#669AEB#669AEB

#669AEB is a light, vivid blue. Relative luminance 0.319; OKLCH L 68.5% C 0.133 H 259.0°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#669AEB
RGB	rgb(102, 154, 235)
HSL	hsl(217, 77%, 66%)
HSV	hsv(217, 57%, 92%)
CMYK	cmyk(56.6%, 34.5%, 0%, 7.8%)
CIE-LAB	lab(63.29, 6.18, -46.04)
CIE-LCH	lch(63.29, 46.45, 277.64°)
OKLab	oklab(68.51% -0.0254 -0.1302)
OKLCH	oklch(68.51% 0.133 259)
XYZ	xyz(32.0253, 31.9315, 83.0569)
Luminance	0.3193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669AEB #EBB766

analogous

#66DDEB #669AEB #7466EB

triadic

#669AEB #EB669A #9AEB66

tetradic

#669AEB #EB66DD #EBB766 #66EB74

square

#669AEB #EB66DD #EBB766 #66EB74

split-complementary

#669AEB #EB7466 #DDEB66

monochromatic

#1959BE #3076E4 #669AEB #9CBEF2 #D2E1F9

Accessibility & contrast

On white

2.84

#669AEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#669AEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669AEB

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669AEB	#FFFFFF	#000000	##000000
##669AEB	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A0EE

Deuteranopia (green-blind)

#6893E9

Tritanopia (blue-blind)

#00ACB8

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #669aeb;
/* rgb */ color: rgb(102, 154, 235);
/* oklch */ color: oklch(68.5% 0.133 259.0);

Tailwind

colors: {
  custom: {
    50: '#9bb7f2',
    500: '#669aeb',
    950: '#000000',
  },
}

SCSS

$custom: #669aeb;
$custom-light: #9bb7f2;
$custom-dark: #000000;

JSON

{
  "hex": "#669aeb",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 235
  },
  "hsl": {
    "h": 216.541,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.68514,
    "c": 0.13261,
    "h": 259
  },
  "luminance": 0.31934
}

Semantic roles & 50–950 ramp

primary

#669AEB

secondary

#ECDBC1

accent

#890CD9

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669AEB

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

Preview Lab → · Contrast checker → · Palette generator →