#66A2E9#66A2E9

#66A2E9 is a light, vivid cyan. Relative luminance 0.345; OKLCH L 70.1% C 0.122 H 253.6°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#66A2E9
RGB	rgb(102, 162, 233)
HSL	hsl(213, 75%, 66%)
HSV	hsv(213, 56%, 91%)
CMYK	cmyk(56.2%, 30.5%, 0%, 8.6%)
CIE-LAB	lab(65.39, 0.95, -41.63)
CIE-LCH	lch(65.39, 41.64, 271.31°)
OKLab	oklab(70.13% -0.0346 -0.1173)
OKLCH	oklch(70.13% 0.122 253.6)
XYZ	xyz(33.1026, 34.5458, 81.9986)
Luminance	0.3455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A2E9 #E9AD66

analogous

#66E3E9 #66A2E9 #6B66E9

triadic

#66A2E9 #E966A2 #A2E966

tetradic

#66A2E9 #E966E3 #E9AD66 #66E96B

square

#66A2E9 #E966E3 #E9AD66 #66E96B

split-complementary

#66A2E9 #E96B66 #E3E966

monochromatic

#1B64BA #3081E1 #66A2E9 #9CC3F1 #D1E3F8

Accessibility & contrast

On white

2.65

#66A2E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#66A2E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2E9

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A2E9	#FFFFFF	#000000	##000000
##66A2E9	1.00	2.65	7.91	7.91
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A6EC

Deuteranopia (green-blind)

#7499E8

Tritanopia (blue-blind)

#00B2BB

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66a2e9;
/* rgb */ color: rgb(102, 162, 233);
/* oklch */ color: oklch(70.1% 0.122 253.6);

Tailwind

colors: {
  custom: {
    50: '#9abdf0',
    500: '#66a2e9',
    950: '#000000',
  },
}

SCSS

$custom: #66a2e9;
$custom-light: #9abdf0;
$custom-dark: #000000;

JSON

{
  "hex": "#66a2e9",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 233
  },
  "hsl": {
    "h": 212.519,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.70129,
    "c": 0.12226,
    "h": 253.6
  },
  "luminance": 0.34549
}

Semantic roles & 50–950 ramp

primary

#66A2E9

secondary

#EBD7C0

accent

#7B0ED7

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1216

muted

#7F8184

Preview Lab

Preview with #66A2E9

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

Preview Lab → · Contrast checker → · Palette generator →