#373CC3#373CC3

#373CC3 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 44.8% C 0.205 H 272.9°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#373CC3
RGBrgb(55, 60, 195)
HSLhsl(238, 56%, 49%)
HSVhsv(238, 72%, 76%)
CMYKcmyk(71.8%, 69.2%, 0%, 23.5%)
CIE-LABlab(33.95, 42.58, -70.69)
CIE-LCHlch(33.95, 82.52, 301.06°)
OKLaboklab(44.83% 0.0105 -0.2044)
OKLCHoklch(44.83% 0.205 272.9)
XYZxyz(13.0384, 7.9828, 52.4729)
Luminance0.0798 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373CC3 #C3BE37
analogous
#3782C3 #373CC3 #7837C3
triadic
#373CC3 #C3373C #3CC337
tetradic
#373CC3 #C33782 #C3BE37 #37C378
square
#373CC3 #C33782 #C3BE37 #37C378
split-complementary
#373CC3 #C37837 #82C337
monochromatic
#1C1F64 #2A2D93 #373CC3 #6468D3 #9496E1

Accessibility & contrast

On white

8.09
#373CC3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.60
#373CC3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CC3
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373CC3#FFFFFF#000000##FFFFFF
##373CC31.008.092.608.09
#FFFFFF8.091.0021.001.00
#0000002.6021.001.0021.00
##FFFFFF8.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056C7
Deuteranopia (green-blind)
#0049C1
Tritanopia (blue-blind)
#00617B
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #373cc3;
/* rgb */ color: rgb(55, 60, 195);
/* oklch */ color: oklch(44.8% 0.205 272.9);
Tailwind
colors: {
  custom: {
    50: '#8272d6',
    500: '#373cc3',
    950: '#000000',
  },
}
SCSS
$custom: #373cc3;
$custom-light: #8272d6;
$custom-dark: #000000;
JSON
{
  "hex": "#373cc3",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 195
  },
  "hsl": {
    "h": 237.857,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44825,
    "c": 0.20468,
    "h": 272.9
  },
  "luminance": 0.07984
}

Semantic roles & 50–950 ramp

primary
#373CC3
secondary
#CCCA8A
accent
#DA49DF
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #373CC3

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

Preview Lab → · Contrast checker → · Palette generator →

#373CC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva