#3752B8#3752B8

#3752B8 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.8% C 0.164 H 268.3°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3752B8
RGB	rgb(55, 82, 184)
HSL	hsl(227, 54%, 47%)
HSV	hsv(227, 70%, 72%)
CMYK	cmyk(70.1%, 55.4%, 0%, 27.8%)
CIE-LAB	lab(38.39, 24.78, -56.98)
CIE-LCH	lch(38.39, 62.14, 293.50°)
OKLab	oklab(47.81% -0.0048 -0.164)
OKLCH	oklch(47.81% 0.164 268.3)
XYZ	xyz(13.2416, 10.3062, 46.6296)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752B8 #B89D37

analogous

#3793B8 #3752B8 #5D37B8

triadic

#3752B8 #B83752 #52B837

tetradic

#3752B8 #B83793 #B89D37 #37B85D

square

#3752B8 #B83793 #B89D37 #37B85D

split-complementary

#3752B8 #B85D37 #93B837

monochromatic

#1B285A #293D89 #3752B8 #5D75CF #8D9DDD

Accessibility & contrast

On white

6.86

#3752B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3752B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752B8

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752B8	#FFFFFF	#000000	##FFFFFF
##3752B8	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BC

Deuteranopia (green-blind)

#0055B6

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3752b8;
/* rgb */ color: rgb(55, 82, 184);
/* oklch */ color: oklch(47.8% 0.164 268.3);

Tailwind

colors: {
  custom: {
    50: '#7e82ce',
    500: '#3752b8',
    950: '#000000',
  },
}

SCSS

$custom: #3752b8;
$custom-light: #7e82ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3752b8",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 184
  },
  "hsl": {
    "h": 227.442,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.47813,
    "c": 0.16411,
    "h": 268.3
  },
  "luminance": 0.10308
}

Semantic roles & 50–950 ramp

primary

#3752B8

secondary

#C7B984

accent

#BF4ADD

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3752B8

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

Preview Lab → · Contrast checker → · Palette generator →