#3B77D2#3B77D2

#3B77D2 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.153 H 258.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#3B77D2
RGBrgb(59, 119, 210)
HSLhsl(216, 63%, 53%)
HSVhsv(216, 72%, 82%)
CMYKcmyk(71.9%, 43.3%, 0%, 17.6%)
CIE-LABlab(50.42, 11.24, -52.60)
CIE-LCHlch(50.42, 53.79, 282.06°)
OKLaboklab(57.59% -0.0302 -0.1505)
OKLCHoklch(57.59% 0.153 258.6)
XYZxyz(20.0291, 18.7744, 63.5285)
Luminance0.1878 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B77D2 #D2963B
analogous
#3BC3D2 #3B77D2 #4A3BD2
triadic
#3B77D2 #D23B77 #77D23B
tetradic
#3B77D2 #D23BC3 #D2963B #3BD24A
square
#3B77D2 #D23BC3 #D2963B #3BD24A
split-complementary
#3B77D2 #D24A3B #C3D23B
monochromatic
#1B4077 #275BA9 #3B77D2 #6D9ADD #9FBCE9

Accessibility & contrast

On white

4.42
#3B77D2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#3B77D2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B77D2
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B77D2#FFFFFF#000000##000000
##3B77D21.004.424.764.76
#FFFFFF4.421.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#4A7FD6
Deuteranopia (green-blind)
#2F72D0
Tritanopia (blue-blind)
#008C9A
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3b77d2;
/* rgb */ color: rgb(59, 119, 210);
/* oklch */ color: oklch(57.6% 0.153 258.6);
Tailwind
colors: {
  custom: {
    50: '#839de0',
    500: '#3b77d2',
    950: '#000000',
  },
}
SCSS
$custom: #3b77d2;
$custom-light: #839de0;
$custom-dark: #000000;
JSON
{
  "hex": "#3b77d2",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 210
  },
  "hsl": {
    "h": 216.159,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57593,
    "c": 0.15349,
    "h": 258.6
  },
  "luminance": 0.18777
}

Semantic roles & 50–950 ramp

primary
#3B77D2
secondary
#D5BB94
accent
#A542E6
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3B77D2

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

Preview Lab → · Contrast checker → · Palette generator →

#3B77D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva