#3733E2#3733E2

#3733E2 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.7% C 0.250 H 272.1°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#3733E2
RGB	rgb(55, 51, 226)
HSL	hsl(241, 75%, 54%)
HSV	hsv(241, 77%, 89%)
CMYK	cmyk(75.7%, 77.4%, 0%, 11.4%)
CIE-LAB	lab(35.34, 57.53, -86.32)
CIE-LCH	lch(35.34, 103.74, 303.68°)
OKLab	oklab(46.75% 0.0092 -0.2498)
OKLCH	oklch(46.75% 0.25 272.1)
XYZ	xyz(16.4822, 8.6691, 72.7414)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3733E2 #DEE233

analogous

#3387E2 #3733E2 #8E33E2

triadic

#3733E2 #E23733 #33E237

tetradic

#3733E2 #E23387 #DEE233 #33E28E

square

#3733E2 #E23387 #DEE233 #33E28E

split-complementary

#3733E2 #E28E33 #87E233

monochromatic

#161387 #1F1BBD #3733E2 #6C69EA #A09EF1

Accessibility & contrast

On white

7.68

#3733E2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3733E2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3733E2

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3733E2	#FFFFFF	#000000	##FFFFFF
##3733E2	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)

#005CE7

Deuteranopia (green-blind)

#004ADF

Tritanopia (blue-blind)

#00698A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3733e2;
/* rgb */ color: rgb(55, 51, 226);
/* oklch */ color: oklch(46.7% 0.250 272.1);

Tailwind

colors: {
  custom: {
    50: '#8a6eed',
    500: '#3733e2',
    950: '#000000',
  },
}

SCSS

$custom: #3733e2;
$custom-light: #8a6eed;
$custom-dark: #000000;

JSON

{
  "hex": "#3733e2",
  "rgb": {
    "r": 55,
    "g": 51,
    "b": 226
  },
  "hsl": {
    "h": 241.371,
    "s": 75.107,
    "l": 54.314
  },
  "oklch": {
    "l": 0.46749,
    "c": 0.25002,
    "h": 272.1
  },
  "luminance": 0.08671
}

Semantic roles & 50–950 ramp

primary

#3733E2

secondary

#DCDE93

accent

#F236ED

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0717

muted

#7E7A85

Preview Lab

Preview with #3733E2

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

Preview Lab → · Contrast checker → · Palette generator →