#66BFE8#66BFE8

#66BFE8 is a light, moderate cyan. Relative luminance 0.459; OKLCH L 76.5% C 0.104 H 230.0°. Best body text is #000000 at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#66BFE8
RGB	rgb(102, 191, 232)
HSL	hsl(199, 74%, 65%)
HSV	hsv(199, 56%, 91%)
CMYK	cmyk(56%, 17.7%, 0%, 9%)
CIE-LAB	lab(73.49, -15.22, -28.52)
CIE-LCH	lch(73.49, 32.33, 241.91°)
OKLab	oklab(76.51% -0.0665 -0.0795)
OKLCH	oklch(76.51% 0.104 230)
XYZ	xyz(38.6702, 45.9090, 83.1517)
Luminance	0.4591 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BFE8 #E88F66

analogous

#66E8D0 #66BFE8 #667EE8

triadic

#66BFE8 #E866BF #BFE866

tetradic

#66BFE8 #D066E8 #E88F66 #7EE866

square

#66BFE8 #D066E8 #E88F66 #7EE866

split-complementary

#66BFE8 #E8667E #E8D066

monochromatic

#1C87B8 #31A9E0 #66BFE8 #9BD5F0 #D0ECF8

Accessibility & contrast

On white

2.06

#66BFE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.18

#66BFE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BFE8

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BFE8	#FFFFFF	#000000	##000000
##66BFE8	1.00	2.06	10.18	10.18
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.18	21.00	1.00	1.00
##000000	10.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABCEA

Deuteranopia (green-blind)

#98AEE7

Tritanopia (blue-blind)

#00CACC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #66bfe8;
/* rgb */ color: rgb(102, 191, 232);
/* oklch */ color: oklch(76.5% 0.104 230.0);

Tailwind

colors: {
  custom: {
    50: '#9bd2ef',
    500: '#66bfe8',
    950: '#000000',
  },
}

SCSS

$custom: #66bfe8;
$custom-light: #9bd2ef;
$custom-dark: #000000;

JSON

{
  "hex": "#66bfe8",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 232
  },
  "hsl": {
    "h": 198.923,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.7651,
    "c": 0.10364,
    "h": 230
  },
  "luminance": 0.45913
}

Semantic roles & 50–950 ramp

primary

#66BFE8

secondary

#EBCDBF

accent

#4E10D6

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #66BFE8

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

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