#375ABB#375ABB

#375ABB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.7% C 0.158 H 265.9°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX#375ABB
RGBrgb(55, 90, 187)
HSLhsl(224, 55%, 47%)
HSVhsv(224, 71%, 73%)
CMYKcmyk(70.6%, 51.9%, 0%, 26.7%)
CIE-LABlab(40.75, 20.67, -54.91)
CIE-LCHlch(40.75, 58.67, 290.63°)
OKLaboklab(49.67% -0.0114 -0.1578)
OKLCHoklch(49.67% 0.158 265.9)
XYZxyz(14.1982, 11.7110, 48.5162)
Luminance0.1171 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#375ABB #BB9837
analogous
#379CBB #375ABB #5637BB
triadic
#375ABB #BB375A #5ABB37
tetradic
#375ABB #BB379C #BB9837 #37BB56
square
#375ABB #BB379C #BB9837 #37BB56
split-complementary
#375ABB #BB5637 #9CBB37
monochromatic
#1B2C5C #29438C #375ABB #5F7DD0 #8EA4DE

Accessibility & contrast

On white

6.28
#375ABB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.34
#375ABB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375ABB
6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##375ABB#FFFFFF#000000##FFFFFF
##375ABB1.006.283.346.28
#FFFFFF6.281.0021.001.00
#0000003.3421.001.0021.00
##FFFFFF6.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C66BE
Deuteranopia (green-blind)
#005AB9
Tritanopia (blue-blind)
#007182
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #375abb;
/* rgb */ color: rgb(55, 90, 187);
/* oklch */ color: oklch(49.7% 0.158 265.9);
Tailwind
colors: {
  custom: {
    50: '#7e88d0',
    500: '#375abb',
    950: '#000000',
  },
}
SCSS
$custom: #375abb;
$custom-light: #7e88d0;
$custom-dark: #000000;
JSON
{
  "hex": "#375abb",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 187
  },
  "hsl": {
    "h": 224.091,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49668,
    "c": 0.15823,
    "h": 265.9
  },
  "luminance": 0.11712
}

Semantic roles & 50–950 ramp

primary
#375ABB
secondary
#C9B785
accent
#B74ADE
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0B0B14
muted
#7C7C82

Preview Lab

Preview with #375ABB

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

Preview Lab → · Contrast checker → · Palette generator →

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