#3756AE#3756AE

#3756AE is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.145 H 266.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#3756AE
RGB	rgb(55, 86, 174)
HSL	hsl(224, 52%, 45%)
HSV	hsv(224, 68%, 68%)
CMYK	cmyk(68.4%, 50.6%, 0%, 31.8%)
CIE-LAB	lab(38.76, 18.49, -50.48)
CIE-LCH	lch(38.76, 53.76, 290.12°)
OKLab	oklab(47.87% -0.0092 -0.1448)
OKLCH	oklch(47.87% 0.145 266.4)
XYZ	xyz(12.5407, 10.5226, 41.4064)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3756AE #AE8F37

analogous

#3791AE #3756AE #5437AE

triadic

#3756AE #AE3756 #56AE37

tetradic

#3756AE #AE3791 #AE8F37 #37AE54

square

#3756AE #AE3791 #AE8F37 #37AE54

split-complementary

#3756AE #AE5437 #91AE37

monochromatic

#1A2851 #283F7F #3756AE #5876CA #869CD9

Accessibility & contrast

On white

6.76

#3756AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3756AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3756AE

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3756AE	#FFFFFF	#000000	##FFFFFF
##3756AE	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2361B1

Deuteranopia (green-blind)

#0056AC

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3756ae;
/* rgb */ color: rgb(55, 86, 174);
/* oklch */ color: oklch(47.9% 0.145 266.4);

Tailwind

colors: {
  custom: {
    50: '#7c85c7',
    500: '#3756ae',
    950: '#000000',
  },
}

SCSS

$custom: #3756ae;
$custom-light: #7c85c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3756ae",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 174
  },
  "hsl": {
    "h": 224.37,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47874,
    "c": 0.14513,
    "h": 266.4
  },
  "luminance": 0.10524
}

Semantic roles & 50–950 ramp

primary

#3756AE

secondary

#C3B17E

accent

#B64CDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3756AE

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

Preview Lab → · Contrast checker → · Palette generator →