#337DAE#337DAE

#337DAE is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.105 H 241.2°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#337DAE
RGBrgb(51, 125, 174)
HSLhsl(204, 55%, 44%)
HSVhsv(204, 71%, 68%)
CMYKcmyk(70.7%, 28.2%, 0%, 31.8%)
CIE-LABlab(50.01, -6.52, -32.62)
CIE-LCHlch(50.01, 33.27, 258.70°)
OKLaboklab(56.58% -0.0505 -0.0921)
OKLCHoklch(56.58% 0.105 241.2)
XYZxyz(16.3359, 18.4252, 42.7317)
Luminance0.1843 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#337DAE #AE6433
analogous
#33AEA2 #337DAE #3340AE
triadic
#337DAE #AE337D #7DAE33
tetradic
#337DAE #A233AE #AE6433 #40AE33
square
#337DAE #A233AE #AE6433 #40AE33
split-complementary
#337DAE #AE3340 #AEA233
monochromatic
#17394F #255B7F #337DAE #529CCC #81B7DA

Accessibility & contrast

On white

4.48
#337DAE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.69
#337DAE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337DAE
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##337DAE#FFFFFF#000000##000000
##337DAE1.004.484.694.69
#FFFFFF4.481.0021.0021.00
#0000004.6921.001.001.00
##0000004.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#667EB0
Deuteranopia (green-blind)
#5672AD
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #337dae;
/* rgb */ color: rgb(51, 125, 174);
/* oklch */ color: oklch(56.6% 0.105 241.2);
Tailwind
colors: {
  custom: {
    50: '#7aa2c6',
    500: '#337dae',
    950: '#000000',
  },
}
SCSS
$custom: #337dae;
$custom-light: #7aa2c6;
$custom-dark: #000000;
JSON
{
  "hex": "#337dae",
  "rgb": {
    "r": 51,
    "g": 125,
    "b": 174
  },
  "hsl": {
    "h": 203.902,
    "s": 54.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56576,
    "c": 0.10503,
    "h": 241.2
  },
  "luminance": 0.18427
}

Semantic roles & 50–950 ramp

primary
#337DAE
secondary
#C39779
accent
#854ADE
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0F13
muted
#7C7E82

Preview Lab

Preview with #337DAE

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

Preview Lab → · Contrast checker → · Palette generator →

#337DAE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva