#399FBD#399FBD

#399FBD is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.7% C 0.102 H 221.2°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).

Color values

HEX#399FBD
RGBrgb(57, 159, 189)
HSLhsl(194, 54%, 48%)
HSVhsv(194, 70%, 74%)
CMYKcmyk(69.8%, 15.9%, 0%, 25.9%)
CIE-LABlab(61.08, -19.46, -24.01)
CIE-LCHlch(61.08, 30.90, 230.98°)
OKLaboklab(65.66% -0.0765 -0.067)
OKLCHoklch(65.66% 0.102 221.2)
XYZxyz(23.2670, 29.3376, 52.5707)
Luminance0.2934 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399FBD #BD5739
analogous
#39BD99 #399FBD #395DBD
triadic
#399FBD #BD399F #9FBD39
tetradic
#399FBD #9939BD #BD5739 #5DBD39
square
#399FBD #9939BD #BD5739 #5DBD39
split-complementary
#399FBD #BD395D #BD9939
monochromatic
#1D505F #2B778E #399FBD #63B7D0 #92CDDE

Accessibility & contrast

On white

3.06
#399FBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.87
#399FBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399FBD
6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399FBD#FFFFFF#000000##000000
##399FBD1.003.066.876.87
#FFFFFF3.061.0021.0021.00
#0000006.8721.001.001.00
##0000006.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9BBF
Deuteranopia (green-blind)
#7B8EBD
Tritanopia (blue-blind)
#00A9A9
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #399fbd;
/* rgb */ color: rgb(57, 159, 189);
/* oklch */ color: oklch(65.7% 0.102 221.2);
Tailwind
colors: {
  custom: {
    50: '#80bbd1',
    500: '#399fbd',
    950: '#000000',
  },
}
SCSS
$custom: #399fbd;
$custom-light: #80bbd1;
$custom-dark: #000000;
JSON
{
  "hex": "#399fbd",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 189
  },
  "hsl": {
    "h": 193.636,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65658,
    "c": 0.1017,
    "h": 221.2
  },
  "luminance": 0.2934
}

Semantic roles & 50–950 ramp

primary
#399FBD
secondary
#C99789
accent
#6C4BDD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #399FBD

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

Preview Lab → · Contrast checker → · Palette generator →

#399FBD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva