#3752CC#3752CC

#3752CC is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.4% C 0.191 H 268.7°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#3752CC
RGB	rgb(55, 82, 204)
HSL	hsl(229, 59%, 51%)
HSV	hsv(229, 73%, 80%)
CMYK	cmyk(73%, 59.8%, 0%, 20%)
CIE-LAB	lab(39.92, 32.05, -66.14)
CIE-LCH	lch(39.92, 73.49, 295.86°)
OKLab	oklab(49.44% -0.0042 -0.1909)
OKLCH	oklch(49.44% 0.191 268.7)
XYZ	xyz(15.4882, 11.2048, 58.4615)
Luminance	0.1121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752CC #CCB137

analogous

#379CCC #3752CC #6737CC

triadic

#3752CC #CC3752 #52CC37

tetradic

#3752CC #CC379C #CCB137 #37CC67

square

#3752CC #CC379C #CCB137 #37CC67

split-complementary

#3752CC #CC6737 #9CCC37

monochromatic

#1C2A6D #283D9E #3752CC #687CD8 #99A6E5

Accessibility & contrast

On white

6.48

#3752CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3752CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752CC

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752CC	#FFFFFF	#000000	##FFFFFF
##3752CC	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D0

Deuteranopia (green-blind)

#0057CA

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3752cc;
/* rgb */ color: rgb(55, 82, 204);
/* oklch */ color: oklch(49.4% 0.191 268.7);

Tailwind

colors: {
  custom: {
    50: '#8282dc',
    500: '#3752cc',
    950: '#000000',
  },
}

SCSS

$custom: #3752cc;
$custom-light: #8282dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3752cc",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 204
  },
  "hsl": {
    "h": 229.128,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49443,
    "c": 0.19099,
    "h": 268.7
  },
  "luminance": 0.11206
}

Semantic roles & 50–950 ramp

primary

#3752CC

secondary

#D0C48E

accent

#C645E3

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3752CC

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

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