#3775D7#3775D7

#3775D7 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.3% C 0.164 H 259.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#3775D7
RGBrgb(55, 117, 215)
HSLhsl(217, 67%, 53%)
HSVhsv(217, 74%, 84%)
CMYKcmyk(74.4%, 45.6%, 0%, 15.7%)
CIE-LABlab(50.02, 13.79, -56.08)
CIE-LCHlch(50.02, 57.75, 283.81°)
OKLaboklab(57.34% -0.0303 -0.1608)
OKLCHoklch(57.34% 0.164 259.3)
XYZxyz(20.1981, 18.4388, 66.7714)
Luminance0.1844 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3775D7 #D79937
analogous
#37C5D7 #3775D7 #4937D7
triadic
#3775D7 #D73775 #75D737
tetradic
#3775D7 #D737C5 #D79937 #37D749
square
#3775D7 #D737C5 #D79937 #37D749
split-complementary
#3775D7 #D74937 #C5D737
monochromatic
#193F7B #2359AE #3775D7 #6A98E1 #9DBBEB

Accessibility & contrast

On white

4.48
#3775D7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.69
#3775D7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3775D7
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3775D7#FFFFFF#000000##000000
##3775D71.004.484.694.69
#FFFFFF4.481.0021.0021.00
#0000004.6921.001.001.00
##0000004.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#427FDB
Deuteranopia (green-blind)
#1D70D5
Tritanopia (blue-blind)
#008C9B
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3775d7;
/* rgb */ color: rgb(55, 117, 215);
/* oklch */ color: oklch(57.3% 0.164 259.3);
Tailwind
colors: {
  custom: {
    50: '#839ce4',
    500: '#3775d7',
    950: '#000000',
  },
}
SCSS
$custom: #3775d7;
$custom-light: #839ce4;
$custom-dark: #000000;
JSON
{
  "hex": "#3775d7",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 215
  },
  "hsl": {
    "h": 216.75,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57343,
    "c": 0.16365,
    "h": 259.3
  },
  "luminance": 0.18441
}

Semantic roles & 50–950 ramp

primary
#3775D7
secondary
#D7BD92
accent
#A73EEA
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3775D7

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

Preview Lab → · Contrast checker → · Palette generator →

#3775D7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva