#3743C2#3743C2

#3743C2 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.9% C 0.196 H 271.8°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#3743C2
RGB	rgb(55, 67, 194)
HSL	hsl(235, 56%, 49%)
HSV	hsv(235, 72%, 76%)
CMYK	cmyk(71.6%, 65.5%, 0%, 23.9%)
CIE-LAB	lab(35.44, 37.97, -67.65)
CIE-LCH	lch(35.44, 77.58, 299.30°)
OKLab	oklab(45.88% 0.0063 -0.1955)
OKLCH	oklch(45.88% 0.196 271.8)
XYZ	xyz(13.3170, 8.7202, 52.0098)
Luminance	0.0872 (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

#3743C2 #C2B637

analogous

#3789C2 #3743C2 #7137C2

triadic

#3743C2 #C23743 #43C237

tetradic

#3743C2 #C23789 #C2B637 #37C271

square

#3743C2 #C23789 #C2B637 #37C271

split-complementary

#3743C2 #C27137 #89C237

monochromatic

#1C2263 #293392 #3743C2 #636DD3 #939AE0

Accessibility & contrast

On white

7.65

#3743C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3743C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3743C2

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3743C2	#FFFFFF	#000000	##FFFFFF
##3743C2	1.00	7.65	2.74	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC6

Deuteranopia (green-blind)

#004DC0

Tritanopia (blue-blind)

#00657C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3743c2;
/* rgb */ color: rgb(55, 67, 194);
/* oklch */ color: oklch(45.9% 0.196 271.8);

Tailwind

colors: {
  custom: {
    50: '#8177d6',
    500: '#3743c2',
    950: '#000000',
  },
}

SCSS

$custom: #3743c2;
$custom-light: #8177d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3743c2",
  "rgb": {
    "r": 55,
    "g": 67,
    "b": 194
  },
  "hsl": {
    "h": 234.82,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.4588,
    "c": 0.19561,
    "h": 271.8
  },
  "luminance": 0.08722
}

Semantic roles & 50–950 ramp

primary

#3743C2

secondary

#CBC689

accent

#D249DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3743C2

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

Preview Lab → · Contrast checker → · Palette generator →