#66A2EB#66A2EB

#66A2EB is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.2% C 0.125 H 254.2°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#66A2EB
RGB	rgb(102, 162, 235)
HSL	hsl(213, 77%, 66%)
HSV	hsv(213, 57%, 92%)
CMYK	cmyk(56.6%, 31.1%, 0%, 7.8%)
CIE-LAB	lab(65.48, 1.58, -42.58)
CIE-LCH	lch(65.48, 42.61, 272.12°)
OKLab	oklab(70.23% -0.0341 -0.12)
OKLCH	oklch(70.23% 0.125 254.2)
XYZ	xyz(33.3899, 34.6608, 83.5118)
Luminance	0.3466 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A2EB #EBAF66

analogous

#66E5EB #66A2EB #6C66EB

triadic

#66A2EB #EB66A2 #A2EB66

tetradic

#66A2EB #EB66E5 #EBAF66 #66EB6C

square

#66A2EB #EB66E5 #EBAF66 #66EB6C

split-complementary

#66A2EB #EB6C66 #E5EB66

monochromatic

#1963BE #3081E4 #66A2EB #9CC3F2 #D2E4F9

Accessibility & contrast

On white

2.65

#66A2EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#66A2EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2EB

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A2EB	#FFFFFF	#000000	##000000
##66A2EB	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A6EE

Deuteranopia (green-blind)

#7399EA

Tritanopia (blue-blind)

#00B3BC

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66a2eb;
/* rgb */ color: rgb(102, 162, 235);
/* oklch */ color: oklch(70.2% 0.125 254.2);

Tailwind

colors: {
  custom: {
    50: '#9bbdf1',
    500: '#66a2eb',
    950: '#000000',
  },
}

SCSS

$custom: #66a2eb;
$custom-light: #9bbdf1;
$custom-dark: #000000;

JSON

{
  "hex": "#66a2eb",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 235
  },
  "hsl": {
    "h": 212.932,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.7023,
    "c": 0.12478,
    "h": 254.2
  },
  "luminance": 0.34664
}

Semantic roles & 50–950 ramp

primary

#66A2EB

secondary

#ECD9C1

accent

#7D0CD9

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66A2EB

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

Preview Lab → · Contrast checker → · Palette generator →