65°)
OKLab	oklab(69.63% -0.0305 -0.1252)
OKLCH	oklch(69.63% 0.129 256.3)
XYZ	xyz(33.0126, 33.6744, 84.1007)
Luminance	0.3368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FEC #ECB366

analogous

#66E2EC #669FEC #7066EC

triadic

#669FEC #EC669F #9FEC66

tetradic

#669FEC #EC66E2 #ECB366 #66EC70

square

#669FEC #EC66E2 #ECB366 #66EC70

split-complementary

#669FEC #EC7066 #E2EC66

monochromatic

#185FC0 #307DE5 #669FEC #9CC1F3 #D3E3FA

Accessibility & contrast

On white

2.71

#669FEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#669FEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FEC

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FEC	#FFFFFF	#000000	##000000
##669FEC	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA4EF

Deuteranopia (green-blind)

#6E97EA

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #669fec;
/* rgb */ color: rgb(102, 159, 236);
/* oklch */ color: oklch(69.6% 0.129 256.3);

Tailwind

colors: {
  custom: {
    50: '#9bbbf2',
    500: '#669fec',
    950: '#000000',
  },
}

SCSS

$custom: #669fec;
$custom-light: #9bbbf2;
$custom-dark: #000000;

JSON

{
  "hex": "#669fec",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 236
  },
  "hsl": {
    "h": 214.478,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.69634,
    "c": 0.12889,
    "h": 256.3
  },
  "luminance": 0.33677
}

Semantic roles & 50–950 ramp

primary

#669FEC

secondary

#EDDAC1

accent

#820BDA

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669FEC

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

Preview Lab → · Contrast checker → · Palette generator →