#6597DF#6597DF

#6597DF is a light, vivid blue. Relative luminance 0.302; OKLCH L 67.2% C 0.120 H 257.5°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX#6597DF
RGBrgb(101, 151, 223)
HSLhsl(215, 66%, 64%)
HSVhsv(215, 55%, 87%)
CMYKcmyk(54.7%, 32.3%, 0%, 12.5%)
CIE-LABlab(61.85, 3.92, -41.67)
CIE-LCHlch(61.85, 41.86, 275.38°)
OKLaboklab(67.19% -0.026 -0.1175)
OKLCHoklch(67.19% 0.12 257.5)
XYZxyz(29.7481, 30.2253, 74.0642)
Luminance0.3023 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6597DF #DFAD65
analogous
#65D4DF #6597DF #7065DF
triadic
#6597DF #DF6597 #97DF65
tetradic
#6597DF #DF65D4 #DFAD65 #65DF70
square
#6597DF #DF65D4 #DFAD65 #65DF70
split-complementary
#6597DF #DF7065 #D4DF65
monochromatic
#2359A7 #3275D4 #6597DF #98B9EA #CADBF4

Accessibility & contrast

On white

2.98
#6597DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.05
#6597DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6597DF
7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6597DF#FFFFFF#000000##000000
##6597DF1.002.987.057.05
#FFFFFF2.981.0021.0021.00
#0000007.0521.001.001.00
##0000007.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A9CE2
Deuteranopia (green-blind)
#6B90DD
Tritanopia (blue-blind)
#15A7B1
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #6597df;
/* rgb */ color: rgb(101, 151, 223);
/* oklch */ color: oklch(67.2% 0.120 257.5);
Tailwind
colors: {
  custom: {
    50: '#99b5e9',
    500: '#6597df',
    950: '#000000',
  },
}
SCSS
$custom: #6597df;
$custom-light: #99b5e9;
$custom-dark: #000000;
JSON
{
  "hex": "#6597df",
  "rgb": {
    "r": 101,
    "g": 151,
    "b": 223
  },
  "hsl": {
    "h": 215.41,
    "s": 65.591,
    "l": 63.529
  },
  "oklch": {
    "l": 0.67194,
    "c": 0.12033,
    "h": 257.5
  },
  "luminance": 0.30228
}

Semantic roles & 50–950 ramp

primary
#6597DF
secondary
#E6D4BA
accent
#8318CD
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #6597DF

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

Preview Lab → · Contrast checker → · Palette generator →

#6597DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva