#3F46D9#3F46D9

#3F46D9 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.9% C 0.219 H 272.8°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX#3F46D9
RGBrgb(63, 70, 217)
HSLhsl(237, 67%, 55%)
HSVhsv(237, 71%, 85%)
CMYKcmyk(71%, 67.7%, 0%, 14.9%)
CIE-LABlab(38.63, 44.91, -75.72)
CIE-LCHlch(38.63, 88.04, 300.67°)
OKLaboklab(48.95% 0.0109 -0.2189)
OKLCHoklch(48.95% 0.219 272.8)
XYZxyz(16.7602, 10.4452, 66.7650)
Luminance0.1045 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F46D9 #D9D23F
analogous
#3F93D9 #3F46D9 #853FD9
triadic
#3F46D9 #D93F46 #46D93F
tetradic
#3F46D9 #D93F93 #D9D23F #3FD985
square
#3F46D9 #D93F93 #D9D23F #3FD985
split-complementary
#3F46D9 #D9853F #93D93F
monochromatic
#1A1F84 #242BB7 #3F46D9 #7277E3 #A5A8ED

Accessibility & contrast

On white

6.80
#3F46D9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.09
#3F46D9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F46D9
6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F46D9#FFFFFF#000000##FFFFFF
##3F46D91.006.803.096.80
#FFFFFF6.801.0021.001.00
#0000003.0921.001.0021.00
##FFFFFF6.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062DE
Deuteranopia (green-blind)
#0054D6
Tritanopia (blue-blind)
#006E8A
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #3f46d9;
/* rgb */ color: rgb(63, 70, 217);
/* oklch */ color: oklch(48.9% 0.219 272.8);
Tailwind
colors: {
  custom: {
    50: '#897ae6',
    500: '#3f46d9',
    950: '#000000',
  },
}
SCSS
$custom: #3f46d9;
$custom-light: #897ae6;
$custom-dark: #000000;
JSON
{
  "hex": "#3f46d9",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 217
  },
  "hsl": {
    "h": 237.273,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48948,
    "c": 0.2192,
    "h": 272.8
  },
  "luminance": 0.10447
}

Semantic roles & 50–950 ramp

primary
#3F46D9
secondary
#DAD79A
accent
#E23EEA
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0D0916
muted
#7E7B84

Preview Lab

Preview with #3F46D9

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

Preview Lab → · Contrast checker → · Palette generator →

#3F46D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva