#3771AE#3771AE

#3771AE is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.9% C 0.114 H 251.7°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#3771AE
RGBrgb(55, 113, 174)
HSLhsl(211, 52%, 45%)
HSVhsv(211, 68%, 68%)
CMYKcmyk(68.4%, 35.1%, 0%, 31.8%)
CIE-LABlab(46.55, 1.30, -38.05)
CIE-LCHlch(46.55, 38.08, 271.96°)
OKLaboklab(53.89% -0.0357 -0.108)
OKLCHoklch(53.89% 0.114 251.7)
XYZxyz(15.1178, 15.6769, 42.2654)
Luminance0.1568 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3771AE #AE7437
analogous
#37ADAE #3771AE #3837AE
triadic
#3771AE #AE3771 #71AE37
tetradic
#3771AE #AE37AD #AE7437 #37AE38
square
#3771AE #AE37AD #AE7437 #37AE38
split-complementary
#3771AE #AE3837 #ADAE37
monochromatic
#1A3551 #28537F #3771AE #5890CA #86AFD9

Accessibility & contrast

On white

5.08
#3771AE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.14
#3771AE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3771AE
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3771AE#FFFFFF#000000##FFFFFF
##3771AE1.005.084.145.08
#FFFFFF5.081.0021.001.00
#0000004.1421.001.0021.00
##FFFFFF5.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5674B1
Deuteranopia (green-blind)
#4569AD
Tritanopia (blue-blind)
#007F87
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #3771ae;
/* rgb */ color: rgb(55, 113, 174);
/* oklch */ color: oklch(53.9% 0.114 251.7);
Tailwind
colors: {
  custom: {
    50: '#7b99c6',
    500: '#3771ae',
    950: '#000000',
  },
}
SCSS
$custom: #3771ae;
$custom-light: #7b99c6;
$custom-dark: #000000;
JSON
{
  "hex": "#3771ae",
  "rgb": {
    "r": 55,
    "g": 113,
    "b": 174
  },
  "hsl": {
    "h": 210.756,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53888,
    "c": 0.11371,
    "h": 251.7
  },
  "luminance": 0.15678
}

Semantic roles & 50–950 ramp

primary
#3771AE
secondary
#C3A17E
accent
#964CDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #3771AE

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

Preview Lab → · Contrast checker → · Palette generator →

#3771AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva