#66ABF8#66ABF8

#66ABF8 is a light, vivid cyan. Relative luminance 0.387; OKLCH L 72.8% C 0.133 H 252.4°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#66ABF8
RGB	rgb(102, 171, 248)
HSL	hsl(212, 91%, 69%)
HSV	hsv(212, 59%, 97%)
CMYK	cmyk(58.9%, 31%, 0%, 2.7%)
CIE-LAB	lab(68.55, 0.57, -44.87)
CIE-LCH	lch(68.55, 44.88, 270.73°)
OKLab	oklab(72.83% -0.0401 -0.1266)
OKLCH	oklch(72.83% 0.133 252.4)
XYZ	xyz(36.9796, 38.7246, 94.3146)
Luminance	0.3873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ABF8 #F8B366

analogous

#66F4F8 #66ABF8 #6A66F8

triadic

#66ABF8 #F866AB #ABF866

tetradic

#66ABF8 #F866F4 #F8B366 #66F86A

square

#66ABF8 #F866F4 #F8B366 #66F86A

split-complementary

#66ABF8 #F86A66 #F4F866

monochromatic

#0A6CDA #2B8BF5 #66ABF8 #A1CBFB #DBEBFD

Accessibility & contrast

On white

2.40

#66ABF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#66ABF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABF8

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ABF8	#FFFFFF	#000000	##000000
##66ABF8	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BAFFB

Deuteranopia (green-blind)

#77A1F6

Tritanopia (blue-blind)

#00BDC6

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66abf8;
/* rgb */ color: rgb(102, 171, 248);
/* oklch */ color: oklch(72.8% 0.133 252.4);

Tailwind

colors: {
  custom: {
    50: '#9cc3fb',
    500: '#66abf8',
    950: '#000000',
  },
}

SCSS

$custom: #66abf8;
$custom-light: #9cc3fb;
$custom-dark: #000000;

JSON

{
  "hex": "#66abf8",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 248
  },
  "hsl": {
    "h": 211.644,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.72826,
    "c": 0.13282,
    "h": 252.4
  },
  "luminance": 0.38728
}

Semantic roles & 50–950 ramp

primary

#66ABF8

secondary

#F3DEC7

accent

#7900E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66ABF8

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

Preview Lab → · Contrast checker → · Palette generator →