#3F4AD1#3F4AD1

#3F4AD1 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 48.9% C 0.205 H 272.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX#3F4AD1
RGBrgb(63, 74, 209)
HSLhsl(235, 61%, 53%)
HSVhsv(235, 70%, 82%)
CMYKcmyk(69.9%, 64.6%, 0%, 18%)
CIE-LABlab(38.82, 39.79, -70.80)
CIE-LCHlch(38.82, 81.22, 299.34°)
OKLaboklab(48.87% 0.0091 -0.2045)
OKLCHoklch(48.87% 0.205 272.5)
XYZxyz(16.0034, 10.5562, 61.5034)
Luminance0.1056 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F4AD1 #D1C63F
analogous
#3F93D1 #3F4AD1 #7D3FD1
triadic
#3F4AD1 #D13F4A #4AD13F
tetradic
#3F4AD1 #D13F93 #D1C63F #3FD17D
square
#3F4AD1 #D13F93 #D1C63F #3FD17D
split-complementary
#3F4AD1 #D17D3F #93D13F
monochromatic
#1D2479 #2932AA #3F4AD1 #7079DD #A2A7E9

Accessibility & contrast

On white

6.75
#3F4AD1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#3F4AD1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4AD1
6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F4AD1#FFFFFF#000000##FFFFFF
##3F4AD11.006.753.116.75
#FFFFFF6.751.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062D5
Deuteranopia (green-blind)
#0055CE
Tritanopia (blue-blind)
#006D87
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #3f4ad1;
/* rgb */ color: rgb(63, 74, 209);
/* oklch */ color: oklch(48.9% 0.205 272.5);
Tailwind
colors: {
  custom: {
    50: '#877de0',
    500: '#3f4ad1',
    950: '#000000',
  },
}
SCSS
$custom: #3f4ad1;
$custom-light: #877de0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f4ad1",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 209
  },
  "hsl": {
    "h": 235.479,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48872,
    "c": 0.20473,
    "h": 272.5
  },
  "luminance": 0.10558
}

Semantic roles & 50–950 ramp

primary
#3F4AD1
secondary
#D5D197
accent
#D843E4
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #3F4AD1

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

Preview Lab → · Contrast checker → · Palette generator →

#3F4AD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva