#6359CF#6359CF

#6359CF is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.8% C 0.176 H 282.5°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#6359CF
RGBrgb(99, 89, 207)
HSLhsl(245, 55%, 58%)
HSVhsv(245, 57%, 81%)
CMYKcmyk(52.2%, 57%, 0%, 18.8%)
CIE-LABlab(44.66, 35.81, -60.04)
CIE-LCHlch(44.66, 69.91, 300.81°)
OKLaboklab(53.76% 0.0382 -0.1718)
OKLCHoklch(53.76% 0.176 282.5)
XYZxyz(19.9770, 14.3013, 60.7272)
Luminance0.1430 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6359CF #C5CF59
analogous
#598ACF #6359CF #9E59CF
triadic
#6359CF #CF6359 #59CF63
tetradic
#6359CF #CF598A #C5CF59 #59CF9E
square
#6359CF #CF598A #C5CF59 #59CF9E
split-complementary
#6359CF #CF9E59 #8ACF59
monochromatic
#2F2787 #4035B6 #6359CF #9088DD #BCB8EA

Accessibility & contrast

On white

5.44
#6359CF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.86
#6359CF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6359CF
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6359CF#FFFFFF#000000##FFFFFF
##6359CF1.005.443.865.44
#FFFFFF5.441.0021.001.00
#0000003.8621.001.0021.00
##FFFFFF5.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006ED3
Deuteranopia (green-blind)
#0066CD
Tritanopia (blue-blind)
#36748B
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #6359cf;
/* rgb */ color: rgb(99, 89, 207);
/* oklch */ color: oklch(53.8% 0.176 282.5);
Tailwind
colors: {
  custom: {
    50: '#9888de',
    500: '#6359cf',
    950: '#000000',
  },
}
SCSS
$custom: #6359cf;
$custom-light: #9888de;
$custom-dark: #000000;
JSON
{
  "hex": "#6359cf",
  "rgb": {
    "r": 99,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 245.085,
    "s": 55.14,
    "l": 58.039
  },
  "oklch": {
    "l": 0.53758,
    "c": 0.17604,
    "h": 282.5
  },
  "luminance": 0.14302
}

Semantic roles & 50–950 ramp

primary
#6359CF
secondary
#D5D9AA
accent
#DE49D2
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0E0B15
muted
#7E7C83

Preview Lab

Preview with #6359CF

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

Preview Lab → · Contrast checker → · Palette generator →

#6359CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva