#3F4ACE#3F4ACE

#3F4ACE is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.6% C 0.201 H 272.6°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX#3F4ACE
RGBrgb(63, 74, 206)
HSLhsl(235, 59%, 53%)
HSVhsv(235, 69%, 81%)
CMYKcmyk(69.4%, 64.1%, 0%, 19.2%)
CIE-LABlab(38.57, 38.76, -69.49)
CIE-LCHlch(38.57, 79.57, 299.15°)
OKLaboklab(48.61% 0.0093 -0.2007)
OKLCHoklch(48.61% 0.201 272.6)
XYZxyz(15.6355, 10.4090, 59.5657)
Luminance0.1041 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F4ACE #CEC33F
analogous
#3F91CE #3F4ACE #7C3FCE
triadic
#3F4ACE #CE3F4A #4ACE3F
tetradic
#3F4ACE #CE3F91 #CEC33F #3FCE7C
square
#3F4ACE #CE3F91 #CEC33F #3FCE7C
split-complementary
#3F4ACE #CE7C3F #91CE3F
monochromatic
#1E2475 #2A34A6 #3F4ACE #7078DA #A1A6E7

Accessibility & contrast

On white

6.81
#3F4ACE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#3F4ACE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4ACE
6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F4ACE#FFFFFF#000000##FFFFFF
##3F4ACE1.006.813.086.81
#FFFFFF6.811.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061D2
Deuteranopia (green-blind)
#0054CB
Tritanopia (blue-blind)
#006C85
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #3f4ace;
/* rgb */ color: rgb(63, 74, 206);
/* oklch */ color: oklch(48.6% 0.201 272.6);
Tailwind
colors: {
  custom: {
    50: '#867cde',
    500: '#3f4ace',
    950: '#000000',
  },
}
SCSS
$custom: #3f4ace;
$custom-light: #867cde;
$custom-dark: #000000;
JSON
{
  "hex": "#3f4ace",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 206
  },
  "hsl": {
    "h": 235.385,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.48606,
    "c": 0.20089,
    "h": 272.6
  },
  "luminance": 0.10411
}

Semantic roles & 50–950 ramp

primary
#3F4ACE
secondary
#D3CF95
accent
#D645E3
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #3F4ACE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F4ACE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva