#376FD7#376FD7

#376FD7 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.1% C 0.171 H 261.4°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#376FD7
RGB	rgb(55, 111, 215)
HSL	hsl(219, 67%, 53%)
HSV	hsv(219, 74%, 84%)
CMYK	cmyk(74.4%, 48.4%, 0%, 15.7%)
CIE-LAB	lab(48.37, 17.56, -58.75)
CIE-LCH	lch(48.37, 61.32, 286.64°)
OKLab	oklab(56.07% -0.0254 -0.1688)
OKLCH	oklch(56.07% 0.171 261.4)
XYZ	xyz(19.5213, 17.0852, 66.5457)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376FD7 #D79F37

analogous

#37BFD7 #376FD7 #4F37D7

triadic

#376FD7 #D7376F #6FD737

tetradic

#376FD7 #D737BF #D79F37 #37D74F

square

#376FD7 #D737BF #D79F37 #37D74F

split-complementary

#376FD7 #D74F37 #BFD737

monochromatic

#193B7B #2354AE #376FD7 #6A94E1 #9DB8EB

Accessibility & contrast

On white

4.75

#376FD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#376FD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376FD7

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376FD7	#FFFFFF	#000000	##FFFFFF
##376FD7	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#347BDB

Deuteranopia (green-blind)

#006CD5

Tritanopia (blue-blind)

#008899

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #376fd7;
/* rgb */ color: rgb(55, 111, 215);
/* oklch */ color: oklch(56.1% 0.171 261.4);

Tailwind

colors: {
  custom: {
    50: '#8397e4',
    500: '#376fd7',
    950: '#000000',
  },
}

SCSS

$custom: #376fd7;
$custom-light: #8397e4;
$custom-dark: #000000;

JSON

{
  "hex": "#376fd7",
  "rgb": {
    "r": 55,
    "g": 111,
    "b": 215
  },
  "hsl": {
    "h": 219,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.5607,
    "c": 0.17066,
    "h": 261.4
  },
  "luminance": 0.17087
}

Semantic roles & 50–950 ramp

primary

#376FD7

secondary

#D7BF92

accent

#AE3EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #376FD7

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

Preview Lab → · Contrast checker → · Palette generator →