#6688EB#6688EB

#6688EB is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.8% C 0.153 H 267.7°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#6688EB
RGB	rgb(102, 136, 235)
HSL	hsl(225, 77%, 66%)
HSV	hsv(225, 57%, 92%)
CMYK	cmyk(56.6%, 42.1%, 0%, 7.8%)
CIE-LAB	lab(58.44, 16.79, -53.72)
CIE-LCH	lch(58.44, 56.28, 287.36°)
OKLab	oklab(64.77% -0.006 -0.1528)
OKLCH	oklch(64.77% 0.153 267.7)
XYZ	xyz(29.2740, 26.4290, 82.1398)
Luminance	0.2643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6688EB #EBC966

analogous

#66CAEB #6688EB #8666EB

triadic

#6688EB #EB6688 #88EB66

tetradic

#6688EB #EB66CA #EBC966 #66EB86

square

#6688EB #EB66CA #EBC966 #66EB86

split-complementary

#6688EB #EB8666 #CAEB66

monochromatic

#1943BE #305EE4 #6688EB #9CB2F2 #D2DCF9

Accessibility & contrast

On white

3.34

#6688EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#6688EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6688EB

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6688EB	#FFFFFF	#000000	##000000
##6688EB	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D93EF

Deuteranopia (green-blind)

#4B87E9

Tritanopia (blue-blind)

#009EAE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #6688eb;
/* rgb */ color: rgb(102, 136, 235);
/* oklch */ color: oklch(64.8% 0.153 267.7);

Tailwind

colors: {
  custom: {
    50: '#9baaf2',
    500: '#6688eb',
    950: '#000000',
  },
}

SCSS

$custom: #6688eb;
$custom-light: #9baaf2;
$custom-dark: #000000;

JSON

{
  "hex": "#6688eb",
  "rgb": {
    "r": 102,
    "g": 136,
    "b": 235
  },
  "hsl": {
    "h": 224.662,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.64766,
    "c": 0.1529,
    "h": 267.7
  },
  "luminance": 0.26431
}

Semantic roles & 50–950 ramp

primary

#6688EB

secondary

#ECE1C1

accent

#A50CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6688EB

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

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