#3734AF#3734AF

#3734AF is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.6% C 0.188 H 275.5°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#3734AF
RGB	rgb(55, 52, 175)
HSL	hsl(241, 54%, 45%)
HSV	hsv(241, 70%, 69%)
CMYK	cmyk(68.6%, 70.3%, 0%, 31.4%)
CIE-LAB	lab(30.31, 40.60, -64.84)
CIE-LCH	lch(30.31, 76.50, 302.05°)
OKLab	oklab(41.63% 0.0181 -0.1873)
OKLCH	oklch(41.63% 0.188 275.5)
XYZ	xyz(10.5389, 6.3624, 41.2218)
Luminance	0.0636 (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

#3734AF #ACAF34

analogous

#346FAF #3734AF #7434AF

triadic

#3734AF #AF3734 #34AF37

tetradic

#3734AF #AF346F #ACAF34 #34AF74

square

#3734AF #AF346F #ACAF34 #34AF74

split-complementary

#3734AF #AF7434 #6FAF34

monochromatic

#191851 #282680 #3734AF #5754CC #8583DA

Accessibility & contrast

On white

9.24

#3734AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3734AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734AF

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734AF	#FFFFFF	#000000	##FFFFFF
##3734AF	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB3

Deuteranopia (green-blind)

#0042AD

Tritanopia (blue-blind)

#00566D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3734af;
/* rgb */ color: rgb(55, 52, 175);
/* oklch */ color: oklch(41.6% 0.188 275.5);

Tailwind

colors: {
  custom: {
    50: '#7e6cc8',
    500: '#3734af',
    950: '#000000',
  },
}

SCSS

$custom: #3734af;
$custom-light: #7e6cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3734af",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 175
  },
  "hsl": {
    "h": 241.463,
    "s": 54.185,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41632,
    "c": 0.18821,
    "h": 275.5
  },
  "luminance": 0.06363
}

Semantic roles & 50–950 ramp

primary

#3734AF

secondary

#C2C47B

accent

#DE4ADA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3734AF

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

Preview Lab → · Contrast checker → · Palette generator →