#66AEFA#66AEFA

#66AEFA is a light, vivid cyan. Relative luminance 0.400; OKLCH L 73.6% C 0.133 H 251.2°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#66AEFA
RGB	rgb(102, 174, 250)
HSL	hsl(211, 94%, 69%)
HSV	hsv(211, 59%, 98%)
CMYK	cmyk(59.2%, 30.4%, 0%, 2%)
CIE-LAB	lab(69.47, -0.49, -44.52)
CIE-LCH	lch(69.47, 44.52, 269.38°)
OKLab	oklab(73.57% -0.0427 -0.1256)
OKLCH	oklch(73.57% 0.133 251.2)
XYZ	xyz(37.8646, 39.9956, 96.1484)
Luminance	0.4000 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AEFA #FAB266

analogous

#66F8FA #66AEFA #6866FA

triadic

#66AEFA #FA66AE #AEFA66

tetradic

#66AEFA #FA66F8 #FAB266 #66FA68

square

#66AEFA #FA66F8 #FAB266 #66FA68

split-complementary

#66AEFA #FA6866 #F8FA66

monochromatic

#0770DE #2B8FF8 #66AEFA #A1CDFC #DDEDFE

Accessibility & contrast

On white

2.33

#66AEFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#66AEFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AEFA

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AEFA	#FFFFFF	#000000	##000000
##66AEFA	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EB2FD

Deuteranopia (green-blind)

#7AA3F8

Tritanopia (blue-blind)

#00C0C9

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66aefa;
/* rgb */ color: rgb(102, 174, 250);
/* oklch */ color: oklch(73.6% 0.133 251.2);

Tailwind

colors: {
  custom: {
    50: '#9dc5fc',
    500: '#66aefa',
    950: '#000000',
  },
}

SCSS

$custom: #66aefa;
$custom-light: #9dc5fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66aefa",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 250
  },
  "hsl": {
    "h": 210.811,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.73573,
    "c": 0.13264,
    "h": 251.2
  },
  "luminance": 0.39999
}

Semantic roles & 50–950 ramp

primary

#66AEFA

secondary

#F4DEC8

accent

#7600E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66AEFA

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

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