#669EFE#669EFE

#669EFE is a light, vivid blue. Relative luminance 0.344; OKLCH L 70.4% C 0.153 H 260.5°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#669EFE
RGB	rgb(102, 158, 254)
HSL	hsl(218, 99%, 70%)
HSV	hsv(218, 60%, 100%)
CMYK	cmyk(59.8%, 37.8%, 0%, 0.4%)
CIE-LAB	lab(65.30, 9.94, -53.26)
CIE-LCH	lch(65.30, 54.18, 280.57°)
OKLab	oklab(70.39% -0.0252 -0.1512)
OKLCH	oklch(70.39% 0.153 260.5)
XYZ	xyz(35.5895, 34.4311, 98.5171)
Luminance	0.3443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EFE #FEC666

analogous

#66EAFE #669EFE #7A66FE

triadic

#669EFE #FE669E #9EFE66

tetradic

#669EFE #FE66EA #FEC666 #66FE7A

square

#669EFE #FE66EA #FEC666 #66FE7A

split-complementary

#669EFE #FE7A66 #EAFE66

monochromatic

#0256E8 #2977FE #669EFE #A3C5FE #E0EBFF

Accessibility & contrast

On white

2.66

#669EFE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#669EFE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EFE

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EFE	#FFFFFF	#000000	##000000
##669EFE	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A6FF

Deuteranopia (green-blind)

#6098FC

Tritanopia (blue-blind)

#00B4C2

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #669efe;
/* rgb */ color: rgb(102, 158, 254);
/* oklch */ color: oklch(70.4% 0.153 260.5);

Tailwind

colors: {
  custom: {
    50: '#9dbaff',
    500: '#669efe',
    950: '#000000',
  },
}

SCSS

$custom: #669efe;
$custom-light: #9dbaff;
$custom-dark: #000000;

JSON

{
  "hex": "#669efe",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 254
  },
  "hsl": {
    "h": 217.895,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.70387,
    "c": 0.15329,
    "h": 260.5
  },
  "luminance": 0.34434
}

Semantic roles & 50–950 ramp

primary

#669EFE

secondary

#F5E6CA

accent

#9100E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #669EFE

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

Preview Lab → · Contrast checker → · Palette generator →