#376BCB#376BCB

#376BCB is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.4% C 0.159 H 261.4°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#376BCB
RGB	rgb(55, 107, 203)
HSL	hsl(219, 59%, 51%)
HSV	hsv(219, 73%, 80%)
CMYK	cmyk(72.9%, 47.3%, 0%, 20.4%)
CIE-LAB	lab(46.50, 15.66, -54.91)
CIE-LCH	lch(46.50, 57.10, 285.92°)
OKLab	oklab(54.39% -0.0239 -0.1575)
OKLCH	oklch(54.39% 0.159 261.4)
XYZ	xyz(17.6089, 15.6375, 58.5786)
Luminance	0.1564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376BCB #CB9737

analogous

#37B5CB #376BCB #4D37CB

triadic

#376BCB #CB376B #6BCB37

tetradic

#376BCB #CB37B5 #CB9737 #37CB4D

square

#376BCB #CB37B5 #CB9737 #37CB4D

split-complementary

#376BCB #CB4D37 #B5CB37

monochromatic

#1C386C #29519C #376BCB #688FD8 #98B3E4

Accessibility & contrast

On white

5.09

#376BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#376BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376BCB

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376BCB	#FFFFFF	#000000	##FFFFFF
##376BCB	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3775CF

Deuteranopia (green-blind)

#0E68C9

Tritanopia (blue-blind)

#008291

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #376bcb;
/* rgb */ color: rgb(55, 107, 203);
/* oklch */ color: oklch(54.4% 0.159 261.4);

Tailwind

colors: {
  custom: {
    50: '#8194db',
    500: '#376bcb',
    950: '#000000',
  },
}

SCSS

$custom: #376bcb;
$custom-light: #8194db;
$custom-dark: #000000;

JSON

{
  "hex": "#376bcb",
  "rgb": {
    "r": 55,
    "g": 107,
    "b": 203
  },
  "hsl": {
    "h": 218.919,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.54389,
    "c": 0.15934,
    "h": 261.4
  },
  "luminance": 0.15639
}

Semantic roles & 50–950 ramp

primary

#376BCB

secondary

#D0B98E

accent

#AB46E2

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #376BCB

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

Preview Lab → · Contrast checker → · Palette generator →