#3741C4#3741C4

#3741C4 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.7% C 0.200 H 272.1°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3741C4
RGB	rgb(55, 65, 196)
HSL	hsl(236, 56%, 49%)
HSV	hsv(236, 72%, 77%)
CMYK	cmyk(71.9%, 66.8%, 0%, 23.1%)
CIE-LAB	lab(35.16, 39.90, -69.29)
CIE-LCH	lch(35.16, 79.95, 299.94°)
OKLab	oklab(45.73% 0.0074 -0.2003)
OKLCH	oklch(45.73% 0.2 272.1)
XYZ	xyz(13.4263, 8.5770, 53.1618)
Luminance	0.0858 (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

#3741C4 #C4BA37

analogous

#3788C4 #3741C4 #7437C4

triadic

#3741C4 #C43741 #41C437

tetradic

#3741C4 #C43788 #C4BA37 #37C474

square

#3741C4 #C43788 #C4BA37 #37C474

split-complementary

#3741C4 #C47437 #88C437

monochromatic

#1C2164 #2A3194 #3741C4 #656CD4 #949AE1

Accessibility & contrast

On white

7.73

#3741C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3741C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3741C4

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3741C4	#FFFFFF	#000000	##FFFFFF
##3741C4	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C8

Deuteranopia (green-blind)

#004CC2

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3741c4;
/* rgb */ color: rgb(55, 65, 196);
/* oklch */ color: oklch(45.7% 0.200 272.1);

Tailwind

colors: {
  custom: {
    50: '#8276d7',
    500: '#3741c4',
    950: '#000000',
  },
}

SCSS

$custom: #3741c4;
$custom-light: #8276d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3741c4",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 196
  },
  "hsl": {
    "h": 235.745,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45729,
    "c": 0.20044,
    "h": 272.1
  },
  "luminance": 0.08578
}

Semantic roles & 50–950 ramp

primary

#3741C4

secondary

#CCC88B

accent

#D548DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3741C4

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

Preview Lab → · Contrast checker → · Palette generator →