#6599FD#6599FD

#6599FD is a light, vivid blue. Relative luminance 0.326; OKLCH L 69.2% C 0.158 H 262.3°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX#6599FD
RGBrgb(101, 153, 253)
HSLhsl(219, 97%, 69%)
HSVhsv(219, 60%, 99%)
CMYKcmyk(60.1%, 39.5%, 0%, 0.8%)
CIE-LABlab(63.87, 12.35, -55.00)
CIE-LCHlch(63.87, 56.37, 282.66°)
OKLaboklab(69.25% -0.0211 -0.1564)
OKLCHoklch(69.25% 0.158 262.3)
XYZxyz(34.4815, 32.6380, 97.3921)
Luminance0.3264 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6599FD #FDC965
analogous
#65E5FD #6599FD #7D65FD
triadic
#6599FD #FD6599 #99FD65
tetradic
#6599FD #FD65E5 #FDC965 #65FD7D
square
#6599FD #FD65E5 #FDC965 #65FD7D
split-complementary
#6599FD #FD7D65 #E5FD65
monochromatic
#0350E5 #2971FC #6599FD #A1C1FE #DEE9FF

Accessibility & contrast

On white

2.79
#6599FD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.53
#6599FD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6599FD
7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6599FD#FFFFFF#000000##000000
##6599FD1.002.797.537.53
#FFFFFF2.791.0021.0021.00
#0000007.5321.001.001.00
##0000007.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6DA2FF
Deuteranopia (green-blind)
#5894FB
Tritanopia (blue-blind)
#00AFBF
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #6599fd;
/* rgb */ color: rgb(101, 153, 253);
/* oklch */ color: oklch(69.2% 0.158 262.3);
Tailwind
colors: {
  custom: {
    50: '#9db6fe',
    500: '#6599fd',
    950: '#000000',
  },
}
SCSS
$custom: #6599fd;
$custom-light: #9db6fe;
$custom-dark: #000000;
JSON
{
  "hex": "#6599fd",
  "rgb": {
    "r": 101,
    "g": 153,
    "b": 253
  },
  "hsl": {
    "h": 219.474,
    "s": 97.436,
    "l": 69.412
  },
  "oklch": {
    "l": 0.69245,
    "c": 0.15779,
    "h": 262.3
  },
  "luminance": 0.32641
}

Semantic roles & 50–950 ramp

primary
#6599FD
secondary
#F5E6C9
accent
#9700E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1118
muted
#7F8086

Preview Lab

Preview with #6599FD

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

Preview Lab → · Contrast checker → · Palette generator →

#6599FD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva