#669DFC#669DFC

#669DFC is a light, vivid blue. Relative luminance 0.340; OKLCH L 70.1% C 0.152 H 260.7°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#669DFC
RGB	rgb(102, 157, 252)
HSL	hsl(218, 96%, 69%)
HSV	hsv(218, 60%, 99%)
CMYK	cmyk(59.5%, 37.7%, 0%, 1.2%)
CIE-LAB	lab(64.93, 9.87, -52.76)
CIE-LCH	lch(64.93, 53.67, 280.60°)
OKLab	oklab(70.07% -0.0246 -0.1497)
OKLCH	oklch(70.07% 0.152 260.7)
XYZ	xyz(35.1010, 33.9639, 96.7825)
Luminance	0.3397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DFC #FCC566

analogous

#66E8FC #669DFC #7A66FC

triadic

#669DFC #FC669D #9DFC66

tetradic

#669DFC #FC66E8 #FCC566 #66FC7A

square

#669DFC #FC66E8 #FCC566 #66FC7A

split-complementary

#669DFC #FC7A66 #E8FC66

monochromatic

#0456E3 #2A77FB #669DFC #A2C3FD #DEEAFE

Accessibility & contrast

On white

2.69

#669DFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#669DFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DFC

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DFC	#FFFFFF	#000000	##000000
##669DFC	1.00	2.69	7.79	7.79
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A5FF

Deuteranopia (green-blind)

#6097FA

Tritanopia (blue-blind)

#00B2C0

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #669dfc;
/* rgb */ color: rgb(102, 157, 252);
/* oklch */ color: oklch(70.1% 0.152 260.7);

Tailwind

colors: {
  custom: {
    50: '#9db9fe',
    500: '#669dfc',
    950: '#000000',
  },
}

SCSS

$custom: #669dfc;
$custom-light: #9db9fe;
$custom-dark: #000000;

JSON

{
  "hex": "#669dfc",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 252
  },
  "hsl": {
    "h": 218,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.70067,
    "c": 0.15176,
    "h": 260.7
  },
  "luminance": 0.33967
}

Semantic roles & 50–950 ramp

primary

#669DFC

secondary

#F5E5C9

accent

#9100E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #669DFC

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

Preview Lab → · Contrast checker → · Palette generator →