#66A2E7#66A2E7

#66A2E7 is a light, moderate cyan. Relative luminance 0.344; OKLCH L 70.0% C 0.120 H 252.9°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX#66A2E7
RGBrgb(102, 162, 231)
HSLhsl(212, 73%, 65%)
HSVhsv(212, 56%, 91%)
CMYKcmyk(55.8%, 29.9%, 0%, 9.4%)
CIE-LABlab(65.30, 0.33, -40.67)
CIE-LCHlch(65.30, 40.67, 270.46°)
OKLaboklab(70.03% -0.0352 -0.1145)
OKLCHoklch(70.03% 0.12 252.9)
XYZxyz(32.8185, 34.4322, 80.5024)
Luminance0.3443 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66A2E7 #E7AB66
analogous
#66E2E7 #66A2E7 #6A66E7
triadic
#66A2E7 #E766A2 #A2E766
tetradic
#66A2E7 #E766E2 #E7AB66 #66E76A
square
#66A2E7 #E766E2 #E7AB66 #66E76A
split-complementary
#66A2E7 #E76A66 #E2E766
monochromatic
#1D64B6 #3182DF #66A2E7 #9BC2EF #D0E2F8

Accessibility & contrast

On white

2.66
#66A2E7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.89
#66A2E7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2E7
7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66A2E7#FFFFFF#000000##000000
##66A2E71.002.667.897.89
#FFFFFF2.661.0021.0021.00
#0000007.8921.001.001.00
##0000007.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#86A5EA
Deuteranopia (green-blind)
#7599E6
Tritanopia (blue-blind)
#00B2BA
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #66a2e7;
/* rgb */ color: rgb(102, 162, 231);
/* oklch */ color: oklch(70.0% 0.120 252.9);
Tailwind
colors: {
  custom: {
    50: '#9abdef',
    500: '#66a2e7',
    950: '#000000',
  },
}
SCSS
$custom: #66a2e7;
$custom-light: #9abdef;
$custom-dark: #000000;
JSON
{
  "hex": "#66a2e7",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 231
  },
  "hsl": {
    "h": 212.093,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.7003,
    "c": 0.11976,
    "h": 252.9
  },
  "luminance": 0.34435
}

Semantic roles & 50–950 ramp

primary
#66A2E7
secondary
#EAD6BF
accent
#7A11D5
background
#FAFBFE
surface
#F3F6FD
border
#CDD0D5
text
#0F1216
muted
#7F8184

Preview Lab

Preview with #66A2E7

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

Preview Lab → · Contrast checker → · Palette generator →

#66A2E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva