#669BE8#669BE8

#669BE8 is a light, vivid blue. Relative luminance 0.321; OKLCH L 68.6% C 0.128 H 257.7°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX#669BE8
RGBrgb(102, 155, 232)
HSLhsl(216, 74%, 65%)
HSVhsv(216, 56%, 91%)
CMYKcmyk(56%, 33.2%, 0%, 9%)
CIE-LABlab(63.42, 4.65, -44.18)
CIE-LCHlch(63.42, 44.42, 276.01°)
OKLaboklab(68.57% -0.0272 -0.1247)
OKLCHoklch(68.57% 0.128 257.7)
XYZxyz(31.7612, 32.0910, 80.8487)
Luminance0.3209 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669BE8 #E8B366
analogous
#66DCE8 #669BE8 #7266E8
triadic
#669BE8 #E8669B #9BE866
tetradic
#669BE8 #E866DC #E8B366 #66E872
square
#669BE8 #E866DC #E8B366 #66E872
split-complementary
#669BE8 #E87266 #DCE866
monochromatic
#1C5BB8 #3178E0 #669BE8 #9BBEF0 #D0E1F8

Accessibility & contrast

On white

2.83
#669BE8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.42
#669BE8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BE8
7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669BE8#FFFFFF#000000##000000
##669BE81.002.837.427.42
#FFFFFF2.831.0021.0021.00
#0000007.4221.001.001.00
##0000007.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7CA0EB
Deuteranopia (green-blind)
#6B94E6
Tritanopia (blue-blind)
#00ACB7
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #669be8;
/* rgb */ color: rgb(102, 155, 232);
/* oklch */ color: oklch(68.6% 0.128 257.7);
Tailwind
colors: {
  custom: {
    50: '#9ab8ef',
    500: '#669be8',
    950: '#000000',
  },
}
SCSS
$custom: #669be8;
$custom-light: #9ab8ef;
$custom-dark: #000000;
JSON
{
  "hex": "#669be8",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 232
  },
  "hsl": {
    "h": 215.538,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.6857,
    "c": 0.12767,
    "h": 257.7
  },
  "luminance": 0.32094
}

Semantic roles & 50–950 ramp

primary
#669BE8
secondary
#EBD9BF
accent
#8510D6
background
#FAFBFE
surface
#F3F6FD
border
#CDD0D5
text
#0F1116
muted
#7F8084

Preview Lab

Preview with #669BE8

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

Preview Lab → · Contrast checker → · Palette generator →

#669BE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva