#3776BB#3776BB

#3776BB is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.8% C 0.126 H 252.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3776BB
RGB	rgb(55, 118, 187)
HSL	hsl(211, 55%, 47%)
HSV	hsv(211, 71%, 73%)
CMYK	cmyk(70.6%, 36.9%, 0%, 26.7%)
CIE-LAB	lab(48.70, 2.93, -42.18)
CIE-LCH	lch(48.70, 42.28, 273.97°)
OKLab	oklab(55.8% -0.0372 -0.12)
OKLCH	oklch(55.8% 0.126 252.8)
XYZ	xyz(17.0203, 17.3551, 49.4569)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3776BB #BB7C37

analogous

#37B8BB #3776BB #3A37BB

triadic

#3776BB #BB3776 #76BB37

tetradic

#3776BB #BB37B8 #BB7C37 #37BB3A

square

#3776BB #BB37B8 #BB7C37 #37BB3A

split-complementary

#3776BB #BB3A37 #B8BB37

monochromatic

#1B3A5C #29588C #3776BB #5F95D0 #8EB4DE

Accessibility & contrast

On white

4.70

#3776BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3776BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3776BB

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3776BB	#FFFFFF	#000000	##FFFFFF
##3776BB	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577ABE

Deuteranopia (green-blind)

#436EBA

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3776bb;
/* rgb */ color: rgb(55, 118, 187);
/* oklch */ color: oklch(55.8% 0.126 252.8);

Tailwind

colors: {
  custom: {
    50: '#7d9dd0',
    500: '#3776bb',
    950: '#000000',
  },
}

SCSS

$custom: #3776bb;
$custom-light: #7d9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3776bb",
  "rgb": {
    "r": 55,
    "g": 118,
    "b": 187
  },
  "hsl": {
    "h": 211.364,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55799,
    "c": 0.1256,
    "h": 252.8
  },
  "luminance": 0.17357
}

Semantic roles & 50–950 ramp

primary

#3776BB

secondary

#C9A885

accent

#974ADE

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3776BB

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

Preview Lab → · Contrast checker → · Palette generator →