#3677C8#3677C8

#3677C8 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.8% C 0.142 H 255.4°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#3677C8
RGBrgb(54, 119, 200)
HSLhsl(213, 57%, 50%)
HSVhsv(213, 73%, 78%)
CMYKcmyk(73%, 40.5%, 0%, 21.6%)
CIE-LABlab(49.67, 6.90, -48.11)
CIE-LCHlch(49.67, 48.60, 278.16°)
OKLaboklab(56.78% -0.0357 -0.1373)
OKLCHoklch(56.78% 0.142 255.4)
XYZxyz(18.5396, 18.1460, 57.1578)
Luminance0.1815 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3677C8 #C88736
analogous
#36C0C8 #3677C8 #3E36C8
triadic
#3677C8 #C83677 #77C836
tetradic
#3677C8 #C836C0 #C88736 #36C83E
square
#3677C8 #C836C0 #C88736 #36C83E
split-complementary
#3677C8 #C83E36 #C0C836
monochromatic
#1C3E68 #295A98 #3677C8 #6697D6 #96B8E3

Accessibility & contrast

On white

4.54
#3677C8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#3677C8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3677C8
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3677C8#FFFFFF#000000##000000
##3677C81.004.544.634.63
#FFFFFF4.541.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#517DCB
Deuteranopia (green-blind)
#3970C6
Tritanopia (blue-blind)
#008A96
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3677c8;
/* rgb */ color: rgb(54, 119, 200);
/* oklch */ color: oklch(56.8% 0.142 255.4);
Tailwind
colors: {
  custom: {
    50: '#7f9dd9',
    500: '#3677c8',
    950: '#000000',
  },
}
SCSS
$custom: #3677c8;
$custom-light: #7f9dd9;
$custom-dark: #000000;
JSON
{
  "hex": "#3677c8",
  "rgb": {
    "r": 54,
    "g": 119,
    "b": 200
  },
  "hsl": {
    "h": 213.288,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56777,
    "c": 0.14191,
    "h": 255.4
  },
  "luminance": 0.18148
}

Semantic roles & 50–950 ramp

primary
#3677C8
secondary
#CEB18C
accent
#9C47E1
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0B0E15
muted
#7C7E83

Preview Lab

Preview with #3677C8

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

Preview Lab → · Contrast checker → · Palette generator →

#3677C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva