#376DDB#376DDB

#376DDB is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.9% C 0.178 H 262.5°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#376DDB
RGBrgb(55, 109, 219)
HSLhsl(220, 69%, 54%)
HSVhsv(220, 75%, 86%)
CMYKcmyk(74.9%, 50.2%, 0%, 14.1%)
CIE-LABlab(48.09, 20.30, -61.47)
CIE-LCHlch(48.09, 64.74, 288.27°)
OKLaboklab(55.94% -0.0233 -0.1768)
OKLCHoklch(55.94% 0.178 262.5)
XYZxyz(19.8258, 16.8618, 69.2139)
Luminance0.1686 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#376DDB #DBA537
analogous
#37BFDB #376DDB #5337DB
triadic
#376DDB #DB376D #6DDB37
tetradic
#376DDB #DB37BF #DBA537 #37DB53
square
#376DDB #DB37BF #DBA537 #37DB53
split-complementary
#376DDB #DB5337 #BFDB37
monochromatic
#173A80 #2051B4 #376DDB #6B93E4 #9FB9EE

Accessibility & contrast

On white

4.80
#376DDB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.37
#376DDB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376DDB
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##376DDB#FFFFFF#000000##FFFFFF
##376DDB1.004.804.374.80
#FFFFFF4.801.0021.001.00
#0000004.3721.001.0021.00
##FFFFFF4.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#287ADF
Deuteranopia (green-blind)
#006BD9
Tritanopia (blue-blind)
#00879A
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #376ddb;
/* rgb */ color: rgb(55, 109, 219);
/* oklch */ color: oklch(55.9% 0.178 262.5);
Tailwind
colors: {
  custom: {
    50: '#8496e7',
    500: '#376ddb',
    950: '#000000',
  },
}
SCSS
$custom: #376ddb;
$custom-light: #8496e7;
$custom-dark: #000000;
JSON
{
  "hex": "#376ddb",
  "rgb": {
    "r": 55,
    "g": 109,
    "b": 219
  },
  "hsl": {
    "h": 220.244,
    "s": 69.492,
    "l": 53.725
  },
  "oklch": {
    "l": 0.55939,
    "c": 0.17834,
    "h": 262.5
  },
  "luminance": 0.16864
}

Semantic roles & 50–950 ramp

primary
#376DDB
secondary
#DAC394
accent
#B23BEC
background
#F8F9FE
surface
#F0F1FC
border
#CBCBD5
text
#0C0D16
muted
#7D7E84

Preview Lab

Preview with #376DDB

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

Preview Lab → · Contrast checker → · Palette generator →

#376DDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva