#3752B5#3752B5

#3752B5 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.6% C 0.160 H 268.2°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#3752B5
RGB	rgb(55, 82, 181)
HSL	hsl(227, 53%, 46%)
HSV	hsv(227, 70%, 71%)
CMYK	cmyk(69.6%, 54.7%, 0%, 29%)
CIE-LAB	lab(38.17, 23.68, -55.57)
CIE-LCH	lch(38.17, 60.41, 293.08°)
OKLab	oklab(47.58% -0.005 -0.1599)
OKLCH	oklch(47.58% 0.16 268.2)
XYZ	xyz(12.9305, 10.1817, 44.9909)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752B5 #B59A37

analogous

#3791B5 #3752B5 #5B37B5

triadic

#3752B5 #B53752 #52B537

tetradic

#3752B5 #B53791 #B59A37 #37B55B

square

#3752B5 #B53791 #B59A37 #37B55B

split-complementary

#3752B5 #B55B37 #91B537

monochromatic

#1A2757 #293D86 #3752B5 #5C74CD #8B9CDC

Accessibility & contrast

On white

6.92

#3752B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3752B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752B5

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752B5	#FFFFFF	#000000	##FFFFFF
##3752B5	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060B8

Deuteranopia (green-blind)

#0054B3

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3752b5;
/* rgb */ color: rgb(55, 82, 181);
/* oklch */ color: oklch(47.6% 0.160 268.2);

Tailwind

colors: {
  custom: {
    50: '#7d82cc',
    500: '#3752b5',
    950: '#000000',
  },
}

SCSS

$custom: #3752b5;
$custom-light: #7d82cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3752b5",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 181
  },
  "hsl": {
    "h": 227.143,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47578,
    "c": 0.15998,
    "h": 268.2
  },
  "luminance": 0.10183
}

Semantic roles & 50–950 ramp

primary

#3752B5

secondary

#C6B782

accent

#BE4BDD

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3752B5

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

Preview Lab → · Contrast checker → · Palette generator →