#3755C0#3755C0

#3755C0 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.0% C 0.171 H 267.7°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#3755C0
RGB	rgb(55, 85, 192)
HSL	hsl(227, 55%, 48%)
HSV	hsv(227, 71%, 75%)
CMYK	cmyk(71.4%, 55.7%, 0%, 24.7%)
CIE-LAB	lab(39.77, 25.76, -59.42)
CIE-LCH	lch(39.77, 64.76, 293.44°)
OKLab	oklab(49.04% -0.0068 -0.1712)
OKLCH	oklch(49.04% 0.171 267.7)
XYZ	xyz(14.3352, 11.1135, 51.2486)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755C0 #C0A237

analogous

#3799C0 #3755C0 #5D37C0

triadic

#3755C0 #C03755 #55C037

tetradic

#3755C0 #C03799 #C0A237 #37C05D

square

#3755C0 #C03799 #C0A237 #37C05D

split-complementary

#3755C0 #C05D37 #99C037

monochromatic

#1C2B61 #294090 #3755C0 #627BD2 #92A3E0

Accessibility & contrast

On white

6.52

#3755C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3755C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3755C0

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755C0	#FFFFFF	#000000	##FFFFFF
##3755C0	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C4

Deuteranopia (green-blind)

#0058BE

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3755c0;
/* rgb */ color: rgb(55, 85, 192);
/* oklch */ color: oklch(49.0% 0.171 267.7);

Tailwind

colors: {
  custom: {
    50: '#7f84d4',
    500: '#3755c0',
    950: '#000000',
  },
}

SCSS

$custom: #3755c0;
$custom-light: #7f84d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3755c0",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 192
  },
  "hsl": {
    "h": 226.861,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4904,
    "c": 0.1713,
    "h": 267.7
  },
  "luminance": 0.11115
}

Semantic roles & 50–950 ramp

primary

#3755C0

secondary

#CBBC88

accent

#BE49DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3755C0

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

Preview Lab → · Contrast checker → · Palette generator →