#669CEA#669CEA

#669CEA is a light, vivid blue. Relative luminance 0.325; OKLCH L 68.9% C 0.129 H 257.6°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#669CEA
RGB	rgb(102, 156, 234)
HSL	hsl(215, 76%, 66%)
HSV	hsv(215, 56%, 92%)
CMYK	cmyk(56.4%, 33.3%, 0%, 8.2%)
CIE-LAB	lab(63.79, 4.70, -44.70)
CIE-LCH	lch(63.79, 44.95, 276.01°)
OKLab	oklab(68.89% -0.0278 -0.1262)
OKLCH	oklch(68.89% 0.129 257.6)
XYZ	xyz(32.2141, 32.5396, 82.4091)
Luminance	0.3254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669CEA #EAB466

analogous

#66DEEA #669CEA #7266EA

triadic

#669CEA #EA669C #9CEA66

tetradic

#669CEA #EA66DE #EAB466 #66EA72

square

#669CEA #EA66DE #EAB466 #66EA72

split-complementary

#669CEA #EA7266 #DEEA66

monochromatic

#1A5CBC #3079E3 #669CEA #9CBFF1 #D2E2F9

Accessibility & contrast

On white

2.80

#669CEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#669CEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CEA

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669CEA	#FFFFFF	#000000	##000000
##669CEA	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA1ED

Deuteranopia (green-blind)

#6B95E8

Tritanopia (blue-blind)

#00ADB8

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669cea;
/* rgb */ color: rgb(102, 156, 234);
/* oklch */ color: oklch(68.9% 0.129 257.6);

Tailwind

colors: {
  custom: {
    50: '#9bb8f1',
    500: '#669cea',
    950: '#000000',
  },
}

SCSS

$custom: #669cea;
$custom-light: #9bb8f1;
$custom-dark: #000000;

JSON

{
  "hex": "#669cea",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 234
  },
  "hsl": {
    "h": 215.455,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.68888,
    "c": 0.12927,
    "h": 257.6
  },
  "luminance": 0.32542
}

Semantic roles & 50–950 ramp

primary

#669CEA

secondary

#ECDAC0

accent

#850DD8

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669CEA

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

Preview Lab → · Contrast checker → · Palette generator →