#669EFD#669EFD

#669EFD is a light, vivid blue. Relative luminance 0.344; OKLCH L 70.3% C 0.152 H 260.4°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#669EFD
RGB	rgb(102, 158, 253)
HSL	hsl(218, 97%, 70%)
HSV	hsv(218, 60%, 99%)
CMYK	cmyk(59.7%, 37.5%, 0%, 0.8%)
CIE-LAB	lab(65.25, 9.61, -52.80)
CIE-LCH	lch(65.25, 53.67, 280.32°)
OKLab	oklab(70.33% -0.0254 -0.1498)
OKLCH	oklch(70.33% 0.152 260.4)
XYZ	xyz(35.4298, 34.3672, 97.6759)
Luminance	0.3437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669EFD #FDC566

analogous

#66EAFD #669EFD #7A66FD

triadic

#669EFD #FD669E #9EFD66

tetradic

#669EFD #FD66EA #FDC566 #66FD7A

square

#669EFD #FD66EA #FDC566 #66FD7A

split-complementary

#669EFD #FD7A66 #EAFD66

monochromatic

#0357E6 #2A78FC #669EFD #A2C4FE #DFEBFF

Accessibility & contrast

On white

2.67

#669EFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#669EFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EFD

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669EFD	#FFFFFF	#000000	##000000
##669EFD	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A6FF

Deuteranopia (green-blind)

#6198FB

Tritanopia (blue-blind)

#00B3C1

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #669efd;
/* rgb */ color: rgb(102, 158, 253);
/* oklch */ color: oklch(70.3% 0.152 260.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#669efd",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 253
  },
  "hsl": {
    "h": 217.748,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.70331,
    "c": 0.15199,
    "h": 260.4
  },
  "luminance": 0.3437
}

Semantic roles & 50–950 ramp

primary

#669EFD

secondary

#F5E5CA

accent

#9000E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #669EFD

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

Preview Lab → · Contrast checker → · Palette generator →