#3752B3#3752B3

#3752B3 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.157 H 268.1°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#3752B3
RGB	rgb(55, 82, 179)
HSL	hsl(227, 53%, 46%)
HSV	hsv(227, 69%, 70%)
CMYK	cmyk(69.3%, 54.2%, 0%, 29.8%)
CIE-LAB	lab(38.02, 22.95, -54.63)
CIE-LCH	lch(38.02, 59.25, 292.78°)
OKLab	oklab(47.42% -0.0051 -0.1571)
OKLCH	oklch(47.42% 0.157 268.1)
XYZ	xyz(12.7267, 10.1002, 43.9179)
Luminance	0.1010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752B3 #B39837

analogous

#3790B3 #3752B3 #5A37B3

triadic

#3752B3 #B33752 #52B337

tetradic

#3752B3 #B33790 #B39837 #37B35A

square

#3752B3 #B33790 #B39837 #37B35A

split-complementary

#3752B3 #B35A37 #90B337

monochromatic

#1A2755 #293D84 #3752B3 #5B73CD #8A9BDB

Accessibility & contrast

On white

6.95

#3752B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3752B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752B3

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752B3	#FFFFFF	#000000	##FFFFFF
##3752B3	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#085FB6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3752b3;
/* rgb */ color: rgb(55, 82, 179);
/* oklch */ color: oklch(47.4% 0.157 268.1);

Tailwind

colors: {
  custom: {
    50: '#7d82ca',
    500: '#3752b3',
    950: '#000000',
  },
}

SCSS

$custom: #3752b3;
$custom-light: #7d82ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3752b3",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 179
  },
  "hsl": {
    "h": 226.935,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.47423,
    "c": 0.15721,
    "h": 268.1
  },
  "luminance": 0.10101
}

Semantic roles & 50–950 ramp

primary

#3752B3

secondary

#C5B681

accent

#BD4BDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3752B3

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

Preview Lab → · Contrast checker → · Palette generator →