#3677D5#3677D5

#3677D5 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.159 H 258.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#3677D5
RGBrgb(54, 119, 213)
HSLhsl(215, 65%, 52%)
HSVhsv(215, 75%, 84%)
CMYKcmyk(74.6%, 44.1%, 0%, 16.5%)
CIE-LABlab(50.43, 11.68, -54.30)
CIE-LCHlch(50.43, 55.54, 282.14°)
OKLaboklab(57.61% -0.033 -0.1555)
OKLCHoklch(57.61% 0.159 258)
XYZxyz(20.1240, 18.7797, 65.5021)
Luminance0.1878 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3677D5 #D59436
analogous
#36C6D5 #3677D5 #4536D5
triadic
#3677D5 #D53677 #77D536
tetradic
#3677D5 #D536C6 #D59436 #36D545
square
#3677D5 #D536C6 #D59436 #36D545
split-complementary
#3677D5 #D54536 #C6D536
monochromatic
#194078 #245BAA #3677D5 #6999E0 #9BBCEA

Accessibility & contrast

On white

4.42
#3677D5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#3677D5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3677D5
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3677D5#FFFFFF#000000##000000
##3677D51.004.424.764.76
#FFFFFF4.421.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#4780D9
Deuteranopia (green-blind)
#2771D3
Tritanopia (blue-blind)
#008D9B
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3677d5;
/* rgb */ color: rgb(54, 119, 213);
/* oklch */ color: oklch(57.6% 0.159 258.0);
Tailwind
colors: {
  custom: {
    50: '#829de2',
    500: '#3677d5',
    950: '#000000',
  },
}
SCSS
$custom: #3677d5;
$custom-light: #829de2;
$custom-dark: #000000;
JSON
{
  "hex": "#3677d5",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 213
  },
  "hsl": {
    "h": 215.472,
    "s": 65.432,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57607,
    "c": 0.15902,
    "h": 258
  },
  "luminance": 0.18782
}

Semantic roles & 50–950 ramp

primary
#3677D5
secondary
#D6BA91
accent
#A33FE8
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3677D5

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

Preview Lab → · Contrast checker → · Palette generator →

#3677D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva