#3D66AF#3D66AF

#3D66AF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.7% C 0.125 H 261.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX#3D66AF
RGBrgb(61, 102, 175)
HSLhsl(218, 48%, 46%)
HSVhsv(218, 65%, 69%)
CMYKcmyk(65.1%, 41.7%, 0%, 31.4%)
CIE-LABlab(43.64, 9.56, -43.24)
CIE-LCHlch(43.64, 44.29, 282.47°)
OKLaboklab(51.71% -0.0194 -0.1232)
OKLCHoklch(51.71% 0.125 261.1)
XYZxyz(14.4110, 13.5886, 42.4125)
Luminance0.1359 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D66AF #AF863D
analogous
#3D9FAF #3D66AF #4D3DAF
triadic
#3D66AF #AF3D66 #66AF3D
tetradic
#3D66AF #AF3D9F #AF863D #3DAF4D
square
#3D66AF #AF3D9F #AF863D #3DAF4D
split-complementary
#3D66AF #AF4D3D #9FAF3D
monochromatic
#1D3154 #2D4C82 #3D66AF #6186C8 #8FA9D8

Accessibility & contrast

On white

5.65
#3D66AF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.72
#3D66AF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D66AF
5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D66AF#FFFFFF#000000##FFFFFF
##3D66AF1.005.653.725.65
#FFFFFF5.651.0021.001.00
#0000003.7221.001.0021.00
##FFFFFF5.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#456DB2
Deuteranopia (green-blind)
#3462AD
Tritanopia (blue-blind)
#007782
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #3d66af;
/* rgb */ color: rgb(61, 102, 175);
/* oklch */ color: oklch(51.7% 0.125 261.1);
Tailwind
colors: {
  custom: {
    50: '#7e91c7',
    500: '#3d66af',
    950: '#000000',
  },
}
SCSS
$custom: #3d66af;
$custom-light: #7e91c7;
$custom-dark: #000000;
JSON
{
  "hex": "#3d66af",
  "rgb": {
    "r": 61,
    "g": 102,
    "b": 175
  },
  "hsl": {
    "h": 218.421,
    "s": 48.305,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5171,
    "c": 0.12474,
    "h": 261.1
  },
  "luminance": 0.1359
}

Semantic roles & 50–950 ramp

primary
#3D66AF
secondary
#C3AD85
accent
#A750D8
background
#F8F8FC
surface
#EFF0F8
border
#CACBD1
text
#0B0C13
muted
#7C7D82

Preview Lab

Preview with #3D66AF

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

Preview Lab → · Contrast checker → · Palette generator →

#3D66AF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva