#6599CD#6599CD

#6599CD is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.8% C 0.096 H 249.4°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX#6599CD
RGBrgb(101, 153, 205)
HSLhsl(210, 51%, 60%)
HSVhsv(210, 51%, 80%)
CMYKcmyk(50.7%, 25.4%, 0%, 19.6%)
CIE-LABlab(61.62, -2.75, -32.01)
CIE-LCHlch(61.62, 32.13, 265.08°)
OKLaboklab(66.75% -0.0336 -0.0895)
OKLCHoklch(66.75% 0.096 249.4)
XYZxyz(27.7737, 29.9548, 62.0641)
Luminance0.2996 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6599CD #CD9965
analogous
#65CDCD #6599CD #6565CD
triadic
#6599CD #CD6599 #99CD65
tetradic
#6599CD #CD65CD #CD9965 #65CD65
square
#6599CD #CD65CD #CD9965 #65CD65
split-complementary
#6599CD #CD6565 #CDCD65
monochromatic
#2D5C8B #3C7AB9 #6599CD #93B8DC #C1D6EB

Accessibility & contrast

On white

3.00
#6599CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.99
#6599CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6599CD
6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6599CD#FFFFFF#000000##000000
##6599CD1.003.006.996.99
#FFFFFF3.001.0021.0021.00
#0000006.9921.001.001.00
##0000006.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#849BCF
Deuteranopia (green-blind)
#7690CC
Tritanopia (blue-blind)
#30A5AB
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #6599cd;
/* rgb */ color: rgb(101, 153, 205);
/* oklch */ color: oklch(66.8% 0.096 249.4);
Tailwind
colors: {
  custom: {
    50: '#97b6dc',
    500: '#6599cd',
    950: '#000000',
  },
}
SCSS
$custom: #6599cd;
$custom-light: #97b6dc;
$custom-dark: #000000;
JSON
{
  "hex": "#6599cd",
  "rgb": {
    "r": 101,
    "g": 153,
    "b": 205
  },
  "hsl": {
    "h": 210,
    "s": 50.98,
    "l": 60
  },
  "oklch": {
    "l": 0.66751,
    "c": 0.09561,
    "h": 249.4
  },
  "luminance": 0.29957
}

Semantic roles & 50–950 ramp

primary
#6599CD
secondary
#DBC7B3
accent
#944DDA
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #6599CD

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

Preview Lab → · Contrast checker → · Palette generator →

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