#3734C8#3734C8

#3734C8 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.1% C 0.219 H 273.6°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#3734C8
RGB	rgb(55, 52, 200)
HSL	hsl(241, 59%, 49%)
HSV	hsv(241, 74%, 78%)
CMYK	cmyk(72.5%, 74%, 0%, 21.6%)
CIE-LAB	lab(32.78, 48.83, -75.53)
CIE-LCH	lch(32.78, 89.94, 302.88°)
OKLab	oklab(44.14% 0.0139 -0.2185)
OKLCH	oklch(44.14% 0.219 273.6)
XYZ	xyz(13.2254, 7.4370, 55.3709)
Luminance	0.0744 (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

#3734C8 #C5C834

analogous

#347BC8 #3734C8 #8134C8

triadic

#3734C8 #C83734 #34C837

tetradic

#3734C8 #C8347B #C5C834 #34C881

square

#3734C8 #C8347B #C5C834 #34C881

split-complementary

#3734C8 #C88134 #7BC834

monochromatic

#1C1B67 #2A2797 #3734C8 #6563D6 #9593E3

Accessibility & contrast

On white

8.44

#3734C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3734C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734C8

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734C8	#FFFFFF	#000000	##FFFFFF
##3734C8	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CC

Deuteranopia (green-blind)

#0046C5

Tritanopia (blue-blind)

#005F7B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3734c8;
/* rgb */ color: rgb(55, 52, 200);
/* oklch */ color: oklch(44.1% 0.219 273.6);

Tailwind

colors: {
  custom: {
    50: '#846dda',
    500: '#3734c8',
    950: '#000000',
  },
}

SCSS

$custom: #3734c8;
$custom-light: #846dda;
$custom-dark: #000000;

JSON

{
  "hex": "#3734c8",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 200
  },
  "hsl": {
    "h": 241.216,
    "s": 58.73,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44139,
    "c": 0.21895,
    "h": 273.6
  },
  "luminance": 0.07438
}

Semantic roles & 50–950 ramp

primary

#3734C8

secondary

#CDCE8A

accent

#E246DF

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3734C8

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

Preview Lab → · Contrast checker → · Palette generator →