#375DCA#375DCA

#375DCA is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.4% C 0.175 H 265.9°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX#375DCA
RGBrgb(55, 93, 202)
HSLhsl(224, 58%, 50%)
HSVhsv(224, 73%, 79%)
CMYKcmyk(72.8%, 54%, 0%, 20.8%)
CIE-LABlab(42.62, 24.26, -60.60)
CIE-LCHlch(42.62, 65.27, 291.82°)
OKLaboklab(51.42% -0.0125 -0.1745)
OKLCHoklch(51.42% 0.175 265.9)
XYZxyz(16.1468, 12.9035, 57.5053)
Luminance0.1290 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#375DCA #CAA437
analogous
#37A6CA #375DCA #5A37CA
triadic
#375DCA #CA375D #5DCA37
tetradic
#375DCA #CA37A6 #CAA437 #37CA5A
square
#375DCA #CA37A6 #CAA437 #37CA5A
split-complementary
#375DCA #CA5A37 #A6CA37
monochromatic
#1C306A #29469B #375DCA #6784D7 #98ABE4

Accessibility & contrast

On white

5.86
#375DCA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.58
#375DCA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DCA
5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##375DCA#FFFFFF#000000##FFFFFF
##375DCA1.005.863.585.86
#FFFFFF5.861.0021.001.00
#0000003.5821.001.0021.00
##FFFFFF5.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006CCE
Deuteranopia (green-blind)
#005EC8
Tritanopia (blue-blind)
#00778A
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #375dca;
/* rgb */ color: rgb(55, 93, 202);
/* oklch */ color: oklch(51.4% 0.175 265.9);
Tailwind
colors: {
  custom: {
    50: '#818adb',
    500: '#375dca',
    950: '#000000',
  },
}
SCSS
$custom: #375dca;
$custom-light: #818adb;
$custom-dark: #000000;
JSON
{
  "hex": "#375dca",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 202
  },
  "hsl": {
    "h": 224.49,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51415,
    "c": 0.17497,
    "h": 265.9
  },
  "luminance": 0.12905
}

Semantic roles & 50–950 ramp

primary
#375DCA
secondary
#CFBE8E
accent
#B946E1
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0C0B15
muted
#7D7C83

Preview Lab

Preview with #375DCA

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

Preview Lab → · Contrast checker → · Palette generator →

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