#3959DE#3959DE

#3959DE is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.3% C 0.206 H 268.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#3959DE
RGBrgb(57, 89, 222)
HSLhsl(228, 71%, 55%)
HSVhsv(228, 74%, 87%)
CMYKcmyk(74.3%, 59.9%, 0%, 12.9%)
CIE-LABlab(43.19, 34.32, -71.12)
CIE-LCHlch(43.19, 78.97, 295.76°)
OKLaboklab(52.34% -0.0072 -0.2054)
OKLCHoklch(52.34% 0.206 268)
XYZxyz(18.4400, 13.2865, 70.6858)
Luminance0.1329 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3959DE #DEBE39
analogous
#39ABDE #3959DE #6C39DE
triadic
#3959DE #DE3959 #59DE39
tetradic
#3959DE #DE39AB #DEBE39 #39DE6C
square
#3959DE #DE39AB #DEBE39 #39DE6C
split-complementary
#3959DE #DE6C39 #ABDE39
monochromatic
#162C86 #1F3DBB #3959DE #6D85E7 #A2B1EF

Accessibility & contrast

On white

5.74
#3959DE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.66
#3959DE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959DE
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3959DE#FFFFFF#000000##FFFFFF
##3959DE1.005.743.665.74
#FFFFFF5.741.0021.001.00
#0000003.6621.001.0021.00
##FFFFFF5.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006EE2
Deuteranopia (green-blind)
#005FDB
Tritanopia (blue-blind)
#007B93
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #3959de;
/* rgb */ color: rgb(57, 89, 222);
/* oklch */ color: oklch(52.3% 0.206 268.0);
Tailwind
colors: {
  custom: {
    50: '#8687e9',
    500: '#3959de',
    950: '#000000',
  },
}
SCSS
$custom: #3959de;
$custom-light: #8687e9;
$custom-dark: #000000;
JSON
{
  "hex": "#3959de",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 222
  },
  "hsl": {
    "h": 228.364,
    "s": 71.429,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52343,
    "c": 0.20557,
    "h": 268
  },
  "luminance": 0.13289
}

Semantic roles & 50–950 ramp

primary
#3959DE
secondary
#DCCF97
accent
#CB3AEE
background
#F9F8FE
surface
#F1EFFD
border
#CBCAD5
text
#0D0B16
muted
#7E7C84

Preview Lab

Preview with #3959DE

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

Preview Lab → · Contrast checker → · Palette generator →

#3959DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva