#3F568D#3F568D

#3F568D is a mid, moderate blue. Relative luminance 0.096; OKLCH L 46.1% C 0.094 H 265.7°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX#3F568D
RGBrgb(63, 86, 141)
HSLhsl(222, 38%, 40%)
HSVhsv(222, 55%, 55%)
CMYKcmyk(55.3%, 39%, 0%, 44.7%)
CIE-LABlab(37.18, 8.26, -33.21)
CIE-LCHlch(37.18, 34.22, 283.97°)
OKLaboklab(46.12% -0.0071 -0.094)
OKLCHoklch(46.12% 0.094 265.7)
XYZxyz(10.1838, 9.6347, 26.5172)
Luminance0.0964 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F568D #8D763F
analogous
#3F7D8D #3F568D #4F3F8D
triadic
#3F568D #8D3F56 #568D3F
tetradic
#3F568D #8D3F7D #8D763F #3F8D4F
square
#3F568D #8D3F7D #8D763F #3F8D4F
split-complementary
#3F568D #8D4F3F #7D8D3F
monochromatic
#192238 #2C3C63 #3F568D #5671B3 #8095C6

Accessibility & contrast

On white

7.17
#3F568D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.93
#3F568D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F568D
7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F568D#FFFFFF#000000##FFFFFF
##3F568D1.007.172.937.17
#FFFFFF7.171.0021.001.00
#0000002.9321.001.0021.00
##FFFFFF7.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405B8F
Deuteranopia (green-blind)
#37548C
Tritanopia (blue-blind)
#15626A
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #3f568d;
/* rgb */ color: rgb(63, 86, 141);
/* oklch */ color: oklch(46.1% 0.094 265.7);
Tailwind
colors: {
  custom: {
    50: '#7a85ae',
    500: '#3f568d',
    950: '#000000',
  },
}
SCSS
$custom: #3f568d;
$custom-light: #7a85ae;
$custom-dark: #000000;
JSON
{
  "hex": "#3f568d",
  "rgb": {
    "r": 63,
    "g": 86,
    "b": 141
  },
  "hsl": {
    "h": 222.308,
    "s": 38.235,
    "l": 40
  },
  "oklch": {
    "l": 0.46122,
    "c": 0.09426,
    "h": 265.7
  },
  "luminance": 0.09635
}

Semantic roles & 50–950 ramp

primary
#3F568D
secondary
#B1A077
accent
#AC5ACE
background
#F7F8FA
surface
#EEEFF4
border
#C9CACE
text
#0A0B10
muted
#7C7C7F

Preview Lab

Preview with #3F568D

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

Preview Lab → · Contrast checker → · Palette generator →

#3F568D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva