#6358BB#6358BB

#6358BB is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.2% C 0.150 H 285.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX#6358BB
RGBrgb(99, 88, 187)
HSLhsl(247, 42%, 54%)
HSVhsv(247, 53%, 73%)
CMYKcmyk(47.1%, 52.9%, 0%, 26.7%)
CIE-LABlab(43.09, 30.30, -50.99)
CIE-LCHlch(43.09, 59.31, 300.71°)
OKLaboklab(52.17% 0.0388 -0.1452)
OKLCHoklch(52.17% 0.15 285)
XYZxyz(17.6023, 13.2192, 48.6281)
Luminance0.1322 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6358BB #B0BB58
analogous
#587FBB #6358BB #9558BB
triadic
#6358BB #BB6358 #58BB63
tetradic
#6358BB #BB587F #B0BB58 #58BB95
square
#6358BB #BB587F #B0BB58 #58BB95
split-complementary
#6358BB #BB9558 #7FBB58
monochromatic
#332C6C #483E98 #6358BB #8C83CD #B4AFDE

Accessibility & contrast

On white

5.76
#6358BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.64
#6358BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6358BB
5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6358BB#FFFFFF#000000##FFFFFF
##6358BB1.005.763.645.76
#FFFFFF5.761.0021.001.00
#0000003.6421.001.0021.00
##FFFFFF5.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2769BE
Deuteranopia (green-blind)
#2363B9
Tritanopia (blue-blind)
#456D81
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #6358bb;
/* rgb */ color: rgb(99, 88, 187);
/* oklch */ color: oklch(52.2% 0.150 285.0);
Tailwind
colors: {
  custom: {
    50: '#9587d0',
    500: '#6358bb',
    950: '#000000',
  },
}
SCSS
$custom: #6358bb;
$custom-light: #9587d0;
$custom-dark: #000000;
JSON
{
  "hex": "#6358bb",
  "rgb": {
    "r": 99,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 246.667,
    "s": 42.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.52167,
    "c": 0.15035,
    "h": 285
  },
  "luminance": 0.1322
}

Semantic roles & 50–950 ramp

primary
#6358BB
secondary
#C8CDA2
accent
#D256C4
background
#F9F8FC
surface
#F2EFF9
border
#CCCAD2
text
#0E0B14
muted
#7E7C82

Preview Lab

Preview with #6358BB

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

Preview Lab → · Contrast checker → · Palette generator →

#6358BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva