#3734AE#3734AE

#3734AE is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.5% C 0.187 H 275.6°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#3734AE
RGB	rgb(55, 52, 174)
HSL	hsl(241, 54%, 44%)
HSV	hsv(241, 70%, 68%)
CMYK	cmyk(68.4%, 70.1%, 0%, 31.8%)
CIE-LAB	lab(30.21, 40.26, -64.40)
CIE-LCH	lch(30.21, 75.95, 302.02°)
OKLab	oklab(41.54% 0.0183 -0.186)
OKLCH	oklch(41.54% 0.187 275.6)
XYZ	xyz(10.4410, 6.3233, 40.7065)
Luminance	0.0632 (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

#3734AE #ABAE34

analogous

#346EAE #3734AE #7434AE

triadic

#3734AE #AE3734 #34AE37

tetradic

#3734AE #AE346E #ABAE34 #34AE74

square

#3734AE #AE346E #ABAE34 #34AE74

split-complementary

#3734AE #AE7434 #6EAE34

monochromatic

#191850 #28267F #3734AE #5653CC #8583DA

Accessibility & contrast

On white

9.27

#3734AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3734AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734AE

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734AE	#FFFFFF	#000000	##FFFFFF
##3734AE	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB2

Deuteranopia (green-blind)

#0042AC

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3734ae;
/* rgb */ color: rgb(55, 52, 174);
/* oklch */ color: oklch(41.5% 0.187 275.6);

Tailwind

colors: {
  custom: {
    50: '#7e6cc7',
    500: '#3734ae',
    950: '#000000',
  },
}

SCSS

$custom: #3734ae;
$custom-light: #7e6cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3734ae",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 174
  },
  "hsl": {
    "h": 241.475,
    "s": 53.982,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41535,
    "c": 0.18694,
    "h": 275.6
  },
  "luminance": 0.06324
}

Semantic roles & 50–950 ramp

primary

#3734AE

secondary

#C1C37B

accent

#DD4ADA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3734AE

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

Preview Lab → · Contrast checker → · Palette generator →