#6683EC#6683EC

#6683EC is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.8% C 0.160 H 269.8°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#6683EC
RGB	rgb(102, 131, 236)
HSL	hsl(227, 78%, 66%)
HSV	hsv(227, 57%, 93%)
CMYK	cmyk(56.8%, 44.5%, 0%, 7.5%)
CIE-LAB	lab(57.18, 20.12, -56.28)
CIE-LCH	lch(57.18, 59.77, 289.67°)
OKLab	oklab(63.82% -0.0006 -0.1603)
OKLCH	oklch(63.82% 0.16 269.8)
XYZ	xyz(28.7311, 25.1113, 82.6736)
Luminance	0.2511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6683EC #ECCF66

analogous

#66C6EC #6683EC #8C66EC

triadic

#6683EC #EC6683 #83EC66

tetradic

#6683EC #EC66C6 #ECCF66 #66EC8C

square

#6683EC #EC66C6 #ECCF66 #66EC8C

split-complementary

#6683EC #EC8C66 #C6EC66

monochromatic

#183CC0 #3057E5 #6683EC #9CAFF3 #D3DBFA

Accessibility & contrast

On white

3.49

#6683EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#6683EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6683EC

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6683EC	#FFFFFF	#000000	##000000
##6683EC	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5390F0

Deuteranopia (green-blind)

#4184EA

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #6683ec;
/* rgb */ color: rgb(102, 131, 236);
/* oklch */ color: oklch(63.8% 0.160 269.8);

Tailwind

colors: {
  custom: {
    50: '#9ba6f3',
    500: '#6683ec',
    950: '#000000',
  },
}

SCSS

$custom: #6683ec;
$custom-light: #9ba6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6683ec",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 236
  },
  "hsl": {
    "h": 227.015,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.6382,
    "c": 0.16035,
    "h": 269.8
  },
  "luminance": 0.25114
}

Semantic roles & 50–950 ramp

primary

#6683EC

secondary

#EDE3C1

accent

#AD0BDA

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6683EC

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

Preview Lab → · Contrast checker → · Palette generator →