#66A0FC#66A0FC

#66A0FC is a light, vivid blue. Relative luminance 0.350; OKLCH L 70.7% C 0.149 H 259.3°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#66A0FC
RGB	rgb(102, 160, 252)
HSL	hsl(217, 96%, 69%)
HSV	hsv(217, 60%, 99%)
CMYK	cmyk(59.5%, 36.5%, 0%, 1.2%)
CIE-LAB	lab(65.74, 8.13, -51.48)
CIE-LCH	lch(65.74, 52.12, 278.98°)
OKLab	oklab(70.69% -0.0277 -0.146)
OKLCH	oklch(70.69% 0.149 259.3)
XYZ	xyz(35.6148, 34.9915, 96.9538)
Luminance	0.3499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A0FC #FCC266

analogous

#66EBFC #66A0FC #7766FC

triadic

#66A0FC #FC66A0 #A0FC66

tetradic

#66A0FC #FC66EB #FCC266 #66FC77

square

#66A0FC #FC66EB #FCC266 #66FC77

split-complementary

#66A0FC #FC7766 #EBFC66

monochromatic

#045BE3 #2A7BFB #66A0FC #A2C5FD #DEEBFE

Accessibility & contrast

On white

2.63

#66A0FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#66A0FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A0FC

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A0FC	#FFFFFF	#000000	##000000
##66A0FC	1.00	2.63	8.00	8.00
#FFFFFF	2.63	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A7FF

Deuteranopia (green-blind)

#6599FA

Tritanopia (blue-blind)

#00B5C2

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #66a0fc;
/* rgb */ color: rgb(102, 160, 252);
/* oklch */ color: oklch(70.7% 0.149 259.3);

Tailwind

colors: {
  custom: {
    50: '#9dbbfe',
    500: '#66a0fc',
    950: '#000000',
  },
}

SCSS

$custom: #66a0fc;
$custom-light: #9dbbfe;
$custom-dark: #000000;

JSON

{
  "hex": "#66a0fc",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 252
  },
  "hsl": {
    "h": 216.8,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.70695,
    "c": 0.14857,
    "h": 259.3
  },
  "luminance": 0.34995
}

Semantic roles & 50–950 ramp

primary

#66A0FC

secondary

#F5E4C9

accent

#8D00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #66A0FC

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

Preview Lab → · Contrast checker → · Palette generator →