#3774D9#3774D9

#3774D9 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.3% C 0.167 H 260.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX#3774D9
RGBrgb(55, 116, 217)
HSLhsl(217, 68%, 53%)
HSVhsv(217, 75%, 85%)
CMYKcmyk(74.7%, 46.5%, 0%, 14.9%)
CIE-LABlab(49.87, 15.15, -57.46)
CIE-LCHlch(49.87, 59.43, 284.77°)
OKLaboklab(57.27% -0.0292 -0.1649)
OKLCHoklch(57.27% 0.167 260)
XYZxyz(20.3408, 18.3105, 68.0944)
Luminance0.1831 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3774D9 #D99C37
analogous
#37C5D9 #3774D9 #4B37D9
triadic
#3774D9 #D93774 #74D937
tetradic
#3774D9 #D937C5 #D99C37 #37D94B
square
#3774D9 #D937C5 #D99C37 #37D94B
split-complementary
#3774D9 #D94B37 #C5D937
monochromatic
#183E7E #2258B1 #3774D9 #6A98E3 #9EBBED

Accessibility & contrast

On white

4.50
#3774D9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.66
#3774D9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3774D9
4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3774D9#FFFFFF#000000##000000
##3774D91.004.504.664.66
#FFFFFF4.501.0021.0021.00
#0000004.6621.001.001.00
##0000004.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#3E7FDD
Deuteranopia (green-blind)
#1270D7
Tritanopia (blue-blind)
#008C9C
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3774d9;
/* rgb */ color: rgb(55, 116, 217);
/* oklch */ color: oklch(57.3% 0.167 260.0);
Tailwind
colors: {
  custom: {
    50: '#839be5',
    500: '#3774d9',
    950: '#000000',
  },
}
SCSS
$custom: #3774d9;
$custom-light: #839be5;
$custom-dark: #000000;
JSON
{
  "hex": "#3774d9",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 217
  },
  "hsl": {
    "h": 217.407,
    "s": 68.067,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57265,
    "c": 0.16745,
    "h": 260
  },
  "luminance": 0.18313
}

Semantic roles & 50–950 ramp

primary
#3774D9
secondary
#D9BE93
accent
#A93DEB
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3774D9

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

Preview Lab → · Contrast checker → · Palette generator →

#3774D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva