#66A0F7#66A0F7

#66A0F7 is a light, vivid blue. Relative luminance 0.347; OKLCH L 70.4% C 0.142 H 258.3°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#66A0F7
RGB	rgb(102, 160, 247)
HSL	hsl(216, 90%, 68%)
HSV	hsv(216, 59%, 97%)
CMYK	cmyk(58.7%, 35.2%, 0%, 3.1%)
CIE-LAB	lab(65.50, 6.53, -49.13)
CIE-LCH	lch(65.50, 49.57, 277.57°)
OKLab	oklab(70.43% -0.0288 -0.1391)
OKLCH	oklch(70.43% 0.142 258.3)
XYZ	xyz(34.8329, 34.6788, 92.8357)
Luminance	0.3468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A0F7 #F7BD66

analogous

#66E8F7 #66A0F7 #7466F7

triadic

#66A0F7 #F766A0 #A0F766

tetradic

#66A0F7 #F766E8 #F7BD66 #66F774

square

#66A0F7 #F766E8 #F7BD66 #66F774

split-complementary

#66A0F7 #F77466 #E8F766

monochromatic

#0B5DD7 #2C7CF4 #66A0F7 #A0C4FA #DAE8FD

Accessibility & contrast

On white

2.65

#66A0F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#66A0F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A0F7

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A0F7	#FFFFFF	#000000	##000000
##66A0F7	1.00	2.65	7.94	7.94
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA7FB

Deuteranopia (green-blind)

#6899F5

Tritanopia (blue-blind)

#00B4C0

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66a0f7;
/* rgb */ color: rgb(102, 160, 247);
/* oklch */ color: oklch(70.4% 0.142 258.3);

Tailwind

colors: {
  custom: {
    50: '#9cbbfa',
    500: '#66a0f7',
    950: '#000000',
  },
}

SCSS

$custom: #66a0f7;
$custom-light: #9cbbfa;
$custom-dark: #000000;

JSON

{
  "hex": "#66a0f7",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 247
  },
  "hsl": {
    "h": 216,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.70425,
    "c": 0.14209,
    "h": 258.3
  },
  "luminance": 0.34682
}

Semantic roles & 50–950 ramp

primary

#66A0F7

secondary

#F2E1C7

accent

#8A00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #66A0F7

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

Preview Lab → · Contrast checker → · Palette generator →