#3F58CE#3F58CE

#3F58CE is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.1% C 0.184 H 269.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#3F58CE
RGBrgb(63, 88, 206)
HSLhsl(230, 59%, 53%)
HSVhsv(230, 69%, 81%)
CMYKcmyk(69.4%, 57.3%, 0%, 19.2%)
CIE-LABlab(41.99, 29.98, -63.91)
CIE-LCHlch(41.99, 70.59, 295.13°)
OKLaboklab(51.14% -0.0012 -0.1842)
OKLCHoklch(51.14% 0.184 269.6)
XYZxyz(16.6764, 12.4908, 59.9127)
Luminance0.1249 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F58CE #CEB53F
analogous
#3FA0CE #3F58CE #6D3FCE
triadic
#3F58CE #CE3F58 #58CE3F
tetradic
#3F58CE #CE3FA0 #CEB53F #3FCE6D
square
#3F58CE #CE3FA0 #CEB53F #3FCE6D
split-complementary
#3F58CE #CE6D3F #A0CE3F
monochromatic
#1E2D75 #2A40A6 #3F58CE #7082DA #A1ADE7

Accessibility & contrast

On white

6.00
#3F58CE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#3F58CE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F58CE
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F58CE#FFFFFF#000000##FFFFFF
##3F58CE1.006.003.506.00
#FFFFFF6.001.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006AD2
Deuteranopia (green-blind)
#005DCC
Tritanopia (blue-blind)
#00758A
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #3f58ce;
/* rgb */ color: rgb(63, 88, 206);
/* oklch */ color: oklch(51.1% 0.184 269.6);
Tailwind
colors: {
  custom: {
    50: '#8586de',
    500: '#3f58ce',
    950: '#000000',
  },
}
SCSS
$custom: #3f58ce;
$custom-light: #8586de;
$custom-dark: #000000;
JSON
{
  "hex": "#3f58ce",
  "rgb": {
    "r": 63,
    "g": 88,
    "b": 206
  },
  "hsl": {
    "h": 229.51,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.51135,
    "c": 0.18417,
    "h": 269.6
  },
  "luminance": 0.12492
}

Semantic roles & 50–950 ramp

primary
#3F58CE
secondary
#D3C995
accent
#C745E3
background
#F8F8FD
surface
#F0EFFB
border
#CBCAD4
text
#0C0B15
muted
#7D7C83

Preview Lab

Preview with #3F58CE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F58CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva