#6688FB#6688FB

#6688FB is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.7% C 0.175 H 268.8°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#6688FB
RGB	rgb(102, 136, 251)
HSL	hsl(226, 95%, 69%)
HSV	hsv(226, 59%, 98%)
CMYK	cmyk(59.4%, 45.8%, 0%, 1.6%)
CIE-LAB	lab(59.34, 21.97, -61.13)
CIE-LCH	lch(59.34, 64.96, 289.77°)
OKLab	oklab(65.74% -0.0035 -0.1745)
OKLCH	oklch(65.74% 0.175 268.8)
XYZ	xyz(31.6904, 27.3955, 94.8659)
Luminance	0.2740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6688FB #FBD966

analogous

#66D2FB #6688FB #8F66FB

triadic

#6688FB #FB6688 #88FB66

tetradic

#6688FB #FB66D2 #FBD966 #66FB8F

square

#6688FB #FB66D2 #FBD966 #66FB8F

split-complementary

#6688FB #FB8F66 #D2FB66

monochromatic

#0638E1 #2A5AF9 #6688FB #A2B6FD #DDE5FE

Accessibility & contrast

On white

3.24

#6688FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#6688FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6688FB

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6688FB	#FFFFFF	#000000	##000000
##6688FB	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5196FF

Deuteranopia (green-blind)

#3989F9

Tritanopia (blue-blind)

#00A2B5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #6688fb;
/* rgb */ color: rgb(102, 136, 251);
/* oklch */ color: oklch(65.7% 0.175 268.8);

Tailwind

colors: {
  custom: {
    50: '#9daafd',
    500: '#6688fb',
    950: '#000000',
  },
}

SCSS

$custom: #6688fb;
$custom-light: #9daafd;
$custom-dark: #000000;

JSON

{
  "hex": "#6688fb",
  "rgb": {
    "r": 102,
    "g": 136,
    "b": 251
  },
  "hsl": {
    "h": 226.309,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.65743,
    "c": 0.17457,
    "h": 268.8
  },
  "luminance": 0.27398
}

Semantic roles & 50–950 ramp

primary

#6688FB

secondary

#F4EAC9

accent

#B100E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #6688FB

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

Preview Lab → · Contrast checker → · Palette generator →