#3B77CA#3B77CA

#3B77CA is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.1% C 0.143 H 257.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#3B77CA
RGBrgb(59, 119, 202)
HSLhsl(215, 57%, 51%)
HSVhsv(215, 71%, 79%)
CMYKcmyk(70.8%, 41.1%, 0%, 20.8%)
CIE-LABlab(49.96, 8.33, -48.78)
CIE-LCHlch(49.96, 49.49, 279.69°)
OKLaboklab(57.09% -0.0318 -0.1393)
OKLCHoklch(57.09% 0.143 257.1)
XYZxyz(19.0572, 18.3857, 58.4101)
Luminance0.1839 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B77CA #CA8E3B
analogous
#3BBFCA #3B77CA #463BCA
triadic
#3B77CA #CA3B77 #77CA3B
tetradic
#3B77CA #CA3BBF #CA8E3B #3BCA46
square
#3B77CA #CA3BBF #CA8E3B #3BCA46
split-complementary
#3B77CA #CA463B #BFCA3B
monochromatic
#1E3F6D #2B5B9D #3B77CA #6B98D7 #9BBAE4

Accessibility & contrast

On white

4.49
#3B77CA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#3B77CA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B77CA
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B77CA#FFFFFF#000000##000000
##3B77CA1.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#507ECD
Deuteranopia (green-blind)
#3871C8
Tritanopia (blue-blind)
#008A97
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3b77ca;
/* rgb */ color: rgb(59, 119, 202);
/* oklch */ color: oklch(57.1% 0.143 257.1);
Tailwind
colors: {
  custom: {
    50: '#829dda',
    500: '#3b77ca',
    950: '#000000',
  },
}
SCSS
$custom: #3b77ca;
$custom-light: #829dda;
$custom-dark: #000000;
JSON
{
  "hex": "#3b77ca",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 202
  },
  "hsl": {
    "h": 214.825,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57086,
    "c": 0.14285,
    "h": 257.1
  },
  "luminance": 0.18388
}

Semantic roles & 50–950 ramp

primary
#3B77CA
secondary
#D0B591
accent
#A047E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3B77CA

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

Preview Lab → · Contrast checker → · Palette generator →

#3B77CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva