#376FBB#376FBB

#376FBB is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 54.2% C 0.133 H 256.8°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#376FBB
RGB	rgb(55, 111, 187)
HSL	hsl(215, 55%, 47%)
HSV	hsv(215, 71%, 73%)
CMYK	cmyk(70.6%, 40.6%, 0%, 26.7%)
CIE-LAB	lab(46.67, 7.25, -45.42)
CIE-LCH	lch(46.67, 45.99, 279.07°)
OKLab	oklab(54.21% -0.0305 -0.1296)
OKLCH	oklch(54.21% 0.133 256.8)
XYZ	xyz(16.2264, 15.7672, 49.1923)
Luminance	0.1577 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376FBB #BB8337

analogous

#37B1BB #376FBB #4137BB

triadic

#376FBB #BB376F #6FBB37

tetradic

#376FBB #BB37B1 #BB8337 #37BB41

square

#376FBB #BB37B1 #BB8337 #37BB41

split-complementary

#376FBB #BB4137 #B1BB37

monochromatic

#1B375C #29538C #376FBB #5F8FD0 #8EB0DE

Accessibility & contrast

On white

5.06

#376FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#376FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376FBB

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376FBB	#FFFFFF	#000000	##FFFFFF
##376FBB	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C75BE

Deuteranopia (green-blind)

#3769B9

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #376fbb;
/* rgb */ color: rgb(55, 111, 187);
/* oklch */ color: oklch(54.2% 0.133 256.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#376fbb",
  "rgb": {
    "r": 55,
    "g": 111,
    "b": 187
  },
  "hsl": {
    "h": 214.545,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54212,
    "c": 0.1331,
    "h": 256.8
  },
  "luminance": 0.15769
}

Semantic roles & 50–950 ramp

primary

#376FBB

secondary

#C9AC85

accent

#9F4ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #376FBB

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

Preview Lab → · Contrast checker → · Palette generator →