#373CD9#373CD9

#373CD9 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.0% C 0.231 H 271.8°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX#373CD9
RGBrgb(55, 60, 217)
HSLhsl(238, 68%, 53%)
HSVhsv(238, 75%, 85%)
CMYKcmyk(74.7%, 72.4%, 0%, 14.9%)
CIE-LABlab(36.08, 49.91, -79.93)
CIE-LCHlch(36.08, 94.23, 301.98°)
OKLaboklab(47% 0.0074 -0.2314)
OKLCHoklch(47% 0.231 271.8)
XYZxyz(15.7116, 9.0520, 66.5514)
Luminance0.0905 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373CD9 #D9D437
analogous
#378DD9 #373CD9 #8337D9
triadic
#373CD9 #D9373C #3CD937
tetradic
#373CD9 #D9378D #D9D437 #37D983
square
#373CD9 #D9378D #D9D437 #37D983
split-complementary
#373CD9 #D98337 #8DD937
monochromatic
#181B7E #2226B1 #373CD9 #6A6EE3 #9EA0ED

Accessibility & contrast

On white

7.47
#373CD9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.81
#373CD9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CD9
7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373CD9#FFFFFF#000000##FFFFFF
##373CD91.007.472.817.47
#FFFFFF7.471.0021.001.00
#0000002.8121.001.0021.00
##FFFFFF7.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DDE
Deuteranopia (green-blind)
#004DD6
Tritanopia (blue-blind)
#006987
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #373cd9;
/* rgb */ color: rgb(55, 60, 217);
/* oklch */ color: oklch(47.0% 0.231 271.8);
Tailwind
colors: {
  custom: {
    50: '#8773e6',
    500: '#373cd9',
    950: '#000000',
  },
}
SCSS
$custom: #373cd9;
$custom-light: #8773e6;
$custom-dark: #000000;
JSON
{
  "hex": "#373cd9",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 217
  },
  "hsl": {
    "h": 238.148,
    "s": 68.067,
    "l": 53.333
  },
  "oklch": {
    "l": 0.47,
    "c": 0.23148,
    "h": 271.8
  },
  "luminance": 0.09054
}

Semantic roles & 50–950 ramp

primary
#373CD9
secondary
#D9D793
accent
#E63DEB
background
#F9F7FE
surface
#F1EDFD
border
#CBC8D5
text
#0D0816
muted
#7E7B84

Preview Lab

Preview with #373CD9

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

Preview Lab → · Contrast checker → · Palette generator →

#373CD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva