#3755CD#3755CD

#3755CD is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.1% C 0.189 H 268.1°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#3755CD
RGB	rgb(55, 85, 205)
HSL	hsl(228, 60%, 51%)
HSV	hsv(228, 73%, 80%)
CMYK	cmyk(73.2%, 58.5%, 0%, 19.6%)
CIE-LAB	lab(40.76, 30.50, -65.35)
CIE-LCH	lch(40.76, 72.11, 295.02°)
OKLab	oklab(50.09% -0.0063 -0.1886)
OKLCH	oklch(50.09% 0.189 268.1)
XYZ	xyz(15.8397, 11.7153, 59.1723)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755CD #CDAF37

analogous

#37A0CD #3755CD #6437CD

triadic

#3755CD #CD3755 #55CD37

tetradic

#3755CD #CD37A0 #CDAF37 #37CD64

square

#3755CD #CD37A0 #CDAF37 #37CD64

split-complementary

#3755CD #CD6437 #A0CD37

monochromatic

#1C2C6E #28409F #3755CD #687FD9 #99A8E5

Accessibility & contrast

On white

6.28

#3755CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3755CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3755CD

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755CD	#FFFFFF	#000000	##FFFFFF
##3755CD	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D1

Deuteranopia (green-blind)

#0059CB

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3755cd;
/* rgb */ color: rgb(55, 85, 205);
/* oklch */ color: oklch(50.1% 0.189 268.1);

Tailwind

colors: {
  custom: {
    50: '#8284dd',
    500: '#3755cd',
    950: '#000000',
  },
}

SCSS

$custom: #3755cd;
$custom-light: #8284dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3755cd",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 205
  },
  "hsl": {
    "h": 228,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.50091,
    "c": 0.1887,
    "h": 268.1
  },
  "luminance": 0.11717
}

Semantic roles & 50–950 ramp

primary

#3755CD

secondary

#D1C48F

accent

#C345E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3755CD

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

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