#3437AE#3437AE

#3437AE is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.8% C 0.184 H 273.9°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#3437AE
RGB	rgb(52, 55, 174)
HSL	hsl(239, 54%, 44%)
HSV	hsv(239, 70%, 68%)
CMYK	cmyk(70.1%, 68.4%, 0%, 31.8%)
CIE-LAB	lab(30.68, 38.09, -63.64)
CIE-LCH	lch(30.68, 74.16, 300.90°)
OKLab	oklab(41.82% 0.0127 -0.1839)
OKLCH	oklch(41.82% 0.184 273.9)
XYZ	xyz(10.4198, 6.5174, 40.7451)
Luminance	0.0652 (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

#3437AE #AEAB34

analogous

#3474AE #3437AE #6E34AE

triadic

#3437AE #AE3437 #37AE34

tetradic

#3437AE #AE3474 #AEAB34 #34AE6E

square

#3437AE #AE3474 #AEAB34 #34AE6E

split-complementary

#3437AE #AE6E34 #74AE34

monochromatic

#181950 #26287F #3437AE #5356CC #8385DA

Accessibility & contrast

On white

9.12

#3437AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3437AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3437AE

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3437AE	#FFFFFF	#000000	##FFFFFF
##3437AE	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB2

Deuteranopia (green-blind)

#0043AC

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3437ae;
/* rgb */ color: rgb(52, 55, 174);
/* oklch */ color: oklch(41.8% 0.184 273.9);

Tailwind

colors: {
  custom: {
    50: '#7d6ec7',
    500: '#3437ae',
    950: '#000000',
  },
}

SCSS

$custom: #3437ae;
$custom-light: #7d6ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#3437ae",
  "rgb": {
    "r": 52,
    "g": 55,
    "b": 174
  },
  "hsl": {
    "h": 238.525,
    "s": 53.982,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41821,
    "c": 0.18432,
    "h": 273.9
  },
  "luminance": 0.06518
}

Semantic roles & 50–950 ramp

primary

#3437AE

secondary

#C3C17B

accent

#DA4ADD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3437AE

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

Preview Lab → · Contrast checker → · Palette generator →