#399ED1#399ED1

#399ED1 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.3% C 0.118 H 234.9°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX#399ED1
RGBrgb(57, 158, 209)
HSLhsl(200, 62%, 52%)
HSVhsv(200, 73%, 82%)
CMYKcmyk(72.7%, 24.4%, 0%, 18%)
CIE-LABlab(61.59, -12.30, -34.41)
CIE-LCHlch(61.59, 36.54, 250.33°)
OKLaboklab(66.33% -0.0682 -0.0969)
OKLCHoklch(66.33% 0.118 234.9)
XYZxyz(25.4183, 29.9241, 64.7455)
Luminance0.2993 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399ED1 #D16C39
analogous
#39D1B8 #399ED1 #3952D1
triadic
#399ED1 #D1399E #9ED139
tetradic
#399ED1 #B839D1 #D16C39 #52D139
square
#399ED1 #B839D1 #D16C39 #52D139
split-complementary
#399ED1 #D13952 #D1B839
monochromatic
#1B5775 #277BA6 #399ED1 #6BB6DD #9CCFE8

Accessibility & contrast

On white

3.01
#399ED1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.99
#399ED1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399ED1
6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399ED1#FFFFFF#000000##000000
##399ED11.003.016.996.99
#FFFFFF3.011.0021.0021.00
#0000006.9921.001.001.00
##0000006.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#859DD3
Deuteranopia (green-blind)
#718ED0
Tritanopia (blue-blind)
#00ABAF
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #399ed1;
/* rgb */ color: rgb(57, 158, 209);
/* oklch */ color: oklch(66.3% 0.118 234.9);
Tailwind
colors: {
  custom: {
    50: '#83badf',
    500: '#399ed1',
    950: '#000000',
  },
}
SCSS
$custom: #399ed1;
$custom-light: #83badf;
$custom-dark: #000000;
JSON
{
  "hex": "#399ed1",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 209
  },
  "hsl": {
    "h": 200.132,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.66332,
    "c": 0.11848,
    "h": 234.9
  },
  "luminance": 0.29927
}

Semantic roles & 50–950 ramp

primary
#399ED1
secondary
#D4A892
accent
#7942E5
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #399ED1

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

Preview Lab → · Contrast checker → · Palette generator →

#399ED1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva