#6597FF#6597FF

#6597FF is a light, vivid blue. Relative luminance 0.321; OKLCH L 68.9% C 0.163 H 263.4°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX#6597FF
RGBrgb(101, 151, 255)
HSLhsl(221, 100%, 70%)
HSVhsv(221, 60%, 100%)
CMYKcmyk(60.4%, 40.8%, 0%, 0%)
CIE-LABlab(63.44, 14.18, -56.77)
CIE-LCHlch(63.44, 58.52, 284.02°)
OKLaboklab(68.95% -0.0187 -0.1616)
OKLCHoklch(68.95% 0.163 263.4)
XYZxyz(34.4772, 32.1169, 98.9706)
Luminance0.3212 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6597FF #FFCD65
analogous
#65E4FF #6597FF #8065FF
triadic
#6597FF #FF6597 #97FF65
tetradic
#6597FF #FF65E4 #FFCD65 #65FF80
square
#6597FF #FF65E4 #FFCD65 #65FF80
split-complementary
#6597FF #FF8065 #E4FF65
monochromatic
#004CEA #286EFF #6597FF #A2C0FF #DFEAFF

Accessibility & contrast

On white

2.83
#6597FF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.42
#6597FF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6597FF
7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6597FF#FFFFFF#000000##000000
##6597FF1.002.837.427.42
#FFFFFF2.831.0021.0021.00
#0000007.4221.001.001.00
##0000007.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#69A1FF
Deuteranopia (green-blind)
#5393FD
Tritanopia (blue-blind)
#00AEBF
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #6597ff;
/* rgb */ color: rgb(101, 151, 255);
/* oklch */ color: oklch(68.9% 0.163 263.4);
Tailwind
colors: {
  custom: {
    50: '#9db5ff',
    500: '#6597ff',
    950: '#000000',
  },
}
SCSS
$custom: #6597ff;
$custom-light: #9db5ff;
$custom-dark: #000000;
JSON
{
  "hex": "#6597ff",
  "rgb": {
    "r": 101,
    "g": 151,
    "b": 255
  },
  "hsl": {
    "h": 220.519,
    "s": 100,
    "l": 69.804
  },
  "oklch": {
    "l": 0.68949,
    "c": 0.16267,
    "h": 263.4
  },
  "luminance": 0.3212
}

Semantic roles & 50–950 ramp

primary
#6597FF
secondary
#F6E8CA
accent
#9B00E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1118
muted
#7F8086

Preview Lab

Preview with #6597FF

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

Preview Lab → · Contrast checker → · Palette generator →

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