#3752BA#3752BA

#3752BA is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.0% C 0.167 H 268.4°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3752BA
RGB	rgb(55, 82, 186)
HSL	hsl(228, 54%, 47%)
HSV	hsv(228, 70%, 73%)
CMYK	cmyk(70.4%, 55.9%, 0%, 27.1%)
CIE-LAB	lab(38.53, 25.51, -57.92)
CIE-LCH	lch(38.53, 63.28, 293.77°)
OKLab	oklab(47.97% -0.0047 -0.1668)
OKLCH	oklch(47.97% 0.167 268.4)
XYZ	xyz(13.4527, 10.3906, 47.7415)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752BA #BA9F37

analogous

#3793BA #3752BA #5E37BA

triadic

#3752BA #BA3752 #52BA37

tetradic

#3752BA #BA3793 #BA9F37 #37BA5E

square

#3752BA #BA3793 #BA9F37 #37BA5E

split-complementary

#3752BA #BA5E37 #93BA37

monochromatic

#1B285C #293D8B #3752BA #5F76D0 #8E9EDE

Accessibility & contrast

On white

6.82

#3752BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3752BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752BA

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752BA	#FFFFFF	#000000	##FFFFFF
##3752BA	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BE

Deuteranopia (green-blind)

#0055B8

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3752ba;
/* rgb */ color: rgb(55, 82, 186);
/* oklch */ color: oklch(48.0% 0.167 268.4);

Tailwind

colors: {
  custom: {
    50: '#7e82cf',
    500: '#3752ba',
    950: '#000000',
  },
}

SCSS

$custom: #3752ba;
$custom-light: #7e82cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3752ba",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 186
  },
  "hsl": {
    "h": 227.634,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47971,
    "c": 0.16686,
    "h": 268.4
  },
  "luminance": 0.10392
}

Semantic roles & 50–950 ramp

primary

#3752BA

secondary

#C8BA85

accent

#BF4ADE

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3752BA

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

Preview Lab → · Contrast checker → · Palette generator →