#3734C1#3734C1

#3734C1 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.4% C 0.211 H 274.1°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#3734C1
RGB	rgb(55, 52, 193)
HSL	hsl(241, 58%, 48%)
HSV	hsv(241, 73%, 76%)
CMYK	cmyk(71.5%, 73.1%, 0%, 24.3%)
CIE-LAB	lab(32.07, 46.56, -72.60)
CIE-LCH	lch(32.07, 86.25, 302.67°)
OKLab	oklab(43.42% 0.0152 -0.21)
OKLCH	oklch(43.42% 0.211 274.1)
XYZ	xyz(12.4260, 7.1172, 51.1606)
Luminance	0.0712 (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

#3734C1 #BEC134

analogous

#3477C1 #3734C1 #7E34C1

triadic

#3734C1 #C13734 #34C137

tetradic

#3734C1 #C13477 #BEC134 #34C17E

square

#3734C1 #C13477 #BEC134 #34C17E

split-complementary

#3734C1 #C17E34 #77C134

monochromatic

#1C1A61 #292791 #3734C1 #615ED4 #908FE1

Accessibility & contrast

On white

8.66

#3734C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3734C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734C1

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734C1	#FFFFFF	#000000	##FFFFFF
##3734C1	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C5

Deuteranopia (green-blind)

#0045BE

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3734c1;
/* rgb */ color: rgb(55, 52, 193);
/* oklch */ color: oklch(43.4% 0.211 274.1);

Tailwind

colors: {
  custom: {
    50: '#826dd5',
    500: '#3734c1',
    950: '#000000',
  },
}

SCSS

$custom: #3734c1;
$custom-light: #826dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3734c1",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 193
  },
  "hsl": {
    "h": 241.277,
    "s": 57.551,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43424,
    "c": 0.21052,
    "h": 274.1
  },
  "luminance": 0.07118
}

Semantic roles & 50–950 ramp

primary

#3734C1

secondary

#CACB86

accent

#E147DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3734C1

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

Preview Lab → · Contrast checker → · Palette generator →