#6599F7#6599F7

#6599F7 is a light, vivid blue. Relative luminance 0.323; OKLCH L 68.9% C 0.150 H 261.4°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#6599F7
RGB	rgb(101, 153, 247)
HSL	hsl(219, 90%, 68%)
HSV	hsv(219, 59%, 97%)
CMYK	cmyk(59.1%, 38.1%, 0%, 3.1%)
CIE-LAB	lab(63.56, 10.41, -52.21)
CIE-LCH	lch(63.56, 53.23, 281.27°)
OKLab	oklab(68.91% -0.0224 -0.1482)
OKLCH	oklch(68.91% 0.15 261.4)
XYZ	xyz(33.5407, 32.2617, 92.4372)
Luminance	0.3226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6599F7 #F7C365

analogous

#65E2F7 #6599F7 #7A65F7

triadic

#6599F7 #F76599 #99F765

tetradic

#6599F7 #F765E2 #F7C365 #65F77A

square

#6599F7 #F765E2 #F7C365 #65F77A

split-complementary

#6599F7 #F77A65 #E2F765

monochromatic

#0B54D6 #2B72F4 #6599F7 #9FC0FA #D9E6FD

Accessibility & contrast

On white

2.82

#6599F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#6599F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6599F7

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6599F7	#FFFFFF	#000000	##000000
##6599F7	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#71A1FB

Deuteranopia (green-blind)

#5D94F5

Tritanopia (blue-blind)

#00AEBC

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #6599f7;
/* rgb */ color: rgb(101, 153, 247);
/* oklch */ color: oklch(68.9% 0.150 261.4);

Tailwind

colors: {
  custom: {
    50: '#9cb6fa',
    500: '#6599f7',
    950: '#000000',
  },
}

SCSS

$custom: #6599f7;
$custom-light: #9cb6fa;
$custom-dark: #000000;

JSON

{
  "hex": "#6599f7",
  "rgb": {
    "r": 101,
    "g": 153,
    "b": 247
  },
  "hsl": {
    "h": 218.63,
    "s": 90.123,
    "l": 68.235
  },
  "oklch": {
    "l": 0.68906,
    "c": 0.14987,
    "h": 261.4
  },
  "luminance": 0.32265
}

Semantic roles & 50–950 ramp

primary

#6599F7

secondary

#F2E2C6

accent

#9400E6

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #6599F7

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

Preview Lab → · Contrast checker → · Palette generator →