#375FC7#375FC7

#375FC7 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.168 H 265.1°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#375FC7
RGB	rgb(55, 95, 199)
HSL	hsl(223, 57%, 50%)
HSV	hsv(223, 72%, 78%)
CMYK	cmyk(72.4%, 52.3%, 0%, 22%)
CIE-LAB	lab(42.94, 21.86, -58.34)
CIE-LCH	lch(42.94, 62.30, 290.54°)
OKLab	oklab(51.59% -0.0143 -0.1678)
OKLCH	oklch(51.59% 0.168 265.1)
XYZ	xyz(15.9729, 13.1185, 55.7121)
Luminance	0.1312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FC7 #C79F37

analogous

#37A7C7 #375FC7 #5737C7

triadic

#375FC7 #C7375F #5FC737

tetradic

#375FC7 #C737A7 #C79F37 #37C757

square

#375FC7 #C737A7 #C79F37 #37C757

split-complementary

#375FC7 #C75737 #A7C737

monochromatic

#1C3167 #2A4897 #375FC7 #6685D5 #96ABE2

Accessibility & contrast

On white

5.79

#375FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#375FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FC7

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FC7	#FFFFFF	#000000	##FFFFFF
##375FC7	1.00	5.79	3.62	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186CCB

Deuteranopia (green-blind)

#005FC5

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375fc7;
/* rgb */ color: rgb(55, 95, 199);
/* oklch */ color: oklch(51.6% 0.168 265.1);

Tailwind

colors: {
  custom: {
    50: '#808bd9',
    500: '#375fc7',
    950: '#000000',
  },
}

SCSS

$custom: #375fc7;
$custom-light: #808bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#375fc7",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 199
  },
  "hsl": {
    "h": 223.333,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51592,
    "c": 0.16845,
    "h": 265.1
  },
  "luminance": 0.1312
}

Semantic roles & 50–950 ramp

primary

#375FC7

secondary

#CDBB8C

accent

#B648E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #375FC7

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

Preview Lab → · Contrast checker → · Palette generator →