#337ADC#337ADC

#337ADC is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.6% C 0.166 H 257.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#337ADC
RGBrgb(51, 122, 220)
HSLhsl(215, 71%, 53%)
HSVhsv(215, 77%, 86%)
CMYKcmyk(76.8%, 44.5%, 0%, 13.7%)
CIE-LABlab(51.60, 12.05, -56.39)
CIE-LCHlch(51.60, 57.67, 282.06°)
OKLaboklab(58.62% -0.0361 -0.1617)
OKLCHoklch(58.62% 0.166 257.4)
XYZxyz(21.2383, 19.7877, 70.3963)
Luminance0.1979 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#337ADC #DC9533
analogous
#33CEDC #337ADC #4033DC
triadic
#337ADC #DC337A #7ADC33
tetradic
#337ADC #DC33CE #DC9533 #33DC40
square
#337ADC #DC33CE #DC9533 #33DC40
split-complementary
#337ADC #DC4033 #CEDC33
monochromatic
#16427F #1F5DB3 #337ADC #679CE5 #9BBEEE

Accessibility & contrast

On white

4.24
#337ADC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.96
#337ADC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337ADC
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##337ADC#FFFFFF#000000##000000
##337ADC1.004.244.964.96
#FFFFFF4.241.0021.0021.00
#0000004.9621.001.001.00
##0000004.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#4783E0
Deuteranopia (green-blind)
#2374DA
Tritanopia (blue-blind)
#0091A0
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #337adc;
/* rgb */ color: rgb(51, 122, 220);
/* oklch */ color: oklch(58.6% 0.166 257.4);
Tailwind
colors: {
  custom: {
    50: '#829fe7',
    500: '#337adc',
    950: '#000000',
  },
}
SCSS
$custom: #337adc;
$custom-light: #829fe7;
$custom-dark: #000000;
JSON
{
  "hex": "#337adc",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 220
  },
  "hsl": {
    "h": 214.793,
    "s": 70.711,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58619,
    "c": 0.16566,
    "h": 257.4
  },
  "luminance": 0.1979
}

Semantic roles & 50–950 ramp

primary
#337ADC
secondary
#DABB91
accent
#A23AED
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #337ADC

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

Preview Lab → · Contrast checker → · Palette generator →

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