#3752B2#3752B2

#3752B2 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.3% C 0.156 H 268.1°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3752B2
RGB	rgb(55, 82, 178)
HSL	hsl(227, 53%, 46%)
HSV	hsv(227, 69%, 70%)
CMYK	cmyk(69.1%, 53.9%, 0%, 30.2%)
CIE-LAB	lab(37.95, 22.58, -54.16)
CIE-LCH	lch(37.95, 58.68, 292.63°)
OKLab	oklab(47.35% -0.0052 -0.1557)
OKLCH	oklch(47.35% 0.156 268.1)
XYZ	xyz(12.6260, 10.0599, 43.3872)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752B2 #B29737

analogous

#378FB2 #3752B2 #5937B2

triadic

#3752B2 #B23752 #52B237

tetradic

#3752B2 #B2378F #B29737 #37B259

square

#3752B2 #B2378F #B29737 #37B259

split-complementary

#3752B2 #B25937 #8FB237

monochromatic

#1A2754 #293C83 #3752B2 #5A73CC #899BDB

Accessibility & contrast

On white

6.97

#3752B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3752B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752B2

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752B2	#FFFFFF	#000000	##FFFFFF
##3752B2	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B5FB5

Deuteranopia (green-blind)

#0054B0

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3752b2;
/* rgb */ color: rgb(55, 82, 178);
/* oklch */ color: oklch(47.3% 0.156 268.1);

Tailwind

colors: {
  custom: {
    50: '#7d82ca',
    500: '#3752b2',
    950: '#000000',
  },
}

SCSS

$custom: #3752b2;
$custom-light: #7d82ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3752b2",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 178
  },
  "hsl": {
    "h": 226.829,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.47346,
    "c": 0.15582,
    "h": 268.1
  },
  "luminance": 0.10061
}

Semantic roles & 50–950 ramp

primary

#3752B2

secondary

#C5B680

accent

#BC4CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3752B2

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

Preview Lab → · Contrast checker → · Palette generator →