#6599FC#6599FC

#6599FC is a light, vivid blue. Relative luminance 0.326; OKLCH L 69.2% C 0.156 H 262.2°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#6599FC
RGBrgb(101, 153, 252)
HSLhsl(219, 96%, 69%)
HSVhsv(219, 60%, 99%)
CMYKcmyk(59.9%, 39.3%, 0%, 1.2%)
CIE-LABlab(63.81, 12.03, -54.54)
CIE-LCHlch(63.81, 55.85, 282.44°)
OKLaboklab(69.19% -0.0214 -0.155)
OKLCHoklch(69.19% 0.156 262.2)
XYZxyz(34.3226, 32.5744, 96.5553)
Luminance0.3258 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6599FC #FCC865
analogous
#65E4FC #6599FC #7D65FC
triadic
#6599FC #FC6599 #99FC65
tetradic
#6599FC #FC65E4 #FCC865 #65FC7D
square
#6599FC #FC65E4 #FCC865 #65FC7D
split-complementary
#6599FC #FC7D65 #E4FC65
monochromatic
#0451E2 #2971FB #6599FC #A1C1FD #DDE9FE

Accessibility & contrast

On white

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

On black

7.52
#6599FC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6599FC
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6599FC#FFFFFF#000000##000000
##6599FC1.002.797.527.52
#FFFFFF2.791.0021.0021.00
#0000007.5221.001.001.00
##0000007.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6EA2FF
Deuteranopia (green-blind)
#5994FA
Tritanopia (blue-blind)
#00AFBE
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #6599fc;
/* rgb */ color: rgb(101, 153, 252);
/* oklch */ color: oklch(69.2% 0.156 262.2);
Tailwind
colors: {
  custom: {
    50: '#9cb6fe',
    500: '#6599fc',
    950: '#000000',
  },
}
SCSS
$custom: #6599fc;
$custom-light: #9cb6fe;
$custom-dark: #000000;
JSON
{
  "hex": "#6599fc",
  "rgb": {
    "r": 101,
    "g": 153,
    "b": 252
  },
  "hsl": {
    "h": 219.338,
    "s": 96.178,
    "l": 69.216
  },
  "oklch": {
    "l": 0.69188,
    "c": 0.15647,
    "h": 262.2
  },
  "luminance": 0.32577
}

Semantic roles & 50–950 ramp

primary
#6599FC
secondary
#F4E5C8
accent
#9600E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1118
muted
#7F8086

Preview Lab

Preview with #6599FC

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

Preview Lab → · Contrast checker → · Palette generator →

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