#66A2E8#66A2E8

#66A2E8 is a light, vivid cyan. Relative luminance 0.345; OKLCH L 70.1% C 0.121 H 253.2°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#66A2E8
RGB	rgb(102, 162, 232)
HSL	hsl(212, 74%, 65%)
HSV	hsv(212, 56%, 91%)
CMYK	cmyk(56%, 30.2%, 0%, 9%)
CIE-LAB	lab(65.35, 0.64, -41.15)
CIE-LCH	lch(65.35, 41.15, 270.89°)
OKLab	oklab(70.08% -0.0349 -0.1159)
OKLCH	oklch(70.08% 0.121 253.2)
XYZ	xyz(32.9602, 34.4889, 81.2484)
Luminance	0.3449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A2E8 #E8AC66

analogous

#66E3E8 #66A2E8 #6B66E8

triadic

#66A2E8 #E866A2 #A2E866

tetradic

#66A2E8 #E866E3 #E8AC66 #66E86B

square

#66A2E8 #E866E3 #E8AC66 #66E86B

split-complementary

#66A2E8 #E86B66 #E3E866

monochromatic

#1C64B8 #3182E0 #66A2E8 #9BC2F0 #D0E3F8

Accessibility & contrast

On white

2.66

#66A2E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#66A2E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2E8

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A2E8	#FFFFFF	#000000	##000000
##66A2E8	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A6EB

Deuteranopia (green-blind)

#7499E7

Tritanopia (blue-blind)

#00B2BB

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66a2e8;
/* rgb */ color: rgb(102, 162, 232);
/* oklch */ color: oklch(70.1% 0.121 253.2);

Tailwind

colors: {
  custom: {
    50: '#9abdef',
    500: '#66a2e8',
    950: '#000000',
  },
}

SCSS

$custom: #66a2e8;
$custom-light: #9abdef;
$custom-dark: #000000;

JSON

{
  "hex": "#66a2e8",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 232
  },
  "hsl": {
    "h": 212.308,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.7008,
    "c": 0.12101,
    "h": 253.2
  },
  "luminance": 0.34492
}

Semantic roles & 50–950 ramp

primary

#66A2E8

secondary

#EBD7BF

accent

#7A10D6

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1216

muted

#7F8184

Preview Lab

Preview with #66A2E8

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

Preview Lab → · Contrast checker → · Palette generator →