#669AF5#669AF5

#669AF5 is a light, vivid blue. Relative luminance 0.325; OKLCH L 69.1% C 0.146 H 260.9°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#669AF5
RGB	rgb(102, 154, 245)
HSL	hsl(218, 88%, 68%)
HSV	hsv(218, 58%, 96%)
CMYK	cmyk(58.4%, 37.1%, 0%, 3.9%)
CIE-LAB	lab(63.77, 9.37, -50.76)
CIE-LCH	lch(63.77, 51.62, 280.46°)
OKLab	oklab(69.05% -0.023 -0.1439)
OKLCH	oklch(69.05% 0.146 260.9)
XYZ	xyz(33.5108, 32.5257, 90.8806)
Luminance	0.3253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669AF5 #F5C166

analogous

#66E1F5 #669AF5 #7966F5

triadic

#669AF5 #F5669A #9AF566

tetradic

#669AF5 #F566E1 #F5C166 #66F579

square

#669AF5 #F566E1 #F5C166 #66F579

split-complementary

#669AF5 #F57966 #E1F566

monochromatic

#0E55D3 #2D74F1 #669AF5 #9FC0F9 #D9E6FD

Accessibility & contrast

On white

2.80

#669AF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#669AF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669AF5

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669AF5	#FFFFFF	#000000	##000000
##669AF5	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74A2F9

Deuteranopia (green-blind)

#6194F3

Tritanopia (blue-blind)

#00AEBC

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #669af5;
/* rgb */ color: rgb(102, 154, 245);
/* oklch */ color: oklch(69.1% 0.146 260.9);

Tailwind

colors: {
  custom: {
    50: '#9cb7f9',
    500: '#669af5',
    950: '#000000',
  },
}

SCSS

$custom: #669af5;
$custom-light: #9cb7f9;
$custom-dark: #000000;

JSON

{
  "hex": "#669af5",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 245
  },
  "hsl": {
    "h": 218.182,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.69054,
    "c": 0.14578,
    "h": 260.9
  },
  "luminance": 0.32529
}

Semantic roles & 50–950 ramp

primary

#669AF5

secondary

#F1E1C6

accent

#9201E4

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #669AF5

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

Preview Lab → · Contrast checker → · Palette generator →