#3753AE#3753AE

#3753AE is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.2% C 0.149 H 267.5°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3753AE
RGB	rgb(55, 83, 174)
HSL	hsl(226, 52%, 45%)
HSV	hsv(226, 68%, 68%)
CMYK	cmyk(68.4%, 52.3%, 0%, 31.8%)
CIE-LAB	lab(37.94, 20.46, -51.81)
CIE-LCH	lch(37.94, 55.70, 291.54°)
OKLab	oklab(47.25% -0.0064 -0.1488)
OKLCH	oklch(47.25% 0.149 267.5)
XYZ	xyz(12.3061, 10.0535, 41.3282)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3753AE #AE9237

analogous

#378FAE #3753AE #5637AE

triadic

#3753AE #AE3753 #53AE37

tetradic

#3753AE #AE378F #AE9237 #37AE56

square

#3753AE #AE378F #AE9237 #37AE56

split-complementary

#3753AE #AE5637 #8FAE37

monochromatic

#1A2751 #283D7F #3753AE #5873CA #869AD9

Accessibility & contrast

On white

6.97

#3753AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3753AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3753AE

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3753AE	#FFFFFF	#000000	##FFFFFF
##3753AE	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A5FB1

Deuteranopia (green-blind)

#0054AC

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3753ae;
/* rgb */ color: rgb(55, 83, 174);
/* oklch */ color: oklch(47.2% 0.149 267.5);

Tailwind

colors: {
  custom: {
    50: '#7c82c7',
    500: '#3753ae',
    950: '#000000',
  },
}

SCSS

$custom: #3753ae;
$custom-light: #7c82c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3753ae",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 174
  },
  "hsl": {
    "h": 225.882,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47247,
    "c": 0.14895,
    "h": 267.5
  },
  "luminance": 0.10055
}

Semantic roles & 50–950 ramp

primary

#3753AE

secondary

#C3B37E

accent

#BA4CDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3753AE

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

Preview Lab → · Contrast checker → · Palette generator →