#669EFC#669EFC

#669EFC is a light, vivid blue. Relative luminance 0.343; OKLCH L 70.3% C 0.151 H 260.2°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#669EFC
RGB	rgb(102, 158, 252)
HSL	hsl(218, 96%, 69%)
HSV	hsv(218, 60%, 99%)
CMYK	cmyk(59.5%, 37.3%, 0%, 1.2%)
CIE-LAB	lab(65.20, 9.29, -52.33)
CIE-LCH	lch(65.20, 53.15, 280.07°)
OKLab	oklab(70.28% -0.0256 -0.1485)
OKLCH	oklch(70.28% 0.151 260.2)
XYZ	xyz(35.2709, 34.3037, 96.8391)
Luminance	0.3431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EFC #FCC466

analogous

#66E9FC #669EFC #7966FC

triadic

#669EFC #FC669E #9EFC66

tetradic

#669EFC #FC66E9 #FCC466 #66FC79

square

#669EFC #FC66E9 #FCC466 #66FC79

split-complementary

#669EFC #FC7966 #E9FC66

monochromatic

#0458E3 #2A78FB #669EFC #A2C4FD #DEEAFE

Accessibility & contrast

On white

2.67

#669EFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#669EFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EFC

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EFC	#FFFFFF	#000000	##000000
##669EFC	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A6FF

Deuteranopia (green-blind)

#6298FA

Tritanopia (blue-blind)

#00B3C1

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #669efc;
/* rgb */ color: rgb(102, 158, 252);
/* oklch */ color: oklch(70.3% 0.151 260.2);

Tailwind

colors: {
  custom: {
    50: '#9dbafe',
    500: '#669efc',
    950: '#000000',
  },
}

SCSS

$custom: #669efc;
$custom-light: #9dbafe;
$custom-dark: #000000;

JSON

{
  "hex": "#669efc",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 252
  },
  "hsl": {
    "h": 217.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.70276,
    "c": 0.15068,
    "h": 260.2
  },
  "luminance": 0.34307
}

Semantic roles & 50–950 ramp

primary

#669EFC

secondary

#F5E4C9

accent

#9000E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #669EFC

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

Preview Lab → · Contrast checker → · Palette generator →