#3752C7#3752C7

#3752C7 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.0% C 0.184 H 268.7°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#3752C7
RGB	rgb(55, 82, 199)
HSL	hsl(229, 57%, 50%)
HSV	hsv(229, 72%, 78%)
CMYK	cmyk(72.4%, 58.8%, 0%, 22%)
CIE-LAB	lab(39.53, 30.24, -63.88)
CIE-LCH	lch(39.53, 70.68, 295.33°)
OKLab	oklab(49.03% -0.0043 -0.1843)
OKLCH	oklch(49.03% 0.184 268.7)
XYZ	xyz(14.8981, 10.9688, 55.3538)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752C7 #C7AC37

analogous

#379AC7 #3752C7 #6437C7

triadic

#3752C7 #C73752 #52C737

tetradic

#3752C7 #C7379A #C7AC37 #37C764

square

#3752C7 #C7379A #C7AC37 #37C764

split-complementary

#3752C7 #C76437 #9AC737

monochromatic

#1C2A67 #2A3E97 #3752C7 #667BD5 #96A5E2

Accessibility & contrast

On white

6.57

#3752C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3752C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752C7

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752C7	#FFFFFF	#000000	##FFFFFF
##3752C7	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CB

Deuteranopia (green-blind)

#0057C5

Tritanopia (blue-blind)

#006F84

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3752c7;
/* rgb */ color: rgb(55, 82, 199);
/* oklch */ color: oklch(49.0% 0.184 268.7);

Tailwind

colors: {
  custom: {
    50: '#8182d9',
    500: '#3752c7',
    950: '#000000',
  },
}

SCSS

$custom: #3752c7;
$custom-light: #8182d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3752c7",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 199
  },
  "hsl": {
    "h": 228.75,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.49026,
    "c": 0.18438,
    "h": 268.7
  },
  "luminance": 0.1097
}

Semantic roles & 50–950 ramp

primary

#3752C7

secondary

#CDC18C

accent

#C348E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3752C7

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

Preview Lab → · Contrast checker → · Palette generator →