#669FF8#669FF8

#669FF8 is a light, vivid blue. Relative luminance 0.344; OKLCH L 70.3% C 0.144 H 259.0°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#669FF8
RGB	rgb(102, 159, 248)
HSL	hsl(217, 91%, 69%)
HSV	hsv(217, 59%, 97%)
CMYK	cmyk(58.9%, 35.9%, 0%, 2.7%)
CIE-LAB	lab(65.28, 7.43, -50.03)
CIE-LCH	lch(65.28, 50.58, 278.44°)
OKLab	oklab(70.27% -0.0276 -0.1418)
OKLCH	oklch(70.27% 0.144 259)
XYZ	xyz(34.8150, 34.3953, 93.5930)
Luminance	0.3440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669FF8 #F8BF66

analogous

#66E8F8 #669FF8 #7666F8

triadic

#669FF8 #F8669F #9FF866

tetradic

#669FF8 #F866E8 #F8BF66 #66F876

square

#669FF8 #F866E8 #F8BF66 #66F876

split-complementary

#669FF8 #F87666 #E8F866

monochromatic

#0A5BDA #2B7AF5 #669FF8 #A1C4FB #DBE8FD

Accessibility & contrast

On white

2.67

#669FF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#669FF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FF8

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669FF8	#FFFFFF	#000000	##000000
##669FF8	1.00	2.67	7.88	7.88
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A6FC

Deuteranopia (green-blind)

#6698F6

Tritanopia (blue-blind)

#00B3C0

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #669ff8;
/* rgb */ color: rgb(102, 159, 248);
/* oklch */ color: oklch(70.3% 0.144 259.0);

Tailwind

colors: {
  custom: {
    50: '#9cbbfb',
    500: '#669ff8',
    950: '#000000',
  },
}

SCSS

$custom: #669ff8;
$custom-light: #9cbbfb;
$custom-dark: #000000;

JSON

{
  "hex": "#669ff8",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 248
  },
  "hsl": {
    "h": 216.575,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.70267,
    "c": 0.14441,
    "h": 259
  },
  "luminance": 0.34398
}

Semantic roles & 50–950 ramp

primary

#669FF8

secondary

#F3E2C7

accent

#8C00E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669FF8

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

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