#376CB8#376CB8

#376CB8 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.3% C 0.132 H 257.7°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#376CB8
RGB	rgb(55, 108, 184)
HSL	hsl(215, 54%, 47%)
HSV	hsv(215, 70%, 72%)
CMYK	cmyk(70.1%, 41.3%, 0%, 27.8%)
CIE-LAB	lab(45.63, 8.04, -45.33)
CIE-LCH	lch(45.63, 46.04, 280.05°)
OKLab	oklab(53.35% -0.0282 -0.1294)
OKLCH	oklch(53.35% 0.132 257.7)
XYZ	xyz(15.5867, 14.9964, 47.4113)
Luminance	0.1500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376CB8 #B88337

analogous

#37ADB8 #376CB8 #4337B8

triadic

#376CB8 #B8376C #6CB837

tetradic

#376CB8 #B837AD #B88337 #37B843

square

#376CB8 #B837AD #B88337 #37B843

split-complementary

#376CB8 #B84337 #ADB837

monochromatic

#1B355A #295089 #376CB8 #5D8CCF #8DAEDD

Accessibility & contrast

On white

5.25

#376CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#376CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376CB8

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376CB8	#FFFFFF	#000000	##FFFFFF
##376CB8	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4872BB

Deuteranopia (green-blind)

#3467B6

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #376cb8;
/* rgb */ color: rgb(55, 108, 184);
/* oklch */ color: oklch(53.3% 0.132 257.7);

Tailwind

colors: {
  custom: {
    50: '#7d95ce',
    500: '#376cb8',
    950: '#000000',
  },
}

SCSS

$custom: #376cb8;
$custom-light: #7d95ce;
$custom-dark: #000000;

JSON

{
  "hex": "#376cb8",
  "rgb": {
    "r": 55,
    "g": 108,
    "b": 184
  },
  "hsl": {
    "h": 215.349,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5335,
    "c": 0.13242,
    "h": 257.7
  },
  "luminance": 0.14998
}

Semantic roles & 50–950 ramp

primary

#376CB8

secondary

#C7AB84

accent

#A14ADD

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376CB8

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

Preview Lab → · Contrast checker → · Palette generator →