#3744D8#3744D8

#3744D8 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.1% C 0.222 H 270.9°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX#3744D8
RGBrgb(55, 68, 216)
HSLhsl(235, 67%, 53%)
HSVhsv(235, 75%, 85%)
CMYKcmyk(74.5%, 68.5%, 0%, 15.3%)
CIE-LABlab(37.67, 44.94, -76.75)
CIE-LCHlch(37.67, 88.94, 300.35°)
OKLaboklab(48.11% 0.0037 -0.2221)
OKLCHoklch(48.11% 0.222 270.9)
XYZxyz(16.0331, 9.9026, 66.0188)
Luminance0.0990 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3744D8 #D8CB37
analogous
#3795D8 #3744D8 #7A37D8
triadic
#3744D8 #D83744 #44D837
tetradic
#3744D8 #D83795 #D8CB37 #37D87A
square
#3744D8 #D83795 #D8CB37 #37D87A
split-complementary
#3744D8 #D87A37 #95D837
monochromatic
#18207C #222EB0 #3744D8 #6A74E2 #9DA4EC

Accessibility & contrast

On white

7.05
#3744D8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.98
#3744D8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3744D8
7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3744D8#FFFFFF#000000##FFFFFF
##3744D81.007.052.987.05
#FFFFFF7.051.0021.001.00
#0000002.9821.001.0021.00
##FFFFFF7.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0060DD
Deuteranopia (green-blind)
#0051D5
Tritanopia (blue-blind)
#006D89
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #3744d8;
/* rgb */ color: rgb(55, 68, 216);
/* oklch */ color: oklch(48.1% 0.222 270.9);
Tailwind
colors: {
  custom: {
    50: '#8678e5',
    500: '#3744d8',
    950: '#000000',
  },
}
SCSS
$custom: #3744d8;
$custom-light: #8678e5;
$custom-dark: #000000;
JSON
{
  "hex": "#3744d8",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 216
  },
  "hsl": {
    "h": 235.155,
    "s": 67.364,
    "l": 53.137
  },
  "oklch": {
    "l": 0.48107,
    "c": 0.22213,
    "h": 270.9
  },
  "luminance": 0.09904
}

Semantic roles & 50–950 ramp

primary
#3744D8
secondary
#D8D393
accent
#DC3EEA
background
#F9F7FE
surface
#F1EDFC
border
#CBC8D5
text
#0D0916
muted
#7E7B84

Preview Lab

Preview with #3744D8

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

Preview Lab → · Contrast checker → · Palette generator →

#3744D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva