#3744C5#3744C5

#3744C5 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.3% C 0.198 H 271.6°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#3744C5
RGB	rgb(55, 68, 197)
HSL	hsl(235, 56%, 49%)
HSV	hsv(235, 72%, 77%)
CMYK	cmyk(72.1%, 65.5%, 0%, 22.7%)
CIE-LAB	lab(35.94, 38.40, -68.59)
CIE-LCH	lch(35.94, 78.60, 299.24°)
OKLab	oklab(46.33% 0.0054 -0.1982)
OKLCH	oklch(46.33% 0.198 271.6)
XYZ	xyz(13.7173, 8.9763, 53.8222)
Luminance	0.0898 (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

#3744C5 #C5B837

analogous

#378BC5 #3744C5 #7137C5

triadic

#3744C5 #C53744 #44C537

tetradic

#3744C5 #C5378B #C5B837 #37C571

square

#3744C5 #C5378B #C5B837 #37C571

split-complementary

#3744C5 #C57137 #8BC537

monochromatic

#1C2365 #2A3395 #3744C5 #656FD4 #959CE1

Accessibility & contrast

On white

7.51

#3744C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3744C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3744C5

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3744C5	#FFFFFF	#000000	##FFFFFF
##3744C5	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC9

Deuteranopia (green-blind)

#004EC3

Tritanopia (blue-blind)

#00667E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3744c5;
/* rgb */ color: rgb(55, 68, 197);
/* oklch */ color: oklch(46.3% 0.198 271.6);

Tailwind

colors: {
  custom: {
    50: '#8278d8',
    500: '#3744c5',
    950: '#000000',
  },
}

SCSS

$custom: #3744c5;
$custom-light: #8278d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3744c5",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 197
  },
  "hsl": {
    "h": 234.507,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46326,
    "c": 0.19832,
    "h": 271.6
  },
  "luminance": 0.08978
}

Semantic roles & 50–950 ramp

primary

#3744C5

secondary

#CDC78B

accent

#D248E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3744C5

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

Preview Lab → · Contrast checker → · Palette generator →