#3744BE#3744BE

#3744BE is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.7% C 0.189 H 271.8°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#3744BE
RGB	rgb(55, 68, 190)
HSL	hsl(234, 55%, 48%)
HSV	hsv(234, 71%, 75%)
CMYK	cmyk(71.1%, 64.2%, 0%, 25.5%)
CIE-LAB	lab(35.33, 35.94, -65.49)
CIE-LCH	lch(35.33, 74.71, 298.76°)
OKLab	oklab(45.69% 0.0059 -0.1892)
OKLCH	oklch(45.69% 0.189 271.8)
XYZ	xyz(12.9338, 8.6629, 49.6957)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3744BE #BEB137

analogous

#3787BE #3744BE #6D37BE

triadic

#3744BE #BE3744 #44BE37

tetradic

#3744BE #BE3787 #BEB137 #37BE6D

square

#3744BE #BE3787 #BEB137 #37BE6D

split-complementary

#3744BE #BE6D37 #87BE37

monochromatic

#1C225F #29338F #3744BE #616CD1 #9098DF

Accessibility & contrast

On white

7.68

#3744BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3744BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3744BE

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3744BE	#FFFFFF	#000000	##FFFFFF
##3744BE	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C2

Deuteranopia (green-blind)

#004DBC

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3744be;
/* rgb */ color: rgb(55, 68, 190);
/* oklch */ color: oklch(45.7% 0.189 271.8);

Tailwind

colors: {
  custom: {
    50: '#8078d3',
    500: '#3744be',
    950: '#000000',
  },
}

SCSS

$custom: #3744be;
$custom-light: #8078d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3744be",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 190
  },
  "hsl": {
    "h": 234.222,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.4569,
    "c": 0.18928,
    "h": 271.8
  },
  "luminance": 0.08664
}

Semantic roles & 50–950 ramp

primary

#3744BE

secondary

#CAC387

accent

#D049DE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3744BE

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

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