#375BBA#375BBA

#375BBA is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.156 H 265.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#375BBA
RGBrgb(55, 91, 186)
HSLhsl(224, 54%, 47%)
HSVhsv(224, 70%, 73%)
CMYKcmyk(70.4%, 51.1%, 0%, 27.1%)
CIE-LABlab(40.96, 19.66, -53.99)
CIE-LCHlch(40.96, 57.46, 290.00°)
OKLaboklab(49.8% -0.0123 -0.1551)
OKLCHoklch(49.8% 0.156 265.5)
XYZxyz(14.1765, 11.8381, 47.9827)
Luminance0.1184 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#375BBA #BA9637
analogous
#379DBA #375BBA #5437BA
triadic
#375BBA #BA375B #5BBA37
tetradic
#375BBA #BA379D #BA9637 #37BA54
square
#375BBA #BA379D #BA9637 #37BA54
split-complementary
#375BBA #BA5437 #9DBA37
monochromatic
#1B2D5C #29448B #375BBA #5F7ED0 #8EA4DE

Accessibility & contrast

On white

6.24
#375BBA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.37
#375BBA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BBA
6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##375BBA#FFFFFF#000000##FFFFFF
##375BBA1.006.243.376.24
#FFFFFF6.241.0021.001.00
#0000003.3721.001.0021.00
##FFFFFF6.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2167BD
Deuteranopia (green-blind)
#005BB8
Tritanopia (blue-blind)
#007282
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #375bba;
/* rgb */ color: rgb(55, 91, 186);
/* oklch */ color: oklch(49.8% 0.156 265.5);
Tailwind
colors: {
  custom: {
    50: '#7e88cf',
    500: '#375bba',
    950: '#000000',
  },
}
SCSS
$custom: #375bba;
$custom-light: #7e88cf;
$custom-dark: #000000;
JSON
{
  "hex": "#375bba",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 186
  },
  "hsl": {
    "h": 223.511,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.49801,
    "c": 0.1556,
    "h": 265.5
  },
  "luminance": 0.1184
}

Semantic roles & 50–950 ramp

primary
#375BBA
secondary
#C8B685
accent
#B54ADE
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0B0B14
muted
#7C7C82

Preview Lab

Preview with #375BBA

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

Preview Lab → · Contrast checker → · Palette generator →

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