#669BEB#669BEB

#669BEB is a light, vivid blue. Relative luminance 0.323; OKLCH L 68.7% C 0.132 H 258.4°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#669BEB
RGB	rgb(102, 155, 235)
HSL	hsl(216, 77%, 66%)
HSV	hsv(216, 57%, 92%)
CMYK	cmyk(56.6%, 34%, 0%, 7.8%)
CIE-LAB	lab(63.56, 5.60, -45.61)
CIE-LCH	lch(63.56, 45.95, 277.00°)
OKLab	oklab(68.73% -0.0265 -0.1289)
OKLCH	oklch(68.73% 0.132 258.4)
XYZ	xyz(32.1910, 32.2630, 83.1121)
Luminance	0.3227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669BEB #EBB666

analogous

#66DEEB #669BEB #7366EB

triadic

#669BEB #EB669B #9BEB66

tetradic

#669BEB #EB66DE #EBB666 #66EB73

square

#669BEB #EB66DE #EBB666 #66EB73

split-complementary

#669BEB #EB7366 #DEEB66

monochromatic

#195BBE #3078E4 #669BEB #9CBEF2 #D2E2F9

Accessibility & contrast

On white

2.82

#669BEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#669BEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BEB

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669BEB	#FFFFFF	#000000	##000000
##669BEB	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA1EE

Deuteranopia (green-blind)

#6994E9

Tritanopia (blue-blind)

#00ADB8

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669beb;
/* rgb */ color: rgb(102, 155, 235);
/* oklch */ color: oklch(68.7% 0.132 258.4);

Tailwind

colors: {
  custom: {
    50: '#9bb8f2',
    500: '#669beb',
    950: '#000000',
  },
}

SCSS

$custom: #669beb;
$custom-light: #9bb8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#669beb",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 235
  },
  "hsl": {
    "h": 216.09,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.68727,
    "c": 0.13158,
    "h": 258.4
  },
  "luminance": 0.32266
}

Semantic roles & 50–950 ramp

primary

#669BEB

secondary

#ECDBC1

accent

#880CD9

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669BEB

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

Preview Lab → · Contrast checker → · Palette generator →