#3755C4#3755C4

#3755C4 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.4% C 0.177 H 267.8°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#3755C4
RGB	rgb(55, 85, 196)
HSL	hsl(227, 56%, 49%)
HSV	hsv(227, 72%, 77%)
CMYK	cmyk(71.9%, 56.6%, 0%, 23.1%)
CIE-LAB	lab(40.07, 27.22, -61.26)
CIE-LCH	lch(40.07, 67.03, 293.96°)
OKLab	oklab(49.36% -0.0066 -0.1766)
OKLCH	oklch(49.36% 0.177 267.8)
XYZ	xyz(14.7844, 11.2932, 53.6145)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755C4 #C4A637

analogous

#379CC4 #3755C4 #6037C4

triadic

#3755C4 #C43755 #55C437

tetradic

#3755C4 #C4379C #C4A637 #37C460

square

#3755C4 #C4379C #C4A637 #37C460

split-complementary

#3755C4 #C46037 #9CC437

monochromatic

#1C2C64 #2A4094 #3755C4 #657CD4 #94A5E1

Accessibility & contrast

On white

6.44

#3755C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3755C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3755C4

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755C4	#FFFFFF	#000000	##FFFFFF
##3755C4	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C8

Deuteranopia (green-blind)

#0058C2

Tritanopia (blue-blind)

#007084

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3755c4;
/* rgb */ color: rgb(55, 85, 196);
/* oklch */ color: oklch(49.4% 0.177 267.8);

Tailwind

colors: {
  custom: {
    50: '#8084d7',
    500: '#3755c4',
    950: '#000000',
  },
}

SCSS

$custom: #3755c4;
$custom-light: #8084d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3755c4",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 196
  },
  "hsl": {
    "h": 227.234,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49358,
    "c": 0.1767,
    "h": 267.8
  },
  "luminance": 0.11295
}

Semantic roles & 50–950 ramp

primary

#3755C4

secondary

#CCBE8B

accent

#BF48DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3755C4

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

Preview Lab → · Contrast checker → · Palette generator →