#3752C0#3752C0

#3752C0 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.5% C 0.175 H 268.5°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3752C0
RGB	rgb(55, 82, 192)
HSL	hsl(228, 55%, 48%)
HSV	hsv(228, 71%, 75%)
CMYK	cmyk(71.4%, 57.3%, 0%, 24.7%)
CIE-LAB	lab(38.99, 27.70, -60.69)
CIE-LCH	lch(38.99, 66.71, 294.53°)
OKLab	oklab(48.45% -0.0044 -0.1749)
OKLCH	oklch(48.45% 0.175 268.5)
XYZ	xyz(14.1040, 10.6511, 51.1715)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752C0 #C0A537

analogous

#3796C0 #3752C0 #6037C0

triadic

#3752C0 #C03752 #52C037

tetradic

#3752C0 #C03796 #C0A537 #37C060

square

#3752C0 #C03796 #C0A537 #37C060

split-complementary

#3752C0 #C06037 #96C037

monochromatic

#1C2961 #293E90 #3752C0 #6278D2 #92A1E0

Accessibility & contrast

On white

6.71

#3752C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3752C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752C0

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752C0	#FFFFFF	#000000	##FFFFFF
##3752C0	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C4

Deuteranopia (green-blind)

#0056BE

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3752c0;
/* rgb */ color: rgb(55, 82, 192);
/* oklch */ color: oklch(48.5% 0.175 268.5);

Tailwind

colors: {
  custom: {
    50: '#8082d4',
    500: '#3752c0',
    950: '#000000',
  },
}

SCSS

$custom: #3752c0;
$custom-light: #8082d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3752c0",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 192
  },
  "hsl": {
    "h": 228.175,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48452,
    "c": 0.17501,
    "h": 268.5
  },
  "luminance": 0.10653
}

Semantic roles & 50–950 ramp

primary

#3752C0

secondary

#CBBE88

accent

#C149DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3752C0

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

Preview Lab → · Contrast checker → · Palette generator →