#3756AA#3756AA

#3756AA is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.6% C 0.139 H 266.0°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3756AA
RGB	rgb(55, 86, 170)
HSL	hsl(224, 51%, 44%)
HSV	hsv(224, 68%, 67%)
CMYK	cmyk(67.6%, 49.4%, 0%, 33.3%)
CIE-LAB	lab(38.50, 17.02, -48.54)
CIE-LCH	lch(38.50, 51.44, 289.32°)
OKLab	oklab(47.58% -0.0097 -0.1391)
OKLCH	oklch(47.58% 0.139 266)
XYZ	xyz(12.1565, 10.3689, 39.3832)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3756AA #AA8B37

analogous

#3790AA #3756AA #5237AA

triadic

#3756AA #AA3756 #56AA37

tetradic

#3756AA #AA3790 #AA8B37 #37AA52

square

#3756AA #AA3790 #AA8B37 #37AA52

split-complementary

#3756AA #AA5237 #90AA37

monochromatic

#19274E #283F7C #3756AA #5675C8 #849BD7

Accessibility & contrast

On white

6.83

#3756AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3756AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3756AA

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3756AA	#FFFFFF	#000000	##FFFFFF
##3756AA	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2860AD

Deuteranopia (green-blind)

#0856A8

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3756aa;
/* rgb */ color: rgb(55, 86, 170);
/* oklch */ color: oklch(47.6% 0.139 266.0);

Tailwind

colors: {
  custom: {
    50: '#7b85c4',
    500: '#3756aa',
    950: '#000000',
  },
}

SCSS

$custom: #3756aa;
$custom-light: #7b85c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3756aa",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 170
  },
  "hsl": {
    "h": 223.826,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47584,
    "c": 0.13948,
    "h": 266
  },
  "luminance": 0.1037
}

Semantic roles & 50–950 ramp

primary

#3756AA

secondary

#C1AE7C

accent

#B44DDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3756AA

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

Preview Lab → · Contrast checker → · Palette generator →