#669EEE#669EEE

#669EEE is a light, vivid blue. Relative luminance 0.335; OKLCH L 69.5% C 0.132 H 257.4°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#669EEE
RGB	rgb(102, 158, 238)
HSL	hsl(215, 80%, 67%)
HSV	hsv(215, 57%, 93%)
CMYK	cmyk(57.1%, 33.6%, 0%, 6.7%)
CIE-LAB	lab(64.52, 4.82, -45.74)
CIE-LCH	lch(64.52, 46.00, 276.01°)
OKLab	oklab(69.52% -0.0289 -0.1293)
OKLCH	oklch(69.52% 0.132 257.4)
XYZ	xyz(33.1336, 33.4487, 85.5825)
Luminance	0.3345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EEE #EEB666

analogous

#66E2EE #669EEE #7266EE

triadic

#669EEE #EE669E #9EEE66

tetradic

#669EEE #EE66E2 #EEB666 #66EE72

square

#669EEE #EE66E2 #EEB666 #66EE72

split-complementary

#669EEE #EE7266 #E2EE66

monochromatic

#165DC4 #2F7BE8 #669EEE #9DC1F4 #D4E4FA

Accessibility & contrast

On white

2.73

#669EEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#669EEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EEE

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EEE	#FFFFFF	#000000	##000000
##669EEE	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA4F1

Deuteranopia (green-blind)

#6B97EC

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669eee;
/* rgb */ color: rgb(102, 158, 238);
/* oklch */ color: oklch(69.5% 0.132 257.4);

Tailwind

colors: {
  custom: {
    50: '#9bbaf4',
    500: '#669eee',
    950: '#000000',
  },
}

SCSS

$custom: #669eee;
$custom-light: #9bbaf4;
$custom-dark: #000000;

JSON

{
  "hex": "#669eee",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 238
  },
  "hsl": {
    "h": 215.294,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.69524,
    "c": 0.13246,
    "h": 257.4
  },
  "luminance": 0.33452
}

Semantic roles & 50–950 ramp

primary

#669EEE

secondary

#EEDCC2

accent

#8509DC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669EEE

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

Preview Lab → · Contrast checker → · Palette generator →