#3B77D9#3B77D9

#3B77D9 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.1% C 0.163 H 259.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX#3B77D9
RGBrgb(59, 119, 217)
HSLhsl(217, 68%, 54%)
HSVhsv(217, 73%, 85%)
CMYKcmyk(72.8%, 45.2%, 0%, 14.9%)
CIE-LABlab(50.84, 13.79, -55.90)
CIE-LCHlch(50.84, 57.57, 283.85°)
OKLaboklab(58.05% -0.029 -0.1602)
OKLCHoklch(58.05% 0.163 259.8)
XYZxyz(20.9203, 19.1309, 68.2223)
Luminance0.1913 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B77D9 #D99D3B
analogous
#3BC6D9 #3B77D9 #4E3BD9
triadic
#3B77D9 #D93B77 #77D93B
tetradic
#3B77D9 #D93BC6 #D99D3B #3BD94E
square
#3B77D9 #D93BC6 #D99D3B #3BD94E
split-complementary
#3B77D9 #D94E3B #C6D93B
monochromatic
#194081 #235AB4 #3B77D9 #6E9BE3 #A2BEED

Accessibility & contrast

On white

4.35
#3B77D9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.83
#3B77D9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B77D9
4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B77D9#FFFFFF#000000##000000
##3B77D91.004.354.834.83
#FFFFFF4.351.0021.0021.00
#0000004.8321.001.001.00
##0000004.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#4581DD
Deuteranopia (green-blind)
#2372D7
Tritanopia (blue-blind)
#008E9D
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #3b77d9;
/* rgb */ color: rgb(59, 119, 217);
/* oklch */ color: oklch(58.1% 0.163 259.8);
Tailwind
colors: {
  custom: {
    50: '#859de5',
    500: '#3b77d9',
    950: '#000000',
  },
}
SCSS
$custom: #3b77d9;
$custom-light: #859de5;
$custom-dark: #000000;
JSON
{
  "hex": "#3b77d9",
  "rgb": {
    "r": 59,
    "g": 119,
    "b": 217
  },
  "hsl": {
    "h": 217.215,
    "s": 67.521,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5805,
    "c": 0.16277,
    "h": 259.8
  },
  "luminance": 0.19133
}

Semantic roles & 50–950 ramp

primary
#3B77D9
secondary
#DAC096
accent
#A93DEA
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3B77D9

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

Preview Lab → · Contrast checker → · Palette generator →

#3B77D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva