#3752BF#3752BF

#3752BF is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.4% C 0.174 H 268.5°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3752BF
RGB	rgb(55, 82, 191)
HSL	hsl(228, 55%, 48%)
HSV	hsv(228, 71%, 75%)
CMYK	cmyk(71.2%, 57.1%, 0%, 25.1%)
CIE-LAB	lab(38.91, 27.33, -60.23)
CIE-LCH	lch(38.91, 66.14, 294.41°)
OKLab	oklab(48.37% -0.0045 -0.1736)
OKLCH	oklch(48.37% 0.174 268.5)
XYZ	xyz(13.9936, 10.6070, 50.5900)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752BF #BFA437

analogous

#3796BF #3752BF #6037BF

triadic

#3752BF #BF3752 #52BF37

tetradic

#3752BF #BF3796 #BFA437 #37BF60

square

#3752BF #BF3796 #BFA437 #37BF60

split-complementary

#3752BF #BF6037 #96BF37

monochromatic

#1C2960 #293E8F #3752BF #6278D2 #91A1DF

Accessibility & contrast

On white

6.73

#3752BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3752BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752BF

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752BF	#FFFFFF	#000000	##FFFFFF
##3752BF	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C3

Deuteranopia (green-blind)

#0056BD

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3752bf;
/* rgb */ color: rgb(55, 82, 191);
/* oklch */ color: oklch(48.4% 0.174 268.5);

Tailwind

colors: {
  custom: {
    50: '#7f82d3',
    500: '#3752bf',
    950: '#000000',
  },
}

SCSS

$custom: #3752bf;
$custom-light: #7f82d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3752bf",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 191
  },
  "hsl": {
    "h": 228.088,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48371,
    "c": 0.17366,
    "h": 268.5
  },
  "luminance": 0.10608
}

Semantic roles & 50–950 ramp

primary

#3752BF

secondary

#CABD88

accent

#C149DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3752BF

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

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