#66A7FE#66A7FE

#66A7FE is a light, vivid cyan. Relative luminance 0.376; OKLCH L 72.3% C 0.144 H 256.2°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#66A7FE
RGB	rgb(102, 167, 254)
HSL	hsl(214, 99%, 70%)
HSV	hsv(214, 60%, 100%)
CMYK	cmyk(59.8%, 34.3%, 0%, 0.4%)
CIE-LAB	lab(67.74, 4.75, -49.42)
CIE-LCH	lch(67.74, 49.64, 275.49°)
OKLab	oklab(72.28% -0.0344 -0.1399)
OKLCH	oklch(72.28% 0.144 256.2)
XYZ	xyz(37.1812, 37.6146, 99.0477)
Luminance	0.3762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A7FE #FEBD66

analogous

#66F3FE #66A7FE #7166FE

triadic

#66A7FE #FE66A7 #A7FE66

tetradic

#66A7FE #FE66F3 #FEBD66 #66FE71

square

#66A7FE #FE66F3 #FEBD66 #66FE71

split-complementary

#66A7FE #FE7166 #F3FE66

monochromatic

#0264E8 #2984FE #66A7FE #A3CAFE #E0EDFF

Accessibility & contrast

On white

2.46

#66A7FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#66A7FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A7FE

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A7FE	#FFFFFF	#000000	##000000
##66A7FE	1.00	2.46	8.52	8.52
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82ADFF

Deuteranopia (green-blind)

#6E9EFC

Tritanopia (blue-blind)

#00BBC7

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #66a7fe;
/* rgb */ color: rgb(102, 167, 254);
/* oklch */ color: oklch(72.3% 0.144 256.2);

Tailwind

colors: {
  custom: {
    50: '#9dc0ff',
    500: '#66a7fe',
    950: '#000000',
  },
}

SCSS

$custom: #66a7fe;
$custom-light: #9dc0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#66a7fe",
  "rgb": {
    "r": 102,
    "g": 167,
    "b": 254
  },
  "hsl": {
    "h": 214.342,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.72279,
    "c": 0.14405,
    "h": 256.2
  },
  "luminance": 0.37618
}

Semantic roles & 50–950 ramp

primary

#66A7FE

secondary

#F5E3CA

accent

#8300E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #66A7FE

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

Preview Lab → · Contrast checker → · Palette generator →