#6397F9#6397F9

#6397F9 is a light, vivid blue. Relative luminance 0.316; OKLCH L 68.5% C 0.155 H 262.0°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#6397F9
RGB	rgb(99, 151, 249)
HSL	hsl(219, 93%, 68%)
HSV	hsv(219, 60%, 98%)
CMYK	cmyk(60.2%, 39.4%, 0%, 2.4%)
CIE-LAB	lab(63.03, 11.86, -54.15)
CIE-LCH	lch(63.03, 55.43, 282.35°)
OKLab	oklab(68.5% -0.0216 -0.1539)
OKLCH	oklch(68.5% 0.155 262)
XYZ	xyz(33.3051, 31.6225, 93.9528)
Luminance	0.3162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6397F9 #F9C563

analogous

#63E2F9 #6397F9 #7A63F9

triadic

#6397F9 #F96397 #97F963

tetradic

#6397F9 #F963E2 #F9C563 #63F97A

square

#6397F9 #F963E2 #F9C563 #63F97A

split-complementary

#6397F9 #F97A63 #E2F963

monochromatic

#0851D9 #2870F7 #6397F9 #9EBEFB #D9E6FE

Accessibility & contrast

On white

2.87

#6397F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#6397F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397F9

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6397F9	#FFFFFF	#000000	##000000
##6397F9	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6CA0FD

Deuteranopia (green-blind)

#5792F7

Tritanopia (blue-blind)

#00ADBC

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #6397f9;
/* rgb */ color: rgb(99, 151, 249);
/* oklch */ color: oklch(68.5% 0.155 262.0);

Tailwind

colors: {
  custom: {
    50: '#9bb5fc',
    500: '#6397f9',
    950: '#000000',
  },
}

SCSS

$custom: #6397f9;
$custom-light: #9bb5fc;
$custom-dark: #000000;

JSON

{
  "hex": "#6397f9",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 249
  },
  "hsl": {
    "h": 219.2,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.68504,
    "c": 0.15545,
    "h": 262
  },
  "luminance": 0.31625
}

Semantic roles & 50–950 ramp

primary

#6397F9

secondary

#F3E3C5

accent

#9600E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6397F9

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

Preview Lab → · Contrast checker → · Palette generator →