#339AB1#339AB1

#339AB1 is a light, moderate cyan. Relative luminance 0.270; OKLCH L 63.8% C 0.098 H 215.8°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX#339AB1
RGBrgb(51, 154, 177)
HSLhsl(191, 55%, 45%)
HSVhsv(191, 71%, 69%)
CMYKcmyk(71.2%, 13%, 0%, 30.6%)
CIE-LABlab(58.96, -21.55, -20.49)
CIE-LCHlch(58.96, 29.74, 223.57°)
OKLaboklab(63.77% -0.0791 -0.0571)
OKLCHoklch(63.77% 0.098 215.8)
XYZxyz(20.8533, 26.9869, 45.6964)
Luminance0.2699 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#339AB1 #B14A33
analogous
#33B189 #339AB1 #335BB1
triadic
#339AB1 #B1339A #9AB133
tetradic
#339AB1 #8933B1 #B14A33 #5BB133
square
#339AB1 #8933B1 #B14A33 #5BB133
split-complementary
#339AB1 #B1335B #B18933
monochromatic
#184752 #257181 #339AB1 #54B7CE #83CBDB

Accessibility & contrast

On white

3.28
#339AB1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.40
#339AB1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #339AB1
6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##339AB1#FFFFFF#000000##000000
##339AB11.003.286.406.40
#FFFFFF3.281.0021.0021.00
#0000006.4021.001.001.00
##0000006.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A95B2
Deuteranopia (green-blind)
#7988B1
Tritanopia (blue-blind)
#00A2A1
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #339ab1;
/* rgb */ color: rgb(51, 154, 177);
/* oklch */ color: oklch(63.8% 0.098 215.8);
Tailwind
colors: {
  custom: {
    50: '#7cb8c8',
    500: '#339ab1',
    950: '#000000',
  },
}
SCSS
$custom: #339ab1;
$custom-light: #7cb8c8;
$custom-dark: #000000;
JSON
{
  "hex": "#339ab1",
  "rgb": {
    "r": 51,
    "g": 154,
    "b": 177
  },
  "hsl": {
    "h": 190.952,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.63767,
    "c": 0.09756,
    "h": 215.8
  },
  "luminance": 0.26989
}

Semantic roles & 50–950 ramp

primary
#339AB1
secondary
#C5897B
accent
#6449DF
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #339AB1

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

Preview Lab → · Contrast checker → · Palette generator →

#339AB1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva