#376EBB#376EBB

#376EBB is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.0% C 0.134 H 257.3°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#376EBB
RGB	rgb(55, 110, 187)
HSL	hsl(215, 55%, 47%)
HSV	hsv(215, 71%, 73%)
CMYK	cmyk(70.6%, 41.2%, 0%, 26.7%)
CIE-LAB	lab(46.38, 7.88, -45.88)
CIE-LCH	lch(46.38, 46.55, 279.75°)
OKLab	oklab(53.99% -0.0295 -0.1309)
OKLCH	oklch(53.99% 0.134 257.3)
XYZ	xyz(16.1179, 15.5502, 49.1561)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376EBB #BB8437

analogous

#37B0BB #376EBB #4237BB

triadic

#376EBB #BB376E #6EBB37

tetradic

#376EBB #BB37B0 #BB8437 #37BB42

square

#376EBB #BB37B0 #BB8437 #37BB42

split-complementary

#376EBB #BB4237 #B0BB37

monochromatic

#1B365C #29528C #376EBB #5F8ED0 #8EB0DE

Accessibility & contrast

On white

5.11

#376EBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#376EBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376EBB

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376EBB	#FFFFFF	#000000	##FFFFFF
##376EBB	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A75BE

Deuteranopia (green-blind)

#3468B9

Tritanopia (blue-blind)

#00808B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #376ebb;
/* rgb */ color: rgb(55, 110, 187);
/* oklch */ color: oklch(54.0% 0.134 257.3);

Tailwind

colors: {
  custom: {
    50: '#7d97d0',
    500: '#376ebb',
    950: '#000000',
  },
}

SCSS

$custom: #376ebb;
$custom-light: #7d97d0;
$custom-dark: #000000;

JSON

{
  "hex": "#376ebb",
  "rgb": {
    "r": 55,
    "g": 110,
    "b": 187
  },
  "hsl": {
    "h": 215,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53987,
    "c": 0.13421,
    "h": 257.3
  },
  "luminance": 0.15552
}

Semantic roles & 50–950 ramp

primary

#376EBB

secondary

#C9AD85

accent

#A04ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #376EBB

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

Preview Lab → · Contrast checker → · Palette generator →