#6397E9#6397E9

#6397E9 is a light, vivid blue. Relative luminance 0.307; OKLCH L 67.6% C 0.134 H 259.2°. Best body text is #000000 at 7.13:1 contrast (WCAG AA passes).

Color values

HEX#6397E9
RGBrgb(99, 151, 233)
HSLhsl(217, 75%, 65%)
HSVhsv(217, 58%, 91%)
CMYKcmyk(57.5%, 35.2%, 0%, 8.6%)
CIE-LABlab(62.23, 6.68, -46.62)
CIE-LCHlch(62.23, 47.10, 278.16°)
OKLaboklab(67.62% -0.0252 -0.1319)
OKLCHoklch(67.62% 0.134 259.2)
XYZxyz(30.9151, 30.6665, 81.3651)
Luminance0.3067 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6397E9 #E9B563
analogous
#63DAE9 #6397E9 #7263E9
triadic
#6397E9 #E96397 #97E963
tetradic
#6397E9 #E963DA #E9B563 #63E972
square
#6397E9 #E963DA #E9B563 #63E972
split-complementary
#6397E9 #E97263 #DAE963
monochromatic
#1A57B8 #2D73E1 #6397E9 #99BBF1 #CEDFF8

Accessibility & contrast

On white

2.94
#6397E9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.13
#6397E9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #6397E9
7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6397E9#FFFFFF#000000##000000
##6397E91.002.947.137.13
#FFFFFF2.941.0021.0021.00
#0000007.1321.001.001.00
##0000007.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#759DEC
Deuteranopia (green-blind)
#6491E7
Tritanopia (blue-blind)
#00A9B5
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #6397e9;
/* rgb */ color: rgb(99, 151, 233);
/* oklch */ color: oklch(67.6% 0.134 259.2);
Tailwind
colors: {
  custom: {
    50: '#99b5f0',
    500: '#6397e9',
    950: '#000000',
  },
}
SCSS
$custom: #6397e9;
$custom-light: #99b5f0;
$custom-dark: #000000;
JSON
{
  "hex": "#6397e9",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 233
  },
  "hsl": {
    "h": 216.716,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.67617,
    "c": 0.13431,
    "h": 259.2
  },
  "luminance": 0.30669
}

Semantic roles & 50–950 ramp

primary
#6397E9
secondary
#EBD9BD
accent
#890ED7
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0F1116
muted
#7E8084

Preview Lab

Preview with #6397E9

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

Preview Lab → · Contrast checker → · Palette generator →

#6397E9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva