#669DEA#669DEA

#669DEA is a light, vivid blue. Relative luminance 0.329; OKLCH L 69.1% C 0.128 H 257.0°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX#669DEA
RGBrgb(102, 157, 234)
HSLhsl(215, 76%, 66%)
HSVhsv(215, 56%, 92%)
CMYKcmyk(56.4%, 32.9%, 0%, 8.2%)
CIE-LABlab(64.06, 4.13, -44.27)
CIE-LCHlch(64.06, 44.46, 275.32°)
OKLaboklab(69.1% -0.0289 -0.125)
OKLCHoklch(69.1% 0.128 257)
XYZxyz(32.3825, 32.8765, 82.4653)
Luminance0.3288 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669DEA #EAB366
analogous
#66DFEA #669DEA #7166EA
triadic
#669DEA #EA669D #9DEA66
tetradic
#669DEA #EA66DF #EAB366 #66EA71
square
#669DEA #EA66DF #EAB366 #66EA71
split-complementary
#669DEA #EA7166 #DFEA66
monochromatic
#1A5DBC #307BE3 #669DEA #9CBFF1 #D2E2F9

Accessibility & contrast

On white

2.77
#669DEA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.58
#669DEA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DEA
7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669DEA#FFFFFF#000000##000000
##669DEA1.002.777.587.58
#FFFFFF2.771.0021.0021.00
#0000007.5821.001.001.00
##0000007.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7DA2ED
Deuteranopia (green-blind)
#6C96E8
Tritanopia (blue-blind)
#00AEB9
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #669dea;
/* rgb */ color: rgb(102, 157, 234);
/* oklch */ color: oklch(69.1% 0.128 257.0);
Tailwind
colors: {
  custom: {
    50: '#9bb9f1',
    500: '#669dea',
    950: '#000000',
  },
}
SCSS
$custom: #669dea;
$custom-light: #9bb9f1;
$custom-dark: #000000;
JSON
{
  "hex": "#669dea",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 234
  },
  "hsl": {
    "h": 215,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.69102,
    "c": 0.12828,
    "h": 257
  },
  "luminance": 0.32879
}

Semantic roles & 50–950 ramp

primary
#669DEA
secondary
#ECDAC0
accent
#840DD8
background
#FAFBFE
surface
#F3F6FD
border
#CDD0D5
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #669DEA

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

Preview Lab → · Contrast checker → · Palette generator →

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