#669AEC#669AEC

#669AEC is a light, vivid blue. Relative luminance 0.320; OKLCH L 68.6% C 0.134 H 259.2°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#669AEC
RGB	rgb(102, 154, 236)
HSL	hsl(217, 78%, 66%)
HSV	hsv(217, 57%, 93%)
CMYK	cmyk(56.8%, 34.7%, 0%, 7.5%)
CIE-LAB	lab(63.33, 6.49, -46.52)
CIE-LCH	lch(63.33, 46.97, 277.95°)
OKLab	oklab(68.57% -0.0251 -0.1315)
OKLCH	oklch(68.57% 0.134 259.2)
XYZ	xyz(32.1701, 31.9894, 83.8199)
Luminance	0.3199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669AEC #ECB866

analogous

#66DDEC #669AEC #7566EC

triadic

#669AEC #EC669A #9AEC66

tetradic

#669AEC #EC66DD #ECB866 #66EC75

square

#669AEC #EC66DD #ECB866 #66EC75

split-complementary

#669AEC #EC7566 #DDEC66

monochromatic

#1859C0 #3076E5 #669AEC #9CBEF3 #D3E2FA

Accessibility & contrast

On white

2.84

#669AEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.40

#669AEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669AEC

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669AEC	#FFFFFF	#000000	##000000
##669AEC	1.00	2.84	7.40	7.40
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.40	21.00	1.00	1.00
##000000	7.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A0EF

Deuteranopia (green-blind)

#6794EA

Tritanopia (blue-blind)

#00ACB8

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669aec;
/* rgb */ color: rgb(102, 154, 236);
/* oklch */ color: oklch(68.6% 0.134 259.2);

Tailwind

colors: {
  custom: {
    50: '#9bb7f2',
    500: '#669aec',
    950: '#000000',
  },
}

SCSS

$custom: #669aec;
$custom-light: #9bb7f2;
$custom-dark: #000000;

JSON

{
  "hex": "#669aec",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 236
  },
  "hsl": {
    "h": 216.716,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.68567,
    "c": 0.13392,
    "h": 259.2
  },
  "luminance": 0.31992
}

Semantic roles & 50–950 ramp

primary

#669AEC

secondary

#EDDCC1

accent

#8A0BDA

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669AEC

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

Preview Lab → · Contrast checker → · Palette generator →