#375ABD#375ABD

#375ABD is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.161 H 266.0°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX#375ABD
RGBrgb(55, 90, 189)
HSLhsl(224, 55%, 48%)
HSVhsv(224, 71%, 74%)
CMYKcmyk(70.9%, 52.4%, 0%, 25.9%)
CIE-LABlab(40.89, 21.41, -55.85)
CIE-LCHlch(40.89, 59.81, 290.97°)
OKLaboklab(49.82% -0.0111 -0.1606)
OKLCHoklch(49.82% 0.161 266)
XYZxyz(14.4138, 11.7972, 49.6517)
Luminance0.1180 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#375ABD #BD9A37
analogous
#379DBD #375ABD #5737BD
triadic
#375ABD #BD375A #5ABD37
tetradic
#375ABD #BD379D #BD9A37 #37BD57
square
#375ABD #BD379D #BD9A37 #37BD57
split-complementary
#375ABD #BD5737 #9DBD37
monochromatic
#1B2D5E #29438E #375ABD #607ED1 #90A4DF

Accessibility & contrast

On white

6.25
#375ABD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.36
#375ABD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375ABD
6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##375ABD#FFFFFF#000000##FFFFFF
##375ABD1.006.253.366.25
#FFFFFF6.251.0021.001.00
#0000003.3621.001.0021.00
##FFFFFF6.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1867C1
Deuteranopia (green-blind)
#005BBB
Tritanopia (blue-blind)
#007283
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #375abd;
/* rgb */ color: rgb(55, 90, 189);
/* oklch */ color: oklch(49.8% 0.161 266.0);
Tailwind
colors: {
  custom: {
    50: '#7f88d2',
    500: '#375abd',
    950: '#000000',
  },
}
SCSS
$custom: #375abd;
$custom-light: #7f88d2;
$custom-dark: #000000;
JSON
{
  "hex": "#375abd",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 189
  },
  "hsl": {
    "h": 224.328,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49817,
    "c": 0.16099,
    "h": 266
  },
  "luminance": 0.11799
}

Semantic roles & 50–950 ramp

primary
#375ABD
secondary
#C9B886
accent
#B74ADE
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0B0B14
muted
#7C7C82

Preview Lab

Preview with #375ABD

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

Preview Lab → · Contrast checker → · Palette generator →

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