#375FCF#375FCF

#375FCF is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.179 H 265.6°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#375FCF
RGB	rgb(55, 95, 207)
HSL	hsl(224, 61%, 51%)
HSV	hsv(224, 73%, 81%)
CMYK	cmyk(73.4%, 54.1%, 0%, 18.8%)
CIE-LAB	lab(43.51, 24.81, -62.04)
CIE-LCH	lch(43.51, 66.81, 291.80°)
OKLab	oklab(52.2% -0.0137 -0.1787)
OKLCH	oklch(52.2% 0.179 265.6)
XYZ	xyz(16.9263, 13.4998, 60.7331)
Luminance	0.1350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FCF #CFA737

analogous

#37ABCF #375FCF #5B37CF

triadic

#375FCF #CF375F #5FCF37

tetradic

#375FCF #CF37AB #CFA737 #37CF5B

square

#375FCF #CF37AB #CFA737 #37CF5B

split-complementary

#375FCF #CF5B37 #ABCF37

monochromatic

#1B3271 #2747A2 #375FCF #6886DB #9AAEE7

Accessibility & contrast

On white

5.68

#375FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#375FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FCF

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FCF	#FFFFFF	#000000	##FFFFFF
##375FCF	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED3

Deuteranopia (green-blind)

#0060CD

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #375fcf;
/* rgb */ color: rgb(55, 95, 207);
/* oklch */ color: oklch(52.2% 0.179 265.6);

Tailwind

colors: {
  custom: {
    50: '#828bde',
    500: '#375fcf',
    950: '#000000',
  },
}

SCSS

$custom: #375fcf;
$custom-light: #828bde;
$custom-dark: #000000;

JSON

{
  "hex": "#375fcf",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 207
  },
  "hsl": {
    "h": 224.211,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.522,
    "c": 0.17923,
    "h": 265.6
  },
  "luminance": 0.13502
}

Semantic roles & 50–950 ramp

primary

#375FCF

secondary

#D2C18F

accent

#BA43E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #375FCF

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

Preview Lab → · Contrast checker → · Palette generator →