#3741C5#3741C5

#3741C5 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.8% C 0.202 H 272.1°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3741C5
RGB	rgb(55, 65, 197)
HSL	hsl(236, 56%, 49%)
HSV	hsv(236, 72%, 77%)
CMYK	cmyk(72.1%, 67%, 0%, 22.7%)
CIE-LAB	lab(35.25, 40.24, -69.72)
CIE-LCH	lch(35.25, 80.50, 299.99°)
OKLab	oklab(45.82% 0.0073 -0.2016)
OKLCH	oklch(45.82% 0.202 272.1)
XYZ	xyz(13.5405, 8.6227, 53.7632)
Luminance	0.0862 (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

#3741C5 #C5BB37

analogous

#3788C5 #3741C5 #7437C5

triadic

#3741C5 #C53741 #41C537

tetradic

#3741C5 #C53788 #C5BB37 #37C574

square

#3741C5 #C53788 #C5BB37 #37C574

split-complementary

#3741C5 #C57437 #88C537

monochromatic

#1C2165 #2A3195 #3741C5 #656DD4 #959AE1

Accessibility & contrast

On white

7.71

#3741C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3741C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3741C5

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3741C5	#FFFFFF	#000000	##FFFFFF
##3741C5	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC9

Deuteranopia (green-blind)

#004CC3

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3741c5;
/* rgb */ color: rgb(55, 65, 197);
/* oklch */ color: oklch(45.8% 0.202 272.1);

Tailwind

colors: {
  custom: {
    50: '#8276d8',
    500: '#3741c5',
    950: '#000000',
  },
}

SCSS

$custom: #3741c5;
$custom-light: #8276d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3741c5",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 197
  },
  "hsl": {
    "h": 235.775,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45822,
    "c": 0.20171,
    "h": 272.1
  },
  "luminance": 0.08624
}

Semantic roles & 50–950 ramp

primary

#3741C5

secondary

#CDC88B

accent

#D548E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3741C5

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

Preview Lab → · Contrast checker → · Palette generator →