#6683FD#6683FD

#6683FD is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.9% C 0.183 H 270.5°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#6683FD
RGB	rgb(102, 131, 253)
HSL	hsl(228, 97%, 70%)
HSV	hsv(228, 60%, 99%)
CMYK	cmyk(59.7%, 48.2%, 0%, 0.8%)
CIE-LAB	lab(58.18, 25.63, -64.09)
CIE-LCH	lch(58.18, 69.03, 291.79°)
OKLab	oklab(64.9% 0.0016 -0.1833)
OKLCH	oklch(64.9% 0.183 270.5)
XYZ	xyz(31.3195, 26.1467, 96.3058)
Luminance	0.2615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6683FD #FDE066

analogous

#66CEFD #6683FD #9566FD

triadic

#6683FD #FD6683 #83FD66

tetradic

#6683FD #FD66CE #FDE066 #66FD95

square

#6683FD #FD66CE #FDE066 #66FD95

split-complementary

#6683FD #FD9566 #CEFD66

monochromatic

#032FE6 #2A52FC #6683FD #A2B4FE #DFE5FF

Accessibility & contrast

On white

3.37

#6683FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#6683FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6683FD

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6683FD	#FFFFFF	#000000	##000000
##6683FD	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4493FF

Deuteranopia (green-blind)

#2785FA

Tritanopia (blue-blind)

#009FB4

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #6683fd;
/* rgb */ color: rgb(102, 131, 253);
/* oklch */ color: oklch(64.9% 0.183 270.5);

Tailwind

colors: {
  custom: {
    50: '#9ea6ff',
    500: '#6683fd',
    950: '#000000',
  },
}

SCSS

$custom: #6683fd;
$custom-light: #9ea6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#6683fd",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 253
  },
  "hsl": {
    "h": 228.477,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.64896,
    "c": 0.18332,
    "h": 270.5
  },
  "luminance": 0.26149
}

Semantic roles & 50–950 ramp

primary

#6683FD

secondary

#F5EDCA

accent

#B900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#100F18

muted

#7F7F86

Preview Lab

Preview with #6683FD

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

Preview Lab → · Contrast checker → · Palette generator →