#3774CC#3774CC

#3774CC is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.4% C 0.150 H 257.9°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#3774CC
RGBrgb(55, 116, 204)
HSLhsl(215, 59%, 51%)
HSVhsv(215, 73%, 80%)
CMYKcmyk(73%, 43.1%, 0%, 20%)
CIE-LABlab(49.08, 10.36, -51.34)
CIE-LCHlch(49.08, 52.37, 281.41°)
OKLaboklab(56.4% -0.0315 -0.1469)
OKLCHoklch(56.4% 0.15 257.9)
XYZxyz(18.7160, 17.6606, 59.5375)
Luminance0.1766 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3774CC #CC8F37
analogous
#37BFCC #3774CC #4437CC
triadic
#3774CC #CC3774 #74CC37
tetradic
#3774CC #CC37BF #CC8F37 #37CC44
square
#3774CC #CC37BF #CC8F37 #37CC44
split-complementary
#3774CC #CC4437 #BFCC37
monochromatic
#1C3D6D #28589E #3774CC #6896D8 #99B8E5

Accessibility & contrast

On white

4.63
#3774CC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.53
#3774CC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3774CC
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3774CC#FFFFFF#000000##FFFFFF
##3774CC1.004.634.534.63
#FFFFFF4.631.0021.001.00
#0000004.5321.001.0021.00
##FFFFFF4.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#497CCF
Deuteranopia (green-blind)
#2D6ECA
Tritanopia (blue-blind)
#008996
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #3774cc;
/* rgb */ color: rgb(55, 116, 204);
/* oklch */ color: oklch(56.4% 0.150 257.9);
Tailwind
colors: {
  custom: {
    50: '#819bdc',
    500: '#3774cc',
    950: '#000000',
  },
}
SCSS
$custom: #3774cc;
$custom-light: #819bdc;
$custom-dark: #000000;
JSON
{
  "hex": "#3774cc",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 215.436,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56402,
    "c": 0.15021,
    "h": 257.9
  },
  "luminance": 0.17663
}

Semantic roles & 50–950 ramp

primary
#3774CC
secondary
#D0B58E
accent
#A245E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3774CC

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

Preview Lab → · Contrast checker → · Palette generator →

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