#375EB4#375EB4

#375EB4 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.144 H 263.7°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#375EB4
RGBrgb(55, 94, 180)
HSLhsl(221, 53%, 46%)
HSVhsv(221, 69%, 71%)
CMYKcmyk(69.4%, 47.8%, 0%, 29.4%)
CIE-LABlab(41.39, 15.50, -49.78)
CIE-LCHlch(41.39, 52.14, 287.29°)
OKLaboklab(50.01% -0.0158 -0.1427)
OKLCHoklch(50.01% 0.144 263.7)
XYZxyz(13.8136, 12.1115, 44.7809)
Luminance0.1211 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#375EB4 #B48D37
analogous
#379CB4 #375EB4 #4E37B4
triadic
#375EB4 #B4375E #5EB437
tetradic
#375EB4 #B4379C #B48D37 #37B44E
square
#375EB4 #B4379C #B48D37 #37B44E
split-complementary
#375EB4 #B44E37 #9CB437
monochromatic
#1A2D56 #294685 #375EB4 #5B7FCD #8AA3DB

Accessibility & contrast

On white

6.14
#375EB4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.42
#375EB4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EB4
6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##375EB4#FFFFFF#000000##FFFFFF
##375EB41.006.143.426.14
#FFFFFF6.141.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3168B7
Deuteranopia (green-blind)
#135CB2
Tritanopia (blue-blind)
#007280
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #375eb4;
/* rgb */ color: rgb(55, 94, 180);
/* oklch */ color: oklch(50.0% 0.144 263.7);
Tailwind
colors: {
  custom: {
    50: '#7c8bcb',
    500: '#375eb4',
    950: '#000000',
  },
}
SCSS
$custom: #375eb4;
$custom-light: #7c8bcb;
$custom-dark: #000000;
JSON
{
  "hex": "#375eb4",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 180
  },
  "hsl": {
    "h": 221.28,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.50006,
    "c": 0.14353,
    "h": 263.7
  },
  "luminance": 0.12113
}

Semantic roles & 50–950 ramp

primary
#375EB4
secondary
#C6B081
accent
#AF4BDD
background
#F8F8FC
surface
#EFF0F8
border
#CACBD1
text
#0B0B13
muted
#7C7C82

Preview Lab

Preview with #375EB4

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

Preview Lab → · Contrast checker → · Palette generator →

#375EB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva