#376CCB#376CCB

#376CCB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.6% C 0.158 H 261.0°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#376CCB
RGB	rgb(55, 108, 203)
HSL	hsl(219, 59%, 51%)
HSV	hsv(219, 73%, 80%)
CMYK	cmyk(72.9%, 46.8%, 0%, 20.4%)
CIE-LAB	lab(46.77, 15.03, -54.47)
CIE-LCH	lch(46.77, 56.50, 285.42°)
OKLab	oklab(54.6% -0.0247 -0.1562)
OKLCH	oklch(54.6% 0.158 261)
XYZ	xyz(17.7137, 15.8472, 58.6136)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376CCB #CB9637

analogous

#37B6CB #376CCB #4C37CB

triadic

#376CCB #CB376C #6CCB37

tetradic

#376CCB #CB37B6 #CB9637 #37CB4C

square

#376CCB #CB37B6 #CB9637 #37CB4C

split-complementary

#376CCB #CB4C37 #B6CB37

monochromatic

#1C386C #29529C #376CCB #6890D8 #98B3E4

Accessibility & contrast

On white

5.04

#376CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#376CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376CCB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376CCB	#FFFFFF	#000000	##FFFFFF
##376CCB	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3976CF

Deuteranopia (green-blind)

#1469C9

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #376ccb;
/* rgb */ color: rgb(55, 108, 203);
/* oklch */ color: oklch(54.6% 0.158 261.0);

Tailwind

colors: {
  custom: {
    50: '#8195db',
    500: '#376ccb',
    950: '#000000',
  },
}

SCSS

$custom: #376ccb;
$custom-light: #8195db;
$custom-dark: #000000;

JSON

{
  "hex": "#376ccb",
  "rgb": {
    "r": 55,
    "g": 108,
    "b": 203
  },
  "hsl": {
    "h": 218.514,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.54603,
    "c": 0.15815,
    "h": 261
  },
  "luminance": 0.15849
}

Semantic roles & 50–950 ramp

primary

#376CCB

secondary

#D0B88E

accent

#AA46E2

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #376CCB

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

Preview Lab → · Contrast checker → · Palette generator →