#376BB9#376BB9

#376BB9 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.2% C 0.135 H 258.4°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#376BB9
RGB	rgb(55, 107, 185)
HSL	hsl(216, 54%, 47%)
HSV	hsv(216, 70%, 73%)
CMYK	cmyk(70.3%, 42.2%, 0%, 27.5%)
CIE-LAB	lab(45.40, 9.03, -46.28)
CIE-LCH	lch(45.40, 47.15, 281.04°)
OKLab	oklab(53.19% -0.0271 -0.1322)
OKLCH	oklch(53.19% 0.135 258.4)
XYZ	xyz(15.5870, 14.8288, 47.9303)
Luminance	0.1483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#376BB9 #B98537

analogous

#37ACB9 #376BB9 #4437B9

triadic

#376BB9 #B9376B #6BB937

tetradic

#376BB9 #B937AC #B98537 #37B944

square

#376BB9 #B937AC #B98537 #37B944

split-complementary

#376BB9 #B94437 #ACB937

monochromatic

#1B345B #29508A #376BB9 #5E8BCF #8DADDD

Accessibility & contrast

On white

5.30

#376BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#376BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #376BB9

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##376BB9	#FFFFFF	#000000	##FFFFFF
##376BB9	1.00	5.30	3.97	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4672BC

Deuteranopia (green-blind)

#3066B7

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #376bb9;
/* rgb */ color: rgb(55, 107, 185);
/* oklch */ color: oklch(53.2% 0.135 258.4);

Tailwind

colors: {
  custom: {
    50: '#7d94ce',
    500: '#376bb9',
    950: '#000000',
  },
}

SCSS

$custom: #376bb9;
$custom-light: #7d94ce;
$custom-dark: #000000;

JSON

{
  "hex": "#376bb9",
  "rgb": {
    "r": 55,
    "g": 107,
    "b": 185
  },
  "hsl": {
    "h": 216,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5319,
    "c": 0.13492,
    "h": 258.4
  },
  "luminance": 0.1483
}

Semantic roles & 50–950 ramp

primary

#376BB9

secondary

#C8AD84

accent

#A34ADE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #376BB9

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

Preview Lab → · Contrast checker → · Palette generator →