#3741C6#3741C6

#3741C6 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 45.9% C 0.203 H 272.0°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#3741C6
RGB	rgb(55, 65, 198)
HSL	hsl(236, 57%, 50%)
HSV	hsv(236, 72%, 78%)
CMYK	cmyk(72.2%, 67.2%, 0%, 22.4%)
CIE-LAB	lab(35.34, 40.59, -70.16)
CIE-LCH	lch(35.34, 81.05, 300.05°)
OKLab	oklab(45.92% 0.0072 -0.2028)
OKLCH	oklch(45.92% 0.203 272)
XYZ	xyz(13.6554, 8.6686, 54.3687)
Luminance	0.0867 (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

#3741C6 #C6BC37

analogous

#3789C6 #3741C6 #7437C6

triadic

#3741C6 #C63741 #41C637

tetradic

#3741C6 #C63789 #C6BC37 #37C674

square

#3741C6 #C63789 #C6BC37 #37C674

split-complementary

#3741C6 #C67437 #89C637

monochromatic

#1C2266 #2A3196 #3741C6 #666ED4 #969BE2

Accessibility & contrast

On white

7.68

#3741C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3741C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3741C6

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3741C6	#FFFFFF	#000000	##FFFFFF
##3741C6	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)

#005ACA

Deuteranopia (green-blind)

#004CC4

Tritanopia (blue-blind)

#00657E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3741c6;
/* rgb */ color: rgb(55, 65, 198);
/* oklch */ color: oklch(45.9% 0.203 272.0);

Tailwind

colors: {
  custom: {
    50: '#8276d8',
    500: '#3741c6',
    950: '#000000',
  },
}

SCSS

$custom: #3741c6;
$custom-light: #8276d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3741c6",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 198
  },
  "hsl": {
    "h": 235.804,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45916,
    "c": 0.20298,
    "h": 272
  },
  "luminance": 0.0867
}

Semantic roles & 50–950 ramp

primary

#3741C6

secondary

#CDC98C

accent

#D548E0

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3741C6

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

Preview Lab → · Contrast checker → · Palette generator →