#3755BA#3755BA

#3755BA is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.6% C 0.163 H 267.5°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3755BA
RGB	rgb(55, 85, 186)
HSL	hsl(226, 54%, 47%)
HSV	hsv(226, 70%, 73%)
CMYK	cmyk(70.4%, 54.3%, 0%, 27.1%)
CIE-LAB	lab(39.33, 23.56, -56.62)
CIE-LCH	lch(39.33, 61.33, 292.59°)
OKLab	oklab(48.57% -0.0072 -0.1629)
OKLCH	oklch(48.57% 0.163 267.5)
XYZ	xyz(13.6839, 10.8530, 47.8185)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755BA #BA9C37

analogous

#3796BA #3755BA #5B37BA

triadic

#3755BA #BA3755 #55BA37

tetradic

#3755BA #BA3796 #BA9C37 #37BA5B

square

#3755BA #BA3796 #BA9C37 #37BA5B

split-complementary

#3755BA #BA5B37 #96BA37

monochromatic

#1B2A5C #293F8B #3755BA #5F78D0 #8EA0DE

Accessibility & contrast

On white

6.62

#3755BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3755BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3755BA

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755BA	#FFFFFF	#000000	##FFFFFF
##3755BA	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0363BE

Deuteranopia (green-blind)

#0057B8

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3755ba;
/* rgb */ color: rgb(55, 85, 186);
/* oklch */ color: oklch(48.6% 0.163 267.5);

Tailwind

colors: {
  custom: {
    50: '#7e84cf',
    500: '#3755ba',
    950: '#000000',
  },
}

SCSS

$custom: #3755ba;
$custom-light: #7e84cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3755ba",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 186
  },
  "hsl": {
    "h": 226.26,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.4857,
    "c": 0.1631,
    "h": 267.5
  },
  "luminance": 0.10854
}

Semantic roles & 50–950 ramp

primary

#3755BA

secondary

#C8B985

accent

#BC4ADE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3755BA

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

Preview Lab → · Contrast checker → · Palette generator →