#3760BB#3760BB

#3760BB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.9% C 0.151 H 263.7°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3760BB
RGB	rgb(55, 96, 187)
HSL	hsl(221, 55%, 47%)
HSV	hsv(221, 71%, 73%)
CMYK	cmyk(70.6%, 48.7%, 0%, 26.7%)
CIE-LAB	lab(42.41, 16.79, -52.24)
CIE-LCH	lch(42.41, 54.87, 287.82°)
OKLab	oklab(50.93% -0.0166 -0.1499)
OKLCH	oklch(50.93% 0.151 263.7)
XYZ	xyz(14.7249, 12.7643, 48.6918)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3760BB #BB9237

analogous

#37A2BB #3760BB #5037BB

triadic

#3760BB #BB3760 #60BB37

tetradic

#3760BB #BB37A2 #BB9237 #37BB50

square

#3760BB #BB37A2 #BB9237 #37BB50

split-complementary

#3760BB #BB5037 #A2BB37

monochromatic

#1B2F5C #29488C #3760BB #5F82D0 #8EA7DE

Accessibility & contrast

On white

5.91

#3760BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3760BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3760BB

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3760BB	#FFFFFF	#000000	##FFFFFF
##3760BB	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6BBE

Deuteranopia (green-blind)

#055EB9

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3760bb;
/* rgb */ color: rgb(55, 96, 187);
/* oklch */ color: oklch(50.9% 0.151 263.7);

Tailwind

colors: {
  custom: {
    50: '#7e8cd0',
    500: '#3760bb',
    950: '#000000',
  },
}

SCSS

$custom: #3760bb;
$custom-light: #7e8cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3760bb",
  "rgb": {
    "r": 55,
    "g": 96,
    "b": 187
  },
  "hsl": {
    "h": 221.364,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.50927,
    "c": 0.1508,
    "h": 263.7
  },
  "luminance": 0.12766
}

Semantic roles & 50–950 ramp

primary

#3760BB

secondary

#C9B485

accent

#B04ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3760BB

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

Preview Lab → · Contrast checker → · Palette generator →