#3774D7#3774D7

#3774D7 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.1% C 0.165 H 259.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#3774D7
RGBrgb(55, 116, 215)
HSLhsl(217, 67%, 53%)
HSVhsv(217, 74%, 84%)
CMYKcmyk(74.4%, 46%, 0%, 15.7%)
CIE-LABlab(49.75, 14.41, -56.53)
CIE-LCHlch(49.75, 58.34, 284.30°)
OKLaboklab(57.13% -0.0295 -0.1621)
OKLCHoklch(57.13% 0.165 259.7)
XYZxyz(20.0822, 18.2070, 66.7327)
Luminance0.1821 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3774D7 #D79A37
analogous
#37C4D7 #3774D7 #4A37D7
triadic
#3774D7 #D73774 #74D737
tetradic
#3774D7 #D737C4 #D79A37 #37D74A
square
#3774D7 #D737C4 #D79A37 #37D74A
split-complementary
#3774D7 #D74A37 #C4D737
monochromatic
#193E7B #2358AE #3774D7 #6A97E1 #9DBBEB

Accessibility & contrast

On white

4.52
#3774D7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#3774D7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3774D7
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3774D7#FFFFFF#000000##000000
##3774D71.004.524.644.64
#FFFFFF4.521.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#3F7EDB
Deuteranopia (green-blind)
#196FD5
Tritanopia (blue-blind)
#008B9B
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3774d7;
/* rgb */ color: rgb(55, 116, 215);
/* oklch */ color: oklch(57.1% 0.165 259.7);
Tailwind
colors: {
  custom: {
    50: '#839be4',
    500: '#3774d7',
    950: '#000000',
  },
}
SCSS
$custom: #3774d7;
$custom-light: #839be4;
$custom-dark: #000000;
JSON
{
  "hex": "#3774d7",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 215
  },
  "hsl": {
    "h": 217.125,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57129,
    "c": 0.1648,
    "h": 259.7
  },
  "luminance": 0.18209
}

Semantic roles & 50–950 ramp

primary
#3774D7
secondary
#D7BD92
accent
#A83EEA
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3774D7

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

Preview Lab → · Contrast checker → · Palette generator →

#3774D7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva