#6699EE#6699EE

#6699EE is a light, vivid blue. Relative luminance 0.318; OKLCH L 68.5% C 0.138 H 260.1°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#6699EE
RGB	rgb(102, 153, 238)
HSL	hsl(218, 80%, 67%)
HSV	hsv(218, 57%, 93%)
CMYK	cmyk(57.1%, 35.7%, 0%, 6.7%)
CIE-LAB	lab(63.16, 7.71, -47.89)
CIE-LCH	lch(63.16, 48.51, 279.15°)
OKLab	oklab(68.46% -0.0236 -0.1356)
OKLCH	oklch(68.46% 0.138 260.1)
XYZ	xyz(32.2980, 31.7776, 85.3040)
Luminance	0.3178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6699EE #EEBB66

analogous

#66DDEE #6699EE #7766EE

triadic

#6699EE #EE6699 #99EE66

tetradic

#6699EE #EE66DD #EEBB66 #66EE77

square

#6699EE #EE66DD #EEBB66 #66EE77

split-complementary

#6699EE #EE7766 #DDEE66

monochromatic

#1657C4 #2F74E8 #6699EE #9DBEF4 #D4E2FA

Accessibility & contrast

On white

2.85

#6699EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#6699EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6699EE

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6699EE	#FFFFFF	#000000	##000000
##6699EE	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A0F1

Deuteranopia (green-blind)

#6493EC

Tritanopia (blue-blind)

#00ACB8

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #6699ee;
/* rgb */ color: rgb(102, 153, 238);
/* oklch */ color: oklch(68.5% 0.138 260.1);

Tailwind

colors: {
  custom: {
    50: '#9bb6f4',
    500: '#6699ee',
    950: '#000000',
  },
}

SCSS

$custom: #6699ee;
$custom-light: #9bb6f4;
$custom-dark: #000000;

JSON

{
  "hex": "#6699ee",
  "rgb": {
    "r": 102,
    "g": 153,
    "b": 238
  },
  "hsl": {
    "h": 217.5,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.68462,
    "c": 0.13761,
    "h": 260.1
  },
  "luminance": 0.3178
}

Semantic roles & 50–950 ramp

primary

#6699EE

secondary

#EEDDC2

accent

#8D09DC

background

#FAFBFE

surface

#F3F6FD

border

#CDD0D5

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6699EE

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

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