#3F68AA#3F68AA

#3F68AA is a mid, moderate blue. Relative luminance 0.139; OKLCH L 51.9% C 0.115 H 259.5°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX#3F68AA
RGBrgb(63, 104, 170)
HSLhsl(217, 46%, 46%)
HSVhsv(217, 63%, 67%)
CMYKcmyk(62.9%, 38.8%, 0%, 33.3%)
CIE-LABlab(44.03, 6.89, -39.68)
CIE-LCHlch(44.03, 40.27, 279.86°)
OKLaboklab(51.95% -0.0209 -0.1127)
OKLCHoklch(51.95% 0.115 259.5)
XYZxyz(14.2533, 13.8584, 39.9462)
Luminance0.1386 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F68AA #AA813F
analogous
#3F9DAA #3F68AA #4B3FAA
triadic
#3F68AA #AA3F68 #68AA3F
tetradic
#3F68AA #AA3F9D #AA813F #3FAA4B
square
#3F68AA #AA3F9D #AA813F #3FAA4B
split-complementary
#3F68AA #AA4B3F #9DAA3F
monochromatic
#1E3151 #2E4D7D #3F68AA #6288C5 #8EA9D5

Accessibility & contrast

On white

5.57
#3F68AA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.77
#3F68AA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68AA
5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F68AA#FFFFFF#000000##FFFFFF
##3F68AA1.005.573.775.57
#FFFFFF5.571.0021.001.00
#0000003.7721.001.0021.00
##FFFFFF5.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B6DAD
Deuteranopia (green-blind)
#3C63A9
Tritanopia (blue-blind)
#007781
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #3f68aa;
/* rgb */ color: rgb(63, 104, 170);
/* oklch */ color: oklch(51.9% 0.115 259.5);
Tailwind
colors: {
  custom: {
    50: '#7e92c3',
    500: '#3f68aa',
    950: '#000000',
  },
}
SCSS
$custom: #3f68aa;
$custom-light: #7e92c3;
$custom-dark: #000000;
JSON
{
  "hex": "#3f68aa",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 170
  },
  "hsl": {
    "h": 217.009,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51948,
    "c": 0.11463,
    "h": 259.5
  },
  "luminance": 0.1386
}

Semantic roles & 50–950 ramp

primary
#3F68AA
secondary
#C0A985
accent
#A352D6
background
#F8F8FC
surface
#EFF0F8
border
#CACBD1
text
#0B0D12
muted
#7C7D81

Preview Lab

Preview with #3F68AA

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

Preview Lab → · Contrast checker → · Palette generator →

#3F68AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva