#66A7FA#66A7FA

#66A7FA is a light, vivid cyan. Relative luminance 0.374; OKLCH L 72.1% C 0.139 H 255.2°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#66A7FA
RGB	rgb(102, 167, 250)
HSL	hsl(214, 94%, 69%)
HSV	hsv(214, 59%, 98%)
CMYK	cmyk(59.2%, 33.2%, 0%, 2%)
CIE-LAB	lab(67.55, 3.47, -47.54)
CIE-LCH	lch(67.55, 47.66, 274.18°)
OKLab	oklab(72.07% -0.0354 -0.1344)
OKLCH	oklch(72.07% 0.139 255.2)
XYZ	xyz(36.5474, 37.3611, 95.7094)
Luminance	0.3736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A7FA #FAB966

analogous

#66F1FA #66A7FA #6F66FA

triadic

#66A7FA #FA66A7 #A7FA66

tetradic

#66A7FA #FA66F1 #FAB966 #66FA6F

square

#66A7FA #FA66F1 #FAB966 #66FA6F

split-complementary

#66A7FA #FA6F66 #F1FA66

monochromatic

#0766DE #2B85F8 #66A7FA #A1C9FC #DDEBFE

Accessibility & contrast

On white

2.48

#66A7FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#66A7FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A7FA

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A7FA	#FFFFFF	#000000	##000000
##66A7FA	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84ACFD

Deuteranopia (green-blind)

#709EF8

Tritanopia (blue-blind)

#00BAC5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #66a7fa;
/* rgb */ color: rgb(102, 167, 250);
/* oklch */ color: oklch(72.1% 0.139 255.2);

Tailwind

colors: {
  custom: {
    50: '#9dc0fc',
    500: '#66a7fa',
    950: '#000000',
  },
}

SCSS

$custom: #66a7fa;
$custom-light: #9dc0fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66a7fa",
  "rgb": {
    "r": 102,
    "g": 167,
    "b": 250
  },
  "hsl": {
    "h": 213.649,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.7207,
    "c": 0.13899,
    "h": 255.2
  },
  "luminance": 0.37364
}

Semantic roles & 50–950 ramp

primary

#66A7FA

secondary

#F4E1C8

accent

#8100E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66A7FA

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

Preview Lab → · Contrast checker → · Palette generator →