#669AF0#669AF0

#669AF0 is a light, vivid blue. Relative luminance 0.322; OKLCH L 68.8% C 0.139 H 260.0°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#669AF0
RGB	rgb(102, 154, 240)
HSL	hsl(217, 82%, 67%)
HSV	hsv(217, 58%, 94%)
CMYK	cmyk(57.5%, 35.8%, 0%, 5.9%)
CIE-LAB	lab(63.53, 7.77, -48.41)
CIE-LCH	lch(63.53, 49.03, 279.11°)
OKLab	oklab(68.78% -0.0242 -0.1371)
OKLCH	oklch(68.78% 0.139 260)
XYZ	xyz(32.7578, 32.2245, 86.9149)
Luminance	0.3223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669AF0 #F0BC66

analogous

#66DFF0 #669AF0 #7766F0

triadic

#669AF0 #F0669A #9AF066

tetradic

#669AF0 #F066DF #F0BC66 #66F077

square

#669AF0 #F066DF #F0BC66 #66F077

split-complementary

#669AF0 #F07766 #DFF066

monochromatic

#1458C8 #2E75EB #669AF0 #9EBFF5 #D5E4FB

Accessibility & contrast

On white

2.82

#669AF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#669AF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669AF0

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669AF0	#FFFFFF	#000000	##000000
##669AF0	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A1F4

Deuteranopia (green-blind)

#6494EE

Tritanopia (blue-blind)

#00ADBA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669af0;
/* rgb */ color: rgb(102, 154, 240);
/* oklch */ color: oklch(68.8% 0.139 260.0);

Tailwind

colors: {
  custom: {
    50: '#9bb7f5',
    500: '#669af0',
    950: '#000000',
  },
}

SCSS

$custom: #669af0;
$custom-light: #9bb7f5;
$custom-dark: #000000;

JSON

{
  "hex": "#669af0",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 240
  },
  "hsl": {
    "h": 217.391,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.68781,
    "c": 0.13919,
    "h": 260
  },
  "luminance": 0.32227
}

Semantic roles & 50–950 ramp

primary

#669AF0

secondary

#EFDEC3

accent

#8D07DF

background

#FAFBFF

surface

#F4F6FE

border

#CED0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669AF0

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

Preview Lab → · Contrast checker → · Palette generator →