#3752B0#3752B0

#3752B0 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.2% C 0.153 H 268.0°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3752B0
RGB	rgb(55, 82, 176)
HSL	hsl(227, 52%, 45%)
HSV	hsv(227, 69%, 69%)
CMYK	cmyk(68.8%, 53.4%, 0%, 31%)
CIE-LAB	lab(37.81, 21.84, -53.21)
CIE-LCH	lch(37.81, 57.52, 292.32°)
OKLab	oklab(47.19% -0.0053 -0.1529)
OKLCH	oklch(47.19% 0.153 268)
XYZ	xyz(12.4266, 9.9802, 42.3374)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752B0 #B09537

analogous

#378EB0 #3752B0 #5937B0

triadic

#3752B0 #B03752 #52B037

tetradic

#3752B0 #B0378E #B09537 #37B059

square

#3752B0 #B0378E #B09537 #37B059

split-complementary

#3752B0 #B05937 #8EB037

monochromatic

#1A2753 #283C81 #3752B0 #5973CB #889ADA

Accessibility & contrast

On white

7.01

#3752B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3752B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752B0

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752B0	#FFFFFF	#000000	##FFFFFF
##3752B0	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#115FB3

Deuteranopia (green-blind)

#0054AE

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3752b0;
/* rgb */ color: rgb(55, 82, 176);
/* oklch */ color: oklch(47.2% 0.153 268.0);

Tailwind

colors: {
  custom: {
    50: '#7c82c8',
    500: '#3752b0',
    950: '#000000',
  },
}

SCSS

$custom: #3752b0;
$custom-light: #7c82c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3752b0",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 176
  },
  "hsl": {
    "h": 226.612,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47192,
    "c": 0.15303,
    "h": 268
  },
  "luminance": 0.09981
}

Semantic roles & 50–950 ramp

primary

#3752B0

secondary

#C4B47F

accent

#BC4CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3752B0

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

Preview Lab → · Contrast checker → · Palette generator →