#376BBF#376BBF

#376BBF is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.6% C 0.143 H 259.6°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#376BBF
RGB	rgb(55, 107, 191)
HSL	hsl(217, 55%, 48%)
HSV	hsv(217, 71%, 75%)
CMYK	cmyk(71.2%, 44%, 0%, 25.1%)
CIE-LAB	lab(45.75, 11.24, -49.19)
CIE-LCH	lch(45.75, 50.46, 282.87°)
OKLab	oklab(53.58% -0.0259 -0.1407)
OKLCH	oklch(53.58% 0.143 259.6)
XYZ	xyz(16.2338, 15.0875, 51.3367)
Luminance	0.1509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376BBF #BF8B37

analogous

#37AFBF #376BBF #4737BF

triadic

#376BBF #BF376B #6BBF37

tetradic

#376BBF #BF37AF #BF8B37 #37BF47

square

#376BBF #BF37AF #BF8B37 #37BF47

split-complementary

#376BBF #BF4737 #AFBF37

monochromatic

#1C3660 #29508F #376BBF #628CD2 #91AFDF

Accessibility & contrast

On white

5.23

#376BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#376BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376BBF

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376BBF	#FFFFFF	#000000	##FFFFFF
##376BBF	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4273C2

Deuteranopia (green-blind)

#2967BD

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #376bbf;
/* rgb */ color: rgb(55, 107, 191);
/* oklch */ color: oklch(53.6% 0.143 259.6);

Tailwind

colors: {
  custom: {
    50: '#7e94d3',
    500: '#376bbf',
    950: '#000000',
  },
}

SCSS

$custom: #376bbf;
$custom-light: #7e94d3;
$custom-dark: #000000;

JSON

{
  "hex": "#376bbf",
  "rgb": {
    "r": 55,
    "g": 107,
    "b": 191
  },
  "hsl": {
    "h": 217.059,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5358,
    "c": 0.14308,
    "h": 259.6
  },
  "luminance": 0.15089
}

Semantic roles & 50–950 ramp

primary

#376BBF

secondary

#CAB188

accent

#A549DF

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #376BBF

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

Preview Lab → · Contrast checker → · Palette generator →