#3D66CE#3D66CE

#3D66CE is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.8% C 0.168 H 265.0°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX#3D66CE
RGBrgb(61, 102, 206)
HSLhsl(223, 60%, 52%)
HSVhsv(223, 70%, 81%)
CMYKcmyk(70.4%, 50.5%, 0%, 19.2%)
CIE-LABlab(45.56, 20.77, -58.12)
CIE-LCHlch(45.56, 61.72, 289.66°)
OKLaboklab(53.81% -0.0145 -0.167)
OKLCHoklch(53.81% 0.168 265)
XYZxyz(17.8125, 14.9492, 60.3273)
Luminance0.1495 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D66CE #CEA53D
analogous
#3DAFCE #3D66CE #5C3DCE
triadic
#3D66CE #CE3D66 #66CE3D
tetradic
#3D66CE #CE3DAF #CEA53D #3DCE5C
square
#3D66CE #CE3DAF #CEA53D #3DCE5C
split-complementary
#3D66CE #CE5C3D #AFCE3D
monochromatic
#1D3673 #294CA4 #3D66CE #6E8DDA #9FB3E7

Accessibility & contrast

On white

5.26
#3D66CE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.99
#3D66CE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D66CE
5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D66CE#FFFFFF#000000##FFFFFF
##3D66CE1.005.263.995.26
#FFFFFF5.261.0021.001.00
#0000003.9921.001.0021.00
##FFFFFF5.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2773D2
Deuteranopia (green-blind)
#0066CC
Tritanopia (blue-blind)
#007F90
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #3d66ce;
/* rgb */ color: rgb(61, 102, 206);
/* oklch */ color: oklch(53.8% 0.168 265.0);
Tailwind
colors: {
  custom: {
    50: '#8491de',
    500: '#3d66ce',
    950: '#000000',
  },
}
SCSS
$custom: #3d66ce;
$custom-light: #8491de;
$custom-dark: #000000;
JSON
{
  "hex": "#3d66ce",
  "rgb": {
    "r": 61,
    "g": 102,
    "b": 206
  },
  "hsl": {
    "h": 223.034,
    "s": 59.671,
    "l": 52.353
  },
  "oklch": {
    "l": 0.53808,
    "c": 0.16759,
    "h": 265
  },
  "luminance": 0.14951
}

Semantic roles & 50–950 ramp

primary
#3D66CE
secondary
#D3C194
accent
#B645E3
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0C15
muted
#7D7D83

Preview Lab

Preview with #3D66CE

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

Preview Lab → · Contrast checker → · Palette generator →

#3D66CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva