#376BBA#376BBA

#376BBA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.3% C 0.136 H 258.6°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#376BBA
RGB	rgb(55, 107, 186)
HSL	hsl(216, 54%, 47%)
HSV	hsv(216, 70%, 73%)
CMYK	cmyk(70.4%, 42.5%, 0%, 27.1%)
CIE-LAB	lab(45.46, 9.40, -46.77)
CIE-LCH	lch(45.46, 47.70, 281.36°)
OKLab	oklab(53.25% -0.0269 -0.1336)
OKLCH	oklch(53.25% 0.136 258.6)
XYZ	xyz(15.6930, 14.8711, 48.4882)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376BBA #BA8637

analogous

#37ADBA #376BBA #4437BA

triadic

#376BBA #BA376B #6BBA37

tetradic

#376BBA #BA37AD #BA8637 #37BA44

square

#376BBA #BA37AD #BA8637 #37BA44

split-complementary

#376BBA #BA4437 #ADBA37

monochromatic

#1B355C #29508B #376BBA #5F8BD0 #8EADDE

Accessibility & contrast

On white

5.28

#376BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#376BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376BBA

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376BBA	#FFFFFF	#000000	##FFFFFF
##376BBA	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4572BD

Deuteranopia (green-blind)

#2F66B8

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #376bba;
/* rgb */ color: rgb(55, 107, 186);
/* oklch */ color: oklch(53.3% 0.136 258.6);

Tailwind

colors: {
  custom: {
    50: '#7d94cf',
    500: '#376bba',
    950: '#000000',
  },
}

SCSS

$custom: #376bba;
$custom-light: #7d94cf;
$custom-dark: #000000;

JSON

{
  "hex": "#376bba",
  "rgb": {
    "r": 55,
    "g": 107,
    "b": 186
  },
  "hsl": {
    "h": 216.183,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53254,
    "c": 0.13628,
    "h": 258.6
  },
  "luminance": 0.14873
}

Semantic roles & 50–950 ramp

primary

#376BBA

secondary

#C8AD85

accent

#A34ADE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #376BBA

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

Preview Lab → · Contrast checker → · Palette generator →