#6699FB#6699FB

#6699FB is a light, vivid blue. Relative luminance 0.326; OKLCH L 69.2% C 0.155 H 262.3°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#6699FB
RGB	rgb(102, 153, 251)
HSL	hsl(219, 95%, 69%)
HSV	hsv(219, 59%, 98%)
CMYK	cmyk(59.4%, 39%, 0%, 1.6%)
CIE-LAB	lab(63.81, 11.89, -53.99)
CIE-LCH	lch(63.81, 55.29, 282.42°)
OKLab	oklab(69.18% -0.0207 -0.1534)
OKLCH	oklch(69.18% 0.155 262.3)
XYZ	xyz(34.2773, 32.5693, 95.7282)
Luminance	0.3257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6699FB #FBC866

analogous

#66E4FB #6699FB #7E66FB

triadic

#6699FB #FB6699 #99FB66

tetradic

#6699FB #FB66E4 #FBC866 #66FB7E

square

#6699FB #FB66E4 #FBC866 #66FB7E

split-complementary

#6699FB #FB7E66 #E4FB66

monochromatic

#0651E1 #2A71F9 #6699FB #A2C1FD #DDE9FE

Accessibility & contrast

On white

2.79

#6699FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#6699FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6699FB

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6699FB	#FFFFFF	#000000	##000000
##6699FB	1.00	2.79	7.51	7.51
#FFFFFF	2.79	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)

#6FA2FF

Deuteranopia (green-blind)

#5A94F9

Tritanopia (blue-blind)

#00AFBE

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #6699fb;
/* rgb */ color: rgb(102, 153, 251);
/* oklch */ color: oklch(69.2% 0.155 262.3);

Tailwind

colors: {
  custom: {
    50: '#9db6fd',
    500: '#6699fb',
    950: '#000000',
  },
}

SCSS

$custom: #6699fb;
$custom-light: #9db6fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6699fb",
  "rgb": {
    "r": 102,
    "g": 153,
    "b": 251
  },
  "hsl": {
    "h": 219.463,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.6918,
    "c": 0.1548,
    "h": 262.3
  },
  "luminance": 0.32572
}

Semantic roles & 50–950 ramp

primary

#6699FB

secondary

#F4E5C9

accent

#9700E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #6699FB

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

Preview Lab → · Contrast checker → · Palette generator →