#3F76D3#3F76D3

#3F76D3 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.6% C 0.155 H 260.2°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#3F76D3
RGBrgb(63, 118, 211)
HSLhsl(218, 63%, 54%)
HSVhsv(218, 70%, 83%)
CMYKcmyk(70.1%, 44.1%, 0%, 17.3%)
CIE-LABlab(50.35, 12.79, -53.27)
CIE-LCHlch(50.35, 54.79, 283.50°)
OKLaboklab(57.6% -0.0262 -0.1524)
OKLCHoklch(57.6% 0.155 260.2)
XYZxyz(20.2820, 18.7146, 64.1588)
Luminance0.1872 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F76D3 #D39C3F
analogous
#3FC0D3 #3F76D3 #523FD3
triadic
#3F76D3 #D33F76 #76D33F
tetradic
#3F76D3 #D33FC0 #D39C3F #3FD352
square
#3F76D3 #D33FC0 #D39C3F #3FD352
split-complementary
#3F76D3 #D3523F #C0D33F
monochromatic
#1C407B #2859AD #3F76D3 #719ADE #A3BDEA

Accessibility & contrast

On white

4.43
#3F76D3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.74
#3F76D3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F76D3
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F76D3#FFFFFF#000000##000000
##3F76D31.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#487FD7
Deuteranopia (green-blind)
#2C71D1
Tritanopia (blue-blind)
#008C9A
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3f76d3;
/* rgb */ color: rgb(63, 118, 211);
/* oklch */ color: oklch(57.6% 0.155 260.2);
Tailwind
colors: {
  custom: {
    50: '#859ce1',
    500: '#3f76d3',
    950: '#000000',
  },
}
SCSS
$custom: #3f76d3;
$custom-light: #859ce1;
$custom-dark: #000000;
JSON
{
  "hex": "#3f76d3",
  "rgb": {
    "r": 63,
    "g": 118,
    "b": 211
  },
  "hsl": {
    "h": 217.703,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.57599,
    "c": 0.15465,
    "h": 260.2
  },
  "luminance": 0.18717
}

Semantic roles & 50–950 ramp

primary
#3F76D3
secondary
#D7BF97
accent
#A942E6
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3F76D3

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

Preview Lab → · Contrast checker → · Palette generator →

#3F76D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva