#3750C2#3750C2

#3750C2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.2% C 0.180 H 269.1°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3750C2
RGB	rgb(55, 80, 194)
HSL	hsl(229, 56%, 49%)
HSV	hsv(229, 72%, 76%)
CMYK	cmyk(71.6%, 58.8%, 0%, 23.9%)
CIE-LAB	lab(38.63, 29.72, -62.44)
CIE-LCH	lch(38.63, 69.16, 295.45°)
OKLab	oklab(48.23% -0.0029 -0.1801)
OKLCH	oklch(48.23% 0.18 269.1)
XYZ	xyz(14.1785, 10.4431, 52.2970)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3750C2 #C2A937

analogous

#3796C2 #3750C2 #6437C2

triadic

#3750C2 #C23750 #50C237

tetradic

#3750C2 #C23796 #C2A937 #37C264

square

#3750C2 #C23796 #C2A937 #37C264

split-complementary

#3750C2 #C26437 #96C237

monochromatic

#1C2963 #293C92 #3750C2 #6377D3 #93A1E0

Accessibility & contrast

On white

6.80

#3750C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3750C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3750C2

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3750C2	#FFFFFF	#000000	##FFFFFF
##3750C2	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C6

Deuteranopia (green-blind)

#0055C0

Tritanopia (blue-blind)

#006C81

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3750c2;
/* rgb */ color: rgb(55, 80, 194);
/* oklch */ color: oklch(48.2% 0.180 269.1);

Tailwind

colors: {
  custom: {
    50: '#8080d5',
    500: '#3750c2',
    950: '#000000',
  },
}

SCSS

$custom: #3750c2;
$custom-light: #8080d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3750c2",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 194
  },
  "hsl": {
    "h": 229.209,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48231,
    "c": 0.18015,
    "h": 269.1
  },
  "luminance": 0.10445
}

Semantic roles & 50–950 ramp

primary

#3750C2

secondary

#CBC089

accent

#C449DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3750C2

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

Preview Lab → · Contrast checker → · Palette generator →