#6683FB#6683FB

#6683FB is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.8% C 0.181 H 270.4°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#6683FB
RGB	rgb(102, 131, 251)
HSL	hsl(228, 95%, 69%)
HSV	hsv(228, 59%, 98%)
CMYK	cmyk(59.4%, 47.8%, 0%, 1.6%)
CIE-LAB	lab(58.06, 24.98, -63.18)
CIE-LCH	lch(58.06, 67.94, 291.57°)
OKLab	oklab(64.77% 0.0014 -0.1806)
OKLCH	oklch(64.77% 0.181 270.4)
XYZ	xyz(31.0026, 26.0199, 94.6367)
Luminance	0.2602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6683FB #FBDE66

analogous

#66CEFB #6683FB #9466FB

triadic

#6683FB #FB6683 #83FB66

tetradic

#6683FB #FB66CE #FBDE66 #66FB94

square

#6683FB #FB66CE #FBDE66 #66FB94

split-complementary

#6683FB #FB9466 #CEFB66

monochromatic

#0630E1 #2A53F9 #6683FB #A2B3FD #DDE4FE

Accessibility & contrast

On white

3.38

#6683FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#6683FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6683FB

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6683FB	#FFFFFF	#000000	##000000
##6683FB	1.00	3.38	6.20	6.20
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4692FF

Deuteranopia (green-blind)

#2B85F8

Tritanopia (blue-blind)

#009EB3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #6683fb;
/* rgb */ color: rgb(102, 131, 251);
/* oklch */ color: oklch(64.8% 0.181 270.4);

Tailwind

colors: {
  custom: {
    50: '#9da6fd',
    500: '#6683fb',
    950: '#000000',
  },
}

SCSS

$custom: #6683fb;
$custom-light: #9da6fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6683fb",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 251
  },
  "hsl": {
    "h": 228.322,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.64766,
    "c": 0.18065,
    "h": 270.4
  },
  "luminance": 0.26022
}

Semantic roles & 50–950 ramp

primary

#6683FB

secondary

#F4ECC9

accent

#B900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #6683FB

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

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