#6683F4#6683F4

#6683F4 is a light, vivid blue. Relative luminance 0.256; OKLCH L 64.3% C 0.171 H 270.2°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#6683F4
RGB	rgb(102, 131, 244)
HSL	hsl(228, 87%, 68%)
HSV	hsv(228, 58%, 96%)
CMYK	cmyk(58.2%, 46.3%, 0%, 4.3%)
CIE-LAB	lab(57.64, 22.70, -59.98)
CIE-LCH	lch(57.64, 64.13, 290.73°)
OKLab	oklab(64.32% 0.0005 -0.1712)
OKLCH	oklch(64.32% 0.171 270.2)
XYZ	xyz(29.9195, 25.5867, 88.9325)
Luminance	0.2559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6683F4 #F4D766

analogous

#66CAF4 #6683F4 #9066F4

triadic

#6683F4 #F46683 #83F466

tetradic

#6683F4 #F466CA #F4D766 #66F490

square

#6683F4 #F466CA #F4D766 #66F490

split-complementary

#6683F4 #F49066 #CAF466

monochromatic

#0F37D1 #2D55F0 #6683F4 #9FB1F8 #D8E0FC

Accessibility & contrast

On white

3.43

#6683F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#6683F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6683F4

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6683F4	#FFFFFF	#000000	##000000
##6683F4	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D91F8

Deuteranopia (green-blind)

#3785F2

Tritanopia (blue-blind)

#009CB0

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #6683f4;
/* rgb */ color: rgb(102, 131, 244);
/* oklch */ color: oklch(64.3% 0.171 270.2);

Tailwind

colors: {
  custom: {
    50: '#9ca6f8',
    500: '#6683f4',
    950: '#000000',
  },
}

SCSS

$custom: #6683f4;
$custom-light: #9ca6f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6683f4",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 244
  },
  "hsl": {
    "h": 227.746,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.64319,
    "c": 0.17123,
    "h": 270.2
  },
  "luminance": 0.25589
}

Semantic roles & 50–950 ramp

primary

#6683F4

secondary

#F1E8C5

accent

#B502E3

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6683F4

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

Preview Lab → · Contrast checker → · Palette generator →