#3734C4#3734C4

#3734C4 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.7% C 0.214 H 273.9°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#3734C4
RGB	rgb(55, 52, 196)
HSL	hsl(241, 58%, 49%)
HSV	hsv(241, 73%, 77%)
CMYK	cmyk(71.9%, 73.5%, 0%, 23.1%)
CIE-LAB	lab(32.38, 47.53, -73.86)
CIE-LCH	lch(32.38, 87.84, 302.76°)
OKLab	oklab(43.73% 0.0146 -0.2136)
OKLCH	oklch(43.73% 0.214 273.9)
XYZ	xyz(12.7640, 7.2525, 52.9410)
Luminance	0.0725 (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

#3734C4 #C1C434

analogous

#3479C4 #3734C4 #7F34C4

triadic

#3734C4 #C43734 #34C437

tetradic

#3734C4 #C43479 #C1C434 #34C47F

square

#3734C4 #C43479 #C1C434 #34C47F

split-complementary

#3734C4 #C47F34 #79C434

monochromatic

#1C1A63 #292794 #3734C4 #6360D5 #9291E2

Accessibility & contrast

On white

8.57

#3734C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3734C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734C4

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734C4	#FFFFFF	#000000	##FFFFFF
##3734C4	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C8

Deuteranopia (green-blind)

#0045C1

Tritanopia (blue-blind)

#005D79

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3734c4;
/* rgb */ color: rgb(55, 52, 196);
/* oklch */ color: oklch(43.7% 0.214 273.9);

Tailwind

colors: {
  custom: {
    50: '#836dd7',
    500: '#3734c4',
    950: '#000000',
  },
}

SCSS

$custom: #3734c4;
$custom-light: #836dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3734c4",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 196
  },
  "hsl": {
    "h": 241.25,
    "s": 58.065,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43729,
    "c": 0.21415,
    "h": 273.9
  },
  "luminance": 0.07254
}

Semantic roles & 50–950 ramp

primary

#3734C4

secondary

#CBCC87

accent

#E147DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3734C4

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

Preview Lab → · Contrast checker → · Palette generator →