#669BE0#669BE0

#669BE0 is a light, moderate cyan. Relative luminance 0.316; OKLCH L 68.2% C 0.117 H 255.5°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX#669BE0
RGBrgb(102, 155, 224)
HSLhsl(214, 66%, 64%)
HSVhsv(214, 54%, 88%)
CMYKcmyk(54.5%, 30.8%, 0%, 12.2%)
CIE-LABlab(63.05, 2.14, -40.34)
CIE-LCHlch(63.05, 40.39, 273.04°)
OKLaboklab(68.16% -0.0294 -0.1136)
OKLCHoklch(68.16% 0.117 255.5)
XYZxyz(30.6507, 31.6468, 74.9998)
Luminance0.3165 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669BE0 #E0AB66
analogous
#66D8E0 #669BE0 #6E66E0
triadic
#669BE0 #E0669B #9BE066
tetradic
#669BE0 #E066D8 #E0AB66 #66E06E
square
#669BE0 #E066D8 #E0AB66 #66E06E
split-complementary
#669BE0 #E06E66 #D8E066
monochromatic
#225DA9 #337AD6 #669BE0 #99BCEA #CCDEF5

Accessibility & contrast

On white

2.87
#669BE0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.33
#669BE0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BE0
7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669BE0#FFFFFF#000000##000000
##669BE01.002.877.337.33
#FFFFFF2.871.0021.0021.00
#0000007.3321.001.001.00
##0000007.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F9FE3
Deuteranopia (green-blind)
#7093DF
Tritanopia (blue-blind)
#17ABB4
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #669be0;
/* rgb */ color: rgb(102, 155, 224);
/* oklch */ color: oklch(68.2% 0.117 255.5);
Tailwind
colors: {
  custom: {
    50: '#99b8ea',
    500: '#669be0',
    950: '#000000',
  },
}
SCSS
$custom: #669be0;
$custom-light: #99b8ea;
$custom-dark: #000000;
JSON
{
  "hex": "#669be0",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 224
  },
  "hsl": {
    "h": 213.934,
    "s": 66.304,
    "l": 63.922
  },
  "oklch": {
    "l": 0.68162,
    "c": 0.1173,
    "h": 255.5
  },
  "luminance": 0.31649
}

Semantic roles & 50–950 ramp

primary
#669BE0
secondary
#E6D4BC
accent
#7F17CE
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0F1116
muted
#7E8084

Preview Lab

Preview with #669BE0

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

Preview Lab → · Contrast checker → · Palette generator →

#669BE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva