#3F65AC#3F65AC

#3F65AC is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.4% C 0.121 H 261.8°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX#3F65AC
RGBrgb(63, 101, 172)
HSLhsl(219, 46%, 46%)
HSVhsv(219, 63%, 67%)
CMYKcmyk(63.4%, 41.3%, 0%, 32.5%)
CIE-LABlab(43.27, 9.49, -42.05)
CIE-LCHlch(43.27, 43.11, 282.72°)
OKLaboklab(51.4% -0.0172 -0.1197)
OKLCHoklch(51.4% 0.121 261.8)
XYZxyz(14.1474, 13.3414, 40.8513)
Luminance0.1334 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F65AC #AC863F
analogous
#3F9BAC #3F65AC #503FAC
triadic
#3F65AC #AC3F65 #65AC3F
tetradic
#3F65AC #AC3F9B #AC863F #3FAC50
square
#3F65AC #AC3F9B #AC863F #3FAC50
split-complementary
#3F65AC #AC503F #9BAC3F
monochromatic
#1E3052 #2F4B7F #3F65AC #6385C6 #8FA8D6

Accessibility & contrast

On white

5.72
#3F65AC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.67
#3F65AC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F65AC
5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F65AC#FFFFFF#000000##FFFFFF
##3F65AC1.005.723.675.72
#FFFFFF5.721.0021.001.00
#0000003.6721.001.0021.00
##FFFFFF5.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#456CAF
Deuteranopia (green-blind)
#3562AB
Tritanopia (blue-blind)
#007580
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #3f65ac;
/* rgb */ color: rgb(63, 101, 172);
/* oklch */ color: oklch(51.4% 0.121 261.8);
Tailwind
colors: {
  custom: {
    50: '#7e90c5',
    500: '#3f65ac',
    950: '#000000',
  },
}
SCSS
$custom: #3f65ac;
$custom-light: #7e90c5;
$custom-dark: #000000;
JSON
{
  "hex": "#3f65ac",
  "rgb": {
    "r": 63,
    "g": 101,
    "b": 172
  },
  "hsl": {
    "h": 219.083,
    "s": 46.383,
    "l": 46.078
  },
  "oklch": {
    "l": 0.51398,
    "c": 0.12094,
    "h": 261.8
  },
  "luminance": 0.13343
}

Semantic roles & 50–950 ramp

primary
#3F65AC
secondary
#C1AC86
accent
#A852D6
background
#F8F8FC
surface
#EFF0F8
border
#CACBD1
text
#0B0C13
muted
#7C7D82

Preview Lab

Preview with #3F65AC

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

Preview Lab → · Contrast checker → · Palette generator →

#3F65AC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva