#3734C0#3734C0

#3734C0 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.3% C 0.209 H 274.2°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#3734C0
RGB	rgb(55, 52, 192)
HSL	hsl(241, 57%, 48%)
HSV	hsv(241, 73%, 75%)
CMYK	cmyk(71.4%, 72.9%, 0%, 24.7%)
CIE-LAB	lab(31.97, 46.23, -72.18)
CIE-LCH	lch(31.97, 85.72, 302.64°)
OKLab	oklab(43.32% 0.0154 -0.2087)
OKLCH	oklch(43.32% 0.209 274.2)
XYZ	xyz(12.3148, 7.0728, 50.5751)
Luminance	0.0707 (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

#3734C0 #BDC034

analogous

#3477C0 #3734C0 #7D34C0

triadic

#3734C0 #C03734 #34C037

tetradic

#3734C0 #C03477 #BDC034 #34C07D

square

#3734C0 #C03477 #BDC034 #34C07D

split-complementary

#3734C0 #C07D34 #77C034

monochromatic

#1B1A60 #292790 #3734C0 #605ED3 #908EE0

Accessibility & contrast

On white

8.70

#3734C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3734C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734C0

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734C0	#FFFFFF	#000000	##FFFFFF
##3734C0	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C4

Deuteranopia (green-blind)

#0045BD

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3734c0;
/* rgb */ color: rgb(55, 52, 192);
/* oklch */ color: oklch(43.3% 0.209 274.2);

Tailwind

colors: {
  custom: {
    50: '#826dd4',
    500: '#3734c0',
    950: '#000000',
  },
}

SCSS

$custom: #3734c0;
$custom-light: #826dd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3734c0",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 192
  },
  "hsl": {
    "h": 241.286,
    "s": 57.377,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43322,
    "c": 0.2093,
    "h": 274.2
  },
  "luminance": 0.07074
}

Semantic roles & 50–950 ramp

primary

#3734C0

secondary

#C9CB85

accent

#E147DD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3734C0

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

Preview Lab → · Contrast checker → · Palette generator →