#3734D1#3734D1

#3734D1 is a mid, highly saturated blue. Relative luminance 0.079; OKLCH L 45.1% C 0.230 H 273.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3734D1
RGB	rgb(55, 52, 209)
HSL	hsl(241, 63%, 51%)
HSV	hsv(241, 75%, 82%)
CMYK	cmyk(73.7%, 75.1%, 0%, 18%)
CIE-LAB	lab(33.71, 51.71, -79.23)
CIE-LCH	lch(33.71, 94.61, 303.13°)
OKLab	oklab(45.07% 0.0122 -0.2293)
OKLCH	oklch(45.07% 0.23 273.1)
XYZ	xyz(14.3083, 7.8702, 61.0743)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.44

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3734D1 #CED134

analogous

#3480D1 #3734D1 #8534D1

triadic

#3734D1 #D13734 #34D137

tetradic

#3734D1 #D13480 #CED134 #34D185

square

#3734D1 #D13480 #CED134 #34D185

split-complementary

#3734D1 #D18534 #80D134

monochromatic

#1B1A71 #2725A3 #3734D1 #6866DC #9998E8

Accessibility & contrast

On white

8.16

#3734D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3734D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734D1

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734D1	#FFFFFF	#000000	##FFFFFF
##3734D1	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D6

Deuteranopia (green-blind)

#0048CE

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3734d1;
/* rgb */ color: rgb(55, 52, 209);
/* oklch */ color: oklch(45.1% 0.230 273.1);

Tailwind

colors: {
  custom: {
    50: '#866ee1',
    500: '#3734d1',
    950: '#000000',
  },
}

SCSS

$custom: #3734d1;
$custom-light: #866ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3734d1",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 209
  },
  "hsl": {
    "h": 241.146,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45073,
    "c": 0.2296,
    "h": 273.1
  },
  "luminance": 0.07872
}

Semantic roles & 50–950 ramp

primary

#3734D1

secondary

#D2D38E

accent

#E642E3

background

#F9F6FE

surface

#F1ECFC

border

#CBC7D5

text

#0D0715

muted

#7E7A84

Preview Lab

Preview with #3734D1

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

Preview Lab → · Contrast checker → · Palette generator →