#376DBB#376DBB

#376DBB is a mid, vivid blue. Relative luminance 0.153; OKLCH L 53.8% C 0.135 H 257.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#376DBB
RGB	rgb(55, 109, 187)
HSL	hsl(215, 55%, 47%)
HSV	hsv(215, 71%, 73%)
CMYK	cmyk(70.6%, 41.7%, 0%, 26.7%)
CIE-LAB	lab(46.09, 8.51, -46.34)
CIE-LCH	lch(46.09, 47.11, 280.40°)
OKLab	oklab(53.76% -0.0286 -0.1323)
OKLCH	oklch(53.76% 0.135 257.8)
XYZ	xyz(16.0106, 15.3357, 49.1204)
Luminance	0.1534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376DBB #BB8537

analogous

#37AFBB #376DBB #4337BB

triadic

#376DBB #BB376D #6DBB37

tetradic

#376DBB #BB37AF #BB8537 #37BB43

square

#376DBB #BB37AF #BB8537 #37BB43

split-complementary

#376DBB #BB4337 #AFBB37

monochromatic

#1B365C #29518C #376DBB #5F8DD0 #8EAFDE

Accessibility & contrast

On white

5.16

#376DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#376DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376DBB

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376DBB	#FFFFFF	#000000	##FFFFFF
##376DBB	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4874BE

Deuteranopia (green-blind)

#3268B9

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #376dbb;
/* rgb */ color: rgb(55, 109, 187);
/* oklch */ color: oklch(53.8% 0.135 257.8);

Tailwind

colors: {
  custom: {
    50: '#7d96d0',
    500: '#376dbb',
    950: '#000000',
  },
}

SCSS

$custom: #376dbb;
$custom-light: #7d96d0;
$custom-dark: #000000;

JSON

{
  "hex": "#376dbb",
  "rgb": {
    "r": 55,
    "g": 109,
    "b": 187
  },
  "hsl": {
    "h": 215.455,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53764,
    "c": 0.13535,
    "h": 257.8
  },
  "luminance": 0.15337
}

Semantic roles & 50–950 ramp

primary

#376DBB

secondary

#C9AD85

accent

#A14ADE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #376DBB

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

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