#373ABD#373ABD

#373ABD is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.199 H 273.6°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX#373ABD
RGBrgb(55, 58, 189)
HSLhsl(239, 55%, 48%)
HSVhsv(239, 71%, 74%)
CMYKcmyk(70.9%, 69.3%, 0%, 25.9%)
CIE-LABlab(32.94, 41.74, -68.81)
CIE-LCHlch(32.94, 80.48, 301.24°)
OKLaboklab(43.93% 0.0124 -0.1989)
OKLCHoklch(43.93% 0.199 273.6)
XYZxyz(12.2708, 7.5113, 48.9374)
Luminance0.0751 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373ABD #BDBA37
analogous
#377DBD #373ABD #7737BD
triadic
#373ABD #BD373A #3ABD37
tetradic
#373ABD #BD377D #BDBA37 #37BD77
square
#373ABD #BD377D #BDBA37 #37BD77
split-complementary
#373ABD #BD7737 #7DBD37
monochromatic
#1B1D5E #292B8E #373ABD #6063D1 #9092DF

Accessibility & contrast

On white

8.39
#373ABD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.50
#373ABD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373ABD
8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373ABD#FFFFFF#000000##FFFFFF
##373ABD1.008.392.508.39
#FFFFFF8.391.0021.001.00
#0000002.5021.001.0021.00
##FFFFFF8.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0054C1
Deuteranopia (green-blind)
#0047BB
Tritanopia (blue-blind)
#005E77
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #373abd;
/* rgb */ color: rgb(55, 58, 189);
/* oklch */ color: oklch(43.9% 0.199 273.6);
Tailwind
colors: {
  custom: {
    50: '#8171d2',
    500: '#373abd',
    950: '#000000',
  },
}
SCSS
$custom: #373abd;
$custom-light: #8171d2;
$custom-dark: #000000;
JSON
{
  "hex": "#373abd",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 189
  },
  "hsl": {
    "h": 238.657,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4393,
    "c": 0.19933,
    "h": 273.6
  },
  "luminance": 0.07512
}

Semantic roles & 50–950 ramp

primary
#373ABD
secondary
#C9C886
accent
#DB4ADE
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #373ABD

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

Preview Lab → · Contrast checker → · Palette generator →

#373ABD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva