#3D66EE#3D66EE

#3D66EE is a mid, highly saturated blue. Relative luminance 0.167; OKLCH L 56.2% C 0.210 H 266.7°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX#3D66EE
RGBrgb(61, 102, 238)
HSLhsl(226, 84%, 59%)
HSVhsv(226, 74%, 93%)
CMYKcmyk(74.4%, 57.1%, 0%, 6.7%)
CIE-LABlab(47.84, 32.32, -72.58)
CIE-LCHlch(47.84, 79.45, 294.00°)
OKLaboklab(56.24% -0.0122 -0.2095)
OKLCHoklch(56.24% 0.21 266.7)
XYZxyz(22.1031, 16.6655, 82.9242)
Luminance0.1667 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D66EE #EEC53D
analogous
#3DBEEE #3D66EE #6C3DEE
triadic
#3D66EE #EE3D66 #66EE3D
tetradic
#3D66EE #EE3DBE #EEC53D #3DEE6C
square
#3D66EE #EE3DBE #EEC53D #3DEE6C
split-complementary
#3D66EE #EE6C3D #BEEE3D
monochromatic
#0E31A2 #1341DB #3D66EE #7592F3 #AEBFF8

Accessibility & contrast

On white

4.85
#3D66EE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.33
#3D66EE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D66EE
4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D66EE#FFFFFF#000000##FFFFFF
##3D66EE1.004.854.334.85
#FFFFFF4.851.0021.001.00
#0000004.3321.001.0021.00
##FFFFFF4.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#007AF3
Deuteranopia (green-blind)
#006AEB
Tritanopia (blue-blind)
#0088A0
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3d66ee;
/* rgb */ color: rgb(61, 102, 238);
/* oklch */ color: oklch(56.2% 0.210 266.7);
Tailwind
colors: {
  custom: {
    50: '#8a91f4',
    500: '#3d66ee',
    950: '#000000',
  },
}
SCSS
$custom: #3d66ee;
$custom-light: #8a91f4;
$custom-dark: #000000;
JSON
{
  "hex": "#3d66ee",
  "rgb": {
    "r": 61,
    "g": 102,
    "b": 238
  },
  "hsl": {
    "h": 226.102,
    "s": 83.886,
    "l": 58.627
  },
  "oklch": {
    "l": 0.56239,
    "c": 0.20985,
    "h": 266.7
  },
  "luminance": 0.16668
}

Semantic roles & 50–950 ramp

primary
#3D66EE
secondary
#E6D6A0
accent
#CB2EFA
background
#F9F8FF
surface
#F2F0FE
border
#CCCBD6
text
#0E0C17
muted
#7E7D85

Preview Lab

Preview with #3D66EE

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

Preview Lab → · Contrast checker → · Palette generator →

#3D66EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva