#3734C5#3734C5

#3734C5 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.8% C 0.215 H 273.9°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3734C5
RGB	rgb(55, 52, 197)
HSL	hsl(241, 58%, 49%)
HSV	hsv(241, 74%, 77%)
CMYK	cmyk(72.1%, 73.6%, 0%, 22.7%)
CIE-LAB	lab(32.48, 47.86, -74.28)
CIE-LCH	lch(32.48, 88.36, 302.79°)
OKLab	oklab(43.83% 0.0145 -0.2149)
OKLCH	oklch(43.83% 0.215 273.9)
XYZ	xyz(12.8782, 7.2981, 53.5425)
Luminance	0.0730 (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

#3734C5 #C2C534

analogous

#347AC5 #3734C5 #8034C5

triadic

#3734C5 #C53734 #34C537

tetradic

#3734C5 #C5347A #C2C534 #34C580

square

#3734C5 #C5347A #C2C534 #34C580

split-complementary

#3734C5 #C58034 #7AC534

monochromatic

#1C1A64 #292795 #3734C5 #6361D5 #9391E2

Accessibility & contrast

On white

8.54

#3734C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3734C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734C5

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734C5	#FFFFFF	#000000	##FFFFFF
##3734C5	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C9

Deuteranopia (green-blind)

#0045C2

Tritanopia (blue-blind)

#005E7A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3734c5;
/* rgb */ color: rgb(55, 52, 197);
/* oklch */ color: oklch(43.8% 0.215 273.9);

Tailwind

colors: {
  custom: {
    50: '#836dd8',
    500: '#3734c5',
    950: '#000000',
  },
}

SCSS

$custom: #3734c5;
$custom-light: #836dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3734c5",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 197
  },
  "hsl": {
    "h": 241.241,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43832,
    "c": 0.21536,
    "h": 273.9
  },
  "luminance": 0.07299
}

Semantic roles & 50–950 ramp

primary

#3734C5

secondary

#CBCD88

accent

#E146DE

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3734C5

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

Preview Lab → · Contrast checker → · Palette generator →