#3755A0#3755A0

#3755A0 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.7% C 0.126 H 265.4°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#3755A0
RGB	rgb(55, 85, 160)
HSL	hsl(223, 49%, 42%)
HSV	hsv(223, 66%, 63%)
CMYK	cmyk(65.6%, 46.9%, 0%, 37.3%)
CIE-LAB	lab(37.57, 14.00, -44.08)
CIE-LCH	lch(37.57, 46.25, 287.63°)
OKLab	oklab(46.66% -0.0101 -0.126)
OKLCH	oklch(46.66% 0.126 265.4)
XYZ	xyz(11.1670, 9.8463, 34.5629)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755A0 #A08237

analogous

#378AA0 #3755A0 #4E37A0

triadic

#3755A0 #A03755 #55A037

tetradic

#3755A0 #A0378A #A08237 #37A04E

square

#3755A0 #A0378A #A08237 #37A04E

split-complementary

#3755A0 #A04E37 #8AA037

monochromatic

#182545 #273D72 #3755A0 #5172C3 #7F97D3

Accessibility & contrast

On white

7.07

#3755A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3755A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3755A0

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755A0	#FFFFFF	#000000	##FFFFFF
##3755A0	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305DA3

Deuteranopia (green-blind)

#1D549E

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3755a0;
/* rgb */ color: rgb(55, 85, 160);
/* oklch */ color: oklch(46.7% 0.126 265.4);

Tailwind

colors: {
  custom: {
    50: '#7984bc',
    500: '#3755a0',
    950: '#000000',
  },
}

SCSS

$custom: #3755a0;
$custom-light: #7984bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3755a0",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 160
  },
  "hsl": {
    "h": 222.857,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.46664,
    "c": 0.12644,
    "h": 265.4
  },
  "luminance": 0.09847
}

Semantic roles & 50–950 ramp

primary

#3755A0

secondary

#BCA877

accent

#B14FD8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3755A0

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

Preview Lab → · Contrast checker → · Palette generator →