#3F76CE#3F76CE

#3F76CE is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.3% C 0.148 H 259.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#3F76CE
RGBrgb(63, 118, 206)
HSLhsl(217, 59%, 53%)
HSVhsv(217, 69%, 81%)
CMYKcmyk(69.4%, 42.7%, 0%, 19.2%)
CIE-LABlab(50.06, 10.99, -50.90)
CIE-LCHlch(50.06, 52.07, 282.18°)
OKLaboklab(57.28% -0.0272 -0.1454)
OKLCHoklch(57.28% 0.148 259.4)
XYZxyz(19.6649, 18.4678, 60.9088)
Luminance0.1847 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F76CE #CE973F
analogous
#3FBDCE #3F76CE #4F3FCE
triadic
#3F76CE #CE3F76 #76CE3F
tetradic
#3F76CE #CE3FBD #CE973F #3FCE4F
square
#3F76CE #CE3FBD #CE973F #3FCE4F
split-complementary
#3F76CE #CE4F3F #BDCE3F
monochromatic
#1E3F75 #2A5AA6 #3F76CE #7099DA #A1BCE7

Accessibility & contrast

On white

4.47
#3F76CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.69
#3F76CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F76CE
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F76CE#FFFFFF#000000##000000
##3F76CE1.004.474.694.69
#FFFFFF4.471.0021.0021.00
#0000004.6921.001.001.00
##0000004.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#4C7ED1
Deuteranopia (green-blind)
#3371CC
Tritanopia (blue-blind)
#008A98
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3f76ce;
/* rgb */ color: rgb(63, 118, 206);
/* oklch */ color: oklch(57.3% 0.148 259.4);
Tailwind
colors: {
  custom: {
    50: '#849ddd',
    500: '#3f76ce',
    950: '#000000',
  },
}
SCSS
$custom: #3f76ce;
$custom-light: #849ddd;
$custom-dark: #000000;
JSON
{
  "hex": "#3f76ce",
  "rgb": {
    "r": 63,
    "g": 118,
    "b": 206
  },
  "hsl": {
    "h": 216.923,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57278,
    "c": 0.14795,
    "h": 259.4
  },
  "luminance": 0.1847
}

Semantic roles & 50–950 ramp

primary
#3F76CE
secondary
#D3BC95
accent
#A645E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3F76CE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F76CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva