#669DF1#669DF1

#669DF1 is a light, vivid blue. Relative luminance 0.333; OKLCH L 69.5% C 0.137 H 258.6°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#669DF1
RGB	rgb(102, 157, 241)
HSL	hsl(216, 83%, 67%)
HSV	hsv(216, 58%, 95%)
CMYK	cmyk(57.7%, 34.9%, 0%, 5.5%)
CIE-LAB	lab(64.39, 6.35, -47.59)
CIE-LCH	lch(64.39, 48.02, 277.59°)
OKLab	oklab(69.47% -0.0271 -0.1347)
OKLCH	oklch(69.47% 0.137 258.6)
XYZ	xyz(33.4081, 33.2868, 87.8665)
Luminance	0.3329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669DF1 #F1BA66

analogous

#66E3F1 #669DF1 #7566F1

triadic

#669DF1 #F1669D #9DF166

tetradic

#669DF1 #F166E3 #F1BA66 #66F175

square

#669DF1 #F166E3 #F1BA66 #66F175

split-complementary

#669DF1 #F17566 #E3F166

monochromatic

#125BCA #2E79EC #669DF1 #9EC1F6 #D6E5FB

Accessibility & contrast

On white

2.74

#669DF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#669DF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DF1

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669DF1	#FFFFFF	#000000	##000000
##669DF1	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA3F4

Deuteranopia (green-blind)

#6896EF

Tritanopia (blue-blind)

#00B0BC

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #669df1;
/* rgb */ color: rgb(102, 157, 241);
/* oklch */ color: oklch(69.5% 0.137 258.6);

Tailwind

colors: {
  custom: {
    50: '#9bb9f6',
    500: '#669df1',
    950: '#000000',
  },
}

SCSS

$custom: #669df1;
$custom-light: #9bb9f6;
$custom-dark: #000000;

JSON

{
  "hex": "#669df1",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 241
  },
  "hsl": {
    "h": 216.259,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.69469,
    "c": 0.13737,
    "h": 258.6
  },
  "luminance": 0.3329
}

Semantic roles & 50–950 ramp

primary

#669DF1

secondary

#EFDEC3

accent

#8906E0

background

#FAFBFF

surface

#F4F6FE

border

#CED0D6

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669DF1

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

Preview Lab → · Contrast checker → · Palette generator →