#3677D1#3677D1

#3677D1 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.3% C 0.154 H 257.3°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#3677D1
RGBrgb(54, 119, 209)
HSLhsl(215, 63%, 52%)
HSVhsv(215, 74%, 82%)
CMYKcmyk(74.2%, 43.1%, 0%, 18%)
CIE-LABlab(50.19, 10.21, -52.41)
CIE-LCHlch(50.19, 53.40, 281.02°)
OKLaboklab(57.35% -0.0338 -0.15)
OKLCHoklch(57.35% 0.154 257.3)
XYZxyz(19.6226, 18.5792, 62.8612)
Luminance0.1858 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3677D1 #D19036
analogous
#36C4D1 #3677D1 #4336D1
triadic
#3677D1 #D13677 #77D136
tetradic
#3677D1 #D136C4 #D19036 #36D143
square
#3677D1 #D136C4 #D19036 #36D143
split-complementary
#3677D1 #D14336 #C4D136
monochromatic
#1A3F72 #265BA4 #3677D1 #6899DC #9ABAE8

Accessibility & contrast

On white

4.45
#3677D1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.72
#3677D1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3677D1
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3677D1#FFFFFF#000000##000000
##3677D11.004.454.724.72
#FFFFFF4.451.0021.0021.00
#0000004.7221.001.001.00
##0000004.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#4A7FD4
Deuteranopia (green-blind)
#2E71CF
Tritanopia (blue-blind)
#008C9A
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3677d1;
/* rgb */ color: rgb(54, 119, 209);
/* oklch */ color: oklch(57.3% 0.154 257.3);
Tailwind
colors: {
  custom: {
    50: '#819ddf',
    500: '#3677d1',
    950: '#000000',
  },
}
SCSS
$custom: #3677d1;
$custom-light: #819ddf;
$custom-dark: #000000;
JSON
{
  "hex": "#3677d1",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 209
  },
  "hsl": {
    "h": 214.839,
    "s": 62.753,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57347,
    "c": 0.15375,
    "h": 257.3
  },
  "luminance": 0.18581
}

Semantic roles & 50–950 ramp

primary
#3677D1
secondary
#D3B78F
accent
#A142E6
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3677D1

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

Preview Lab → · Contrast checker → · Palette generator →

#3677D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva