#375CCD#375CCD

#375CCD is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.4% C 0.180 H 266.3°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#375CCD
RGB	rgb(55, 92, 205)
HSL	hsl(225, 60%, 51%)
HSV	hsv(225, 73%, 80%)
CMYK	cmyk(73.2%, 55.1%, 0%, 19.6%)
CIE-LAB	lab(42.57, 26.00, -62.40)
CIE-LCH	lch(42.57, 67.61, 292.62°)
OKLab	oklab(51.45% -0.0115 -0.1798)
OKLCH	oklch(51.45% 0.18 266.3)
XYZ	xyz(16.4183, 12.8725, 59.3651)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CCD #CDA837

analogous

#37A7CD #375CCD #5D37CD

triadic

#375CCD #CD375C #5CCD37

tetradic

#375CCD #CD37A7 #CDA837 #37CD5D

square

#375CCD #CD37A7 #CDA837 #37CD5D

split-complementary

#375CCD #CD5D37 #A7CD37

monochromatic

#1C306E #28459F #375CCD #6884D9 #99ACE5

Accessibility & contrast

On white

5.87

#375CCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#375CCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CCD

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CCD	#FFFFFF	#000000	##FFFFFF
##375CCD	1.00	5.87	3.57	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375ccd;
/* rgb */ color: rgb(55, 92, 205);
/* oklch */ color: oklch(51.4% 0.180 266.3);

Tailwind

colors: {
  custom: {
    50: '#8289dd',
    500: '#375ccd',
    950: '#000000',
  },
}

SCSS

$custom: #375ccd;
$custom-light: #8289dd;
$custom-dark: #000000;

JSON

{
  "hex": "#375ccd",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 205
  },
  "hsl": {
    "h": 225.2,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51448,
    "c": 0.18021,
    "h": 266.3
  },
  "luminance": 0.12874
}

Semantic roles & 50–950 ramp

primary

#375CCD

secondary

#D1C18F

accent

#BC45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375CCD

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

Preview Lab → · Contrast checker → · Palette generator →