#3741C2#3741C2

#3741C2 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.198 H 272.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#3741C2
RGB	rgb(55, 65, 194)
HSL	hsl(236, 56%, 49%)
HSV	hsv(236, 72%, 76%)
CMYK	cmyk(71.6%, 66.5%, 0%, 23.9%)
CIE-LAB	lab(34.98, 39.21, -68.41)
CIE-LCH	lch(34.98, 78.85, 299.82°)
OKLab	oklab(45.54% 0.0075 -0.1977)
OKLCH	oklch(45.54% 0.198 272.2)
XYZ	xyz(13.2002, 8.4865, 51.9709)
Luminance	0.0849 (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

#3741C2 #C2B837

analogous

#3787C2 #3741C2 #7337C2

triadic

#3741C2 #C23741 #41C237

tetradic

#3741C2 #C23787 #C2B837 #37C273

square

#3741C2 #C23787 #C2B837 #37C273

split-complementary

#3741C2 #C27337 #87C237

monochromatic

#1C2163 #293192 #3741C2 #636BD3 #9399E0

Accessibility & contrast

On white

7.78

#3741C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3741C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3741C2

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3741C2	#FFFFFF	#000000	##FFFFFF
##3741C2	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C6

Deuteranopia (green-blind)

#004CC0

Tritanopia (blue-blind)

#00637C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3741c2;
/* rgb */ color: rgb(55, 65, 194);
/* oklch */ color: oklch(45.5% 0.198 272.2);

Tailwind

colors: {
  custom: {
    50: '#8176d6',
    500: '#3741c2',
    950: '#000000',
  },
}

SCSS

$custom: #3741c2;
$custom-light: #8176d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3741c2",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 194
  },
  "hsl": {
    "h": 235.683,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45543,
    "c": 0.19789,
    "h": 272.2
  },
  "luminance": 0.08488
}

Semantic roles & 50–950 ramp

primary

#3741C2

secondary

#CBC789

accent

#D449DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3741C2

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

Preview Lab → · Contrast checker → · Palette generator →