#3752BD#3752BD

#3752BD is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.2% C 0.171 H 268.5°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#3752BD
RGB	rgb(55, 82, 189)
HSL	hsl(228, 55%, 48%)
HSV	hsv(228, 71%, 74%)
CMYK	cmyk(70.9%, 56.6%, 0%, 25.9%)
CIE-LAB	lab(38.76, 26.61, -59.31)
CIE-LCH	lch(38.76, 65.00, 294.16°)
OKLab	oklab(48.21% -0.0046 -0.1709)
OKLCH	oklch(48.21% 0.171 268.5)
XYZ	xyz(13.7750, 10.5195, 49.4388)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752BD #BDA237

analogous

#3795BD #3752BD #5F37BD

triadic

#3752BD #BD3752 #52BD37

tetradic

#3752BD #BD3795 #BDA237 #37BD5F

square

#3752BD #BD3795 #BDA237 #37BD5F

split-complementary

#3752BD #BD5F37 #95BD37

monochromatic

#1B295E #293D8E #3752BD #6077D1 #90A0DF

Accessibility & contrast

On white

6.77

#3752BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3752BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752BD

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752BD	#FFFFFF	#000000	##FFFFFF
##3752BD	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C1

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3752bd;
/* rgb */ color: rgb(55, 82, 189);
/* oklch */ color: oklch(48.2% 0.171 268.5);

Tailwind

colors: {
  custom: {
    50: '#7f82d2',
    500: '#3752bd',
    950: '#000000',
  },
}

SCSS

$custom: #3752bd;
$custom-light: #7f82d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3752bd",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 189
  },
  "hsl": {
    "h": 227.91,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4821,
    "c": 0.17094,
    "h": 268.5
  },
  "luminance": 0.10521
}

Semantic roles & 50–950 ramp

primary

#3752BD

secondary

#C9BC86

accent

#C04ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3752BD

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

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