#3743C3#3743C3

#3743C3 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.0% C 0.197 H 271.8°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#3743C3
RGB	rgb(55, 67, 195)
HSL	hsl(235, 56%, 49%)
HSV	hsv(235, 72%, 76%)
CMYK	cmyk(71.8%, 65.6%, 0%, 23.5%)
CIE-LAB	lab(35.53, 38.32, -68.09)
CIE-LCH	lch(35.53, 78.13, 299.37°)
OKLab	oklab(45.97% 0.0062 -0.1968)
OKLCH	oklch(45.97% 0.197 271.8)
XYZ	xyz(13.4297, 8.7653, 52.6033)
Luminance	0.0877 (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

#3743C3 #C3B737

analogous

#3789C3 #3743C3 #7137C3

triadic

#3743C3 #C33743 #43C337

tetradic

#3743C3 #C33789 #C3B737 #37C371

square

#3743C3 #C33789 #C3B737 #37C371

split-complementary

#3743C3 #C37137 #89C337

monochromatic

#1C2264 #2A3393 #3743C3 #646DD3 #949AE1

Accessibility & contrast

On white

7.63

#3743C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3743C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3743C3

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3743C3	#FFFFFF	#000000	##FFFFFF
##3743C3	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC7

Deuteranopia (green-blind)

#004DC1

Tritanopia (blue-blind)

#00657D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3743c3;
/* rgb */ color: rgb(55, 67, 195);
/* oklch */ color: oklch(46.0% 0.197 271.8);

Tailwind

colors: {
  custom: {
    50: '#8177d6',
    500: '#3743c3',
    950: '#000000',
  },
}

SCSS

$custom: #3743c3;
$custom-light: #8177d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3743c3",
  "rgb": {
    "r": 55,
    "g": 67,
    "b": 195
  },
  "hsl": {
    "h": 234.857,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45972,
    "c": 0.1969,
    "h": 271.8
  },
  "luminance": 0.08767
}

Semantic roles & 50–950 ramp

primary

#3743C3

secondary

#CCC68A

accent

#D249DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3743C3

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

Preview Lab → · Contrast checker → · Palette generator →