#6683FC#6683FC

#6683FC is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.8% C 0.182 H 270.5°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#6683FC
RGB	rgb(102, 131, 252)
HSL	hsl(228, 96%, 69%)
HSV	hsv(228, 60%, 99%)
CMYK	cmyk(59.5%, 48%, 0%, 1.2%)
CIE-LAB	lab(58.12, 25.30, -63.64)
CIE-LCH	lch(58.12, 68.48, 291.68°)
OKLab	oklab(64.83% 0.0015 -0.182)
OKLCH	oklch(64.83% 0.182 270.5)
XYZ	xyz(31.1606, 26.0831, 95.4690)
Luminance	0.2609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6683FC #FCDF66

analogous

#66CEFC #6683FC #9466FC

triadic

#6683FC #FC6683 #83FC66

tetradic

#6683FC #FC66CE #FCDF66 #66FC94

square

#6683FC #FC66CE #FCDF66 #66FC94

split-complementary

#6683FC #FC9466 #CEFC66

monochromatic

#0430E3 #2A52FB #6683FC #A2B4FD #DEE4FE

Accessibility & contrast

On white

3.38

#6683FC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#6683FC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6683FC

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6683FC	#FFFFFF	#000000	##000000
##6683FC	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4593FF

Deuteranopia (green-blind)

#2985F9

Tritanopia (blue-blind)

#009FB3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #6683fc;
/* rgb */ color: rgb(102, 131, 252);
/* oklch */ color: oklch(64.8% 0.182 270.5);

Tailwind

colors: {
  custom: {
    50: '#9ea6fe',
    500: '#6683fc',
    950: '#000000',
  },
}

SCSS

$custom: #6683fc;
$custom-light: #9ea6fe;
$custom-dark: #000000;

JSON

{
  "hex": "#6683fc",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 252
  },
  "hsl": {
    "h": 228.4,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.64831,
    "c": 0.18199,
    "h": 270.5
  },
  "luminance": 0.26086
}

Semantic roles & 50–950 ramp

primary

#6683FC

secondary

#F5ECC9

accent

#B900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #6683FC

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

Preview Lab → · Contrast checker → · Palette generator →