#6683F3#6683F3

#6683F3 is a light, vivid blue. Relative luminance 0.255; OKLCH L 64.3% C 0.170 H 270.1°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#6683F3
RGB	rgb(102, 131, 243)
HSL	hsl(228, 85%, 68%)
HSV	hsv(228, 58%, 95%)
CMYK	cmyk(58%, 46.1%, 0%, 4.7%)
CIE-LAB	lab(57.58, 22.38, -59.52)
CIE-LCH	lch(57.58, 63.59, 290.60°)
OKLab	oklab(64.26% 0.0004 -0.1699)
OKLCH	oklch(64.26% 0.17 270.1)
XYZ	xyz(29.7681, 25.5261, 88.1350)
Luminance	0.2553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6683F3 #F3D666

analogous

#66C9F3 #6683F3 #9066F3

triadic

#6683F3 #F36683 #83F366

tetradic

#6683F3 #F366C9 #F3D666 #66F390

square

#6683F3 #F366C9 #F3D666 #66F390

split-complementary

#6683F3 #F39066 #C9F366

monochromatic

#1037CE #2D55EF #6683F3 #9FB1F7 #D7DFFC

Accessibility & contrast

On white

3.44

#6683F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#6683F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6683F3

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6683F3	#FFFFFF	#000000	##000000
##6683F3	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E91F7

Deuteranopia (green-blind)

#3884F1

Tritanopia (blue-blind)

#009CAF

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #6683f3;
/* rgb */ color: rgb(102, 131, 243);
/* oklch */ color: oklch(64.3% 0.170 270.1);

Tailwind

colors: {
  custom: {
    50: '#9ca6f8',
    500: '#6683f3',
    950: '#000000',
  },
}

SCSS

$custom: #6683f3;
$custom-light: #9ca6f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6683f3",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 243
  },
  "hsl": {
    "h": 227.66,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.64256,
    "c": 0.16987,
    "h": 270.1
  },
  "luminance": 0.25528
}

Semantic roles & 50–950 ramp

primary

#6683F3

secondary

#F0E7C5

accent

#B404E2

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6683F3

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

Preview Lab → · Contrast checker → · Palette generator →