#3752B4#3752B4

#3752B4 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.159 H 268.2°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#3752B4
RGB	rgb(55, 82, 180)
HSL	hsl(227, 53%, 46%)
HSV	hsv(227, 69%, 71%)
CMYK	cmyk(69.4%, 54.4%, 0%, 29.4%)
CIE-LAB	lab(38.09, 23.31, -55.10)
CIE-LCH	lch(38.09, 59.83, 292.93°)
OKLab	oklab(47.5% -0.005 -0.1585)
OKLCH	oklch(47.5% 0.159 268.2)
XYZ	xyz(12.8282, 10.1408, 44.4525)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752B4 #B49937

analogous

#3790B4 #3752B4 #5A37B4

triadic

#3752B4 #B43752 #52B437

tetradic

#3752B4 #B43790 #B49937 #37B45A

square

#3752B4 #B43790 #B49937 #37B45A

split-complementary

#3752B4 #B45A37 #90B437

monochromatic

#1A2756 #293D85 #3752B4 #5B74CD #8A9CDB

Accessibility & contrast

On white

6.93

#3752B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3752B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752B4

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752B4	#FFFFFF	#000000	##FFFFFF
##3752B4	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0460B7

Deuteranopia (green-blind)

#0054B2

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3752b4;
/* rgb */ color: rgb(55, 82, 180);
/* oklch */ color: oklch(47.5% 0.159 268.2);

Tailwind

colors: {
  custom: {
    50: '#7d82cb',
    500: '#3752b4',
    950: '#000000',
  },
}

SCSS

$custom: #3752b4;
$custom-light: #7d82cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3752b4",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 180
  },
  "hsl": {
    "h": 227.04,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.475,
    "c": 0.1586,
    "h": 268.2
  },
  "luminance": 0.10142
}

Semantic roles & 50–950 ramp

primary

#3752B4

secondary

#C6B781

accent

#BD4BDD

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3752B4

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

Preview Lab → · Contrast checker → · Palette generator →