#3775BA#3775BA

#3775BA is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.5% C 0.125 H 253.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3775BA
RGB	rgb(55, 117, 186)
HSL	hsl(212, 54%, 47%)
HSV	hsv(212, 70%, 73%)
CMYK	cmyk(70.4%, 37.1%, 0%, 27.1%)
CIE-LAB	lab(48.36, 3.18, -42.15)
CIE-LCH	lch(48.36, 42.27, 274.31°)
OKLab	oklab(55.51% -0.0365 -0.1199)
OKLCH	oklch(55.51% 0.125 253.1)
XYZ	xyz(16.7965, 17.0782, 48.8561)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3775BA #BA7C37

analogous

#37B7BA #3775BA #3A37BA

triadic

#3775BA #BA3775 #75BA37

tetradic

#3775BA #BA37B7 #BA7C37 #37BA3A

square

#3775BA #BA37B7 #BA7C37 #37BA3A

split-complementary

#3775BA #BA3A37 #B7BA37

monochromatic

#1B3A5C #29578B #3775BA #5F94D0 #8EB4DE

Accessibility & contrast

On white

4.76

#3775BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3775BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3775BA

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3775BA	#FFFFFF	#000000	##FFFFFF
##3775BA	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567ABD

Deuteranopia (green-blind)

#426DB9

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3775ba;
/* rgb */ color: rgb(55, 117, 186);
/* oklch */ color: oklch(55.5% 0.125 253.1);

Tailwind

colors: {
  custom: {
    50: '#7d9ccf',
    500: '#3775ba',
    950: '#000000',
  },
}

SCSS

$custom: #3775ba;
$custom-light: #7d9ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3775ba",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 186
  },
  "hsl": {
    "h": 211.603,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55511,
    "c": 0.12533,
    "h": 253.1
  },
  "luminance": 0.1708
}

Semantic roles & 50–950 ramp

primary

#3775BA

secondary

#C8A885

accent

#984ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3775BA

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

Preview Lab → · Contrast checker → · Palette generator →