#376BB8#376BB8

#376BB8 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.1% C 0.134 H 258.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#376BB8
RGB	rgb(55, 107, 184)
HSL	hsl(216, 54%, 47%)
HSV	hsv(216, 70%, 72%)
CMYK	cmyk(70.1%, 41.8%, 0%, 27.8%)
CIE-LAB	lab(45.34, 8.66, -45.79)
CIE-LCH	lch(45.34, 46.61, 280.71°)
OKLab	oklab(53.13% -0.0273 -0.1307)
OKLCH	oklch(53.13% 0.134 258.2)
XYZ	xyz(15.4818, 14.7867, 47.3763)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376BB8 #B88437

analogous

#37ACB8 #376BB8 #4437B8

triadic

#376BB8 #B8376B #6BB837

tetradic

#376BB8 #B837AC #B88437 #37B844

square

#376BB8 #B837AC #B88437 #37B844

split-complementary

#376BB8 #B84437 #ACB837

monochromatic

#1B345A #295089 #376BB8 #5D8BCF #8DADDD

Accessibility & contrast

On white

5.31

#376BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#376BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376BB8

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376BB8	#FFFFFF	#000000	##FFFFFF
##376BB8	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4772BB

Deuteranopia (green-blind)

#3266B6

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #376bb8;
/* rgb */ color: rgb(55, 107, 184);
/* oklch */ color: oklch(53.1% 0.134 258.2);

Tailwind

colors: {
  custom: {
    50: '#7d94ce',
    500: '#376bb8',
    950: '#000000',
  },
}

SCSS

$custom: #376bb8;
$custom-light: #7d94ce;
$custom-dark: #000000;

JSON

{
  "hex": "#376bb8",
  "rgb": {
    "r": 55,
    "g": 107,
    "b": 184
  },
  "hsl": {
    "h": 215.814,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53126,
    "c": 0.13355,
    "h": 258.2
  },
  "luminance": 0.14788
}

Semantic roles & 50–950 ramp

primary

#376BB8

secondary

#C7AC84

accent

#A24ADD

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #376BB8

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

Preview Lab → · Contrast checker → · Palette generator →