#375DCD#375DCD

#375DCD is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.179 H 266.1°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#375DCD
RGB	rgb(55, 93, 205)
HSL	hsl(225, 60%, 51%)
HSV	hsv(225, 73%, 80%)
CMYK	cmyk(73.2%, 54.6%, 0%, 19.6%)
CIE-LAB	lab(42.83, 25.36, -61.98)
CIE-LCH	lch(42.83, 66.97, 292.25°)
OKLab	oklab(51.65% -0.0123 -0.1786)
OKLCH	oklch(51.65% 0.179 266.1)
XYZ	xyz(16.5055, 13.0469, 59.3942)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DCD #CDA737

analogous

#37A8CD #375DCD #5C37CD

triadic

#375DCD #CD375D #5DCD37

tetradic

#375DCD #CD37A8 #CDA737 #37CD5C

square

#375DCD #CD37A8 #CDA737 #37CD5C

split-complementary

#375DCD #CD5C37 #A8CD37

monochromatic

#1C306E #28469F #375DCD #6885D9 #99ACE5

Accessibility & contrast

On white

5.82

#375DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#375DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DCD

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DCD	#FFFFFF	#000000	##FFFFFF
##375DCD	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#005FCB

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375dcd;
/* rgb */ color: rgb(55, 93, 205);
/* oklch */ color: oklch(51.6% 0.179 266.1);

Tailwind

colors: {
  custom: {
    50: '#828add',
    500: '#375dcd',
    950: '#000000',
  },
}

SCSS

$custom: #375dcd;
$custom-light: #828add;
$custom-dark: #000000;

JSON

{
  "hex": "#375dcd",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 205
  },
  "hsl": {
    "h": 224.8,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51646,
    "c": 0.17899,
    "h": 266.1
  },
  "luminance": 0.13049
}

Semantic roles & 50–950 ramp

primary

#375DCD

secondary

#D1C08F

accent

#BB45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375DCD

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

Preview Lab → · Contrast checker → · Palette generator →