#6399FE#6399FE

#6399FE is a light, vivid blue. Relative luminance 0.326; OKLCH L 69.2% C 0.160 H 261.9°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#6399FE
RGB	rgb(99, 153, 254)
HSL	hsl(219, 99%, 69%)
HSV	hsv(219, 61%, 100%)
CMYK	cmyk(61%, 39.8%, 0%, 0.4%)
CIE-LAB	lab(63.83, 12.32, -55.62)
CIE-LCH	lch(63.83, 56.96, 282.49°)
OKLab	oklab(69.21% -0.0226 -0.1582)
OKLCH	oklch(69.21% 0.16 261.9)
XYZ	xyz(34.4200, 32.5878, 98.2229)
Luminance	0.3259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6399FE #FEC863

analogous

#63E6FE #6399FE #7B63FE

triadic

#6399FE #FE6399 #99FE63

tetradic

#6399FE #FE63E6 #FEC863 #63FE7B

square

#6399FE #FE63E6 #FEC863 #63FE7B

split-complementary

#6399FE #FE7B63 #E6FE63

monochromatic

#0151E5 #2671FE #6399FE #A0C1FE #DDE9FF

Accessibility & contrast

On white

2.79

#6399FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#6399FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6399FE

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6399FE	#FFFFFF	#000000	##000000
##6399FE	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6CA2FF

Deuteranopia (green-blind)

#5694FC

Tritanopia (blue-blind)

#00B0BF

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #6399fe;
/* rgb */ color: rgb(99, 153, 254);
/* oklch */ color: oklch(69.2% 0.160 261.9);

Tailwind

colors: {
  custom: {
    50: '#9cb6ff',
    500: '#6399fe',
    950: '#000000',
  },
}

SCSS

$custom: #6399fe;
$custom-light: #9cb6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#6399fe",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 254
  },
  "hsl": {
    "h": 219.097,
    "s": 98.726,
    "l": 69.216
  },
  "oklch": {
    "l": 0.69205,
    "c": 0.15983,
    "h": 261.9
  },
  "luminance": 0.32591
}

Semantic roles & 50–950 ramp

primary

#6399FE

secondary

#F5E5C8

accent

#9600E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1118

muted

#7F8086

Preview Lab

Preview with #6399FE

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

Preview Lab → · Contrast checker → · Palette generator →