#66B2FA#66B2FA

#66B2FA is a light, vivid cyan. Relative luminance 0.416; OKLCH L 74.4% C 0.129 H 248.8°. Best body text is #000000 at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#66B2FA
RGB	rgb(102, 178, 250)
HSL	hsl(209, 94%, 69%)
HSV	hsv(209, 59%, 98%)
CMYK	cmyk(59.2%, 28.8%, 0%, 2%)
CIE-LAB	lab(70.57, -2.72, -42.79)
CIE-LCH	lch(70.57, 42.88, 266.37°)
OKLab	oklab(74.44% -0.0469 -0.1205)
OKLCH	oklch(74.44% 0.129 248.8)
XYZ	xyz(38.6489, 41.5641, 96.4099)
Luminance	0.4157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B2FA #FAAE66

analogous

#66FAF8 #66B2FA #6668FA

triadic

#66B2FA #FA66B2 #B2FA66

tetradic

#66B2FA #F866FA #FAAE66 #68FA66

square

#66B2FA #F866FA #FAAE66 #68FA66

split-complementary

#66B2FA #FA6668 #FAF866

monochromatic

#0776DE #2B94F8 #66B2FA #A1D0FC #DDEEFE

Accessibility & contrast

On white

2.25

#66B2FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.31

#66B2FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B2FA

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B2FA	#FFFFFF	#000000	##000000
##66B2FA	1.00	2.25	9.31	9.31
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.31	21.00	1.00	1.00
##000000	9.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93B5FD

Deuteranopia (green-blind)

#7FA6F9

Tritanopia (blue-blind)

#00C3CB

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #66b2fa;
/* rgb */ color: rgb(102, 178, 250);
/* oklch */ color: oklch(74.4% 0.129 248.8);

Tailwind

colors: {
  custom: {
    50: '#9dc8fc',
    500: '#66b2fa',
    950: '#000000',
  },
}

SCSS

$custom: #66b2fa;
$custom-light: #9dc8fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66b2fa",
  "rgb": {
    "r": 102,
    "g": 178,
    "b": 250
  },
  "hsl": {
    "h": 209.189,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.7444,
    "c": 0.12932,
    "h": 248.8
  },
  "luminance": 0.41568
}

Semantic roles & 50–950 ramp

primary

#66B2FA

secondary

#F4DDC8

accent

#7000E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66B2FA

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

Preview Lab → · Contrast checker → · Palette generator →