#3673B8#3673B8

#3673B8 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.125 H 253.4°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#3673B8
RGBrgb(54, 115, 184)
HSLhsl(212, 55%, 47%)
HSVhsv(212, 71%, 72%)
CMYKcmyk(70.7%, 37.5%, 0%, 27.8%)
CIE-LABlab(47.63, 3.53, -42.15)
CIE-LCHlch(47.63, 42.30, 274.79°)
OKLaboklab(54.9% -0.0357 -0.1199)
OKLCHoklch(54.9% 0.125 253.4)
XYZxyz(16.3006, 16.5047, 47.6648)
Luminance0.1651 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3673B8 #B87B36
analogous
#36B4B8 #3673B8 #3A36B8
triadic
#3673B8 #B83673 #73B836
tetradic
#3673B8 #B836B4 #B87B36 #36B83A
square
#3673B8 #B836B4 #B87B36 #36B83A
split-complementary
#3673B8 #B83A36 #B4B836
monochromatic
#1A3859 #285589 #3673B8 #5C92CF #8BB2DD

Accessibility & contrast

On white

4.88
#3673B8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.30
#3673B8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3673B8
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3673B8#FFFFFF#000000##FFFFFF
##3673B81.004.884.304.88
#FFFFFF4.881.0021.001.00
#0000004.3021.001.0021.00
##FFFFFF4.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5478BB
Deuteranopia (green-blind)
#406BB7
Tritanopia (blue-blind)
#00838D
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3673b8;
/* rgb */ color: rgb(54, 115, 184);
/* oklch */ color: oklch(54.9% 0.125 253.4);
Tailwind
colors: {
  custom: {
    50: '#7c9acd',
    500: '#3673b8',
    950: '#000000',
  },
}
SCSS
$custom: #3673b8;
$custom-light: #7c9acd;
$custom-dark: #000000;
JSON
{
  "hex": "#3673b8",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 184
  },
  "hsl": {
    "h": 211.846,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54897,
    "c": 0.12516,
    "h": 253.4
  },
  "luminance": 0.16506
}

Semantic roles & 50–950 ramp

primary
#3673B8
secondary
#C7A782
accent
#984ADE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3673B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3673B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva